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Date: Sat, 01 May 1999 18:48:16 +0000
From: Alan Hoyt <neuroinc@unidial.com>
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To: Charles Lepple <clepple@foo.tho.org>,
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Subject: Re: Indigo2 port status?
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Charles Lepple wrote:

> Ok, so does anyone know what happened to the Indigo2 porting project? I
> tried to get in touch with someone at UAB but to no avail.
>
> Sorry to bother the rest of you...
>
> --
> Charles Lepple
> System Administrator, Virginia Tech EE Workstation Labs
> clepple@ee.vt.edu || http://www.foo.tho.org/charles/

I don't know what's going on with UAB - but I just started working on a
port to the Indigo2 this April after receiving some hardware specs.
Needless to say with school and work, progress is a tad bit slow.
Hopefully, once finals are behind me - I can focus more energy on the
task.

Alan Hoyt


From owner-linux@cthulhu.engr.sgi.com  Sat May  1 12:44:33 1999
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Subject: Yet closer
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Hi all, 

I have SGI-Linux up on my headless Indy R5000, but I stupidly forgot
to "change setup-1.9.1-2.noarch.rpm to add some securetty's so that
you can log in over the network as root.", so I can't get in.  I tried
all the recent kernels to see if one had a serial console, but no
luck.

Is there a kernel around that has a serial console enabled so I can fix
my situation or do I have to re-install?

Any suggestions as to other ways to get in and add securetty's?

In any event, what do I need to do to "change setup-1.9.1-2.noarch.rpm
to add some securetty's"?



--jeff

From owner-linux@cthulhu.engr.sgi.com  Sat May  1 14:13:43 1999
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Date: Sat, 1 May 1999 17:11:49 -0400 (EDT)
From: Alex deVries <adevries@engsoc.carleton.ca>
To: Alan Hoyt <neuroinc@unidial.com>
cc: Charles Lepple <clepple@foo.tho.org>,
        Linux SGI <linux@cthulhu.engr.sgi.com>
Subject: Re: Indigo2 port status?
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On Sat, 1 May 1999, Alan Hoyt wrote:
> 
> I don't know what's going on with UAB - but I just started working on a
> port to the Indigo2 this April after receiving some hardware specs.

Where'd you receive hardware specs from?

- Alex


From owner-linux@cthulhu.engr.sgi.com  Sat May  1 14:55:38 1999
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Subject: Re: Yet closer
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On Sat, May 01, 1999 at 12:39:44PM -0700, jcoffin@sv.usweb.com wrote:

> I have SGI-Linux up on my headless Indy R5000, but I stupidly forgot to
> "change setup-1.9.1-2.noarch.rpm to add some securetty's so that you can
> log in over the network as root.", so I can't get in.  I tried all the
> recent kernels to see if one had a serial console, but no luck.
> 
> Is there a kernel around that has a serial console enabled so I can fix my
> situation or do I have to re-install?
> 
> Any suggestions as to other ways to get in and add securetty's?
> 
> In any event, what do I need to do to "change setup-1.9.1-2.noarch.rpm to
> add some securetty's"?

When booting the kernel pass the additional argument init=/bin/sh.  You'll
end up in a single user shell, can remount your root fs r/w and fix things.

The whole securetty thing has become a senseless annoyance since the
introduction of pseudo terminals and more fine grained mechanisms for
controlling access from networks.

  Ralf

From owner-linux@cthulhu.engr.sgi.com  Sat May  1 16:33:33 1999
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Date: Sat, 01 May 1999 23:04:28 +0000
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To: Alex deVries <adevries@engsoc.carleton.ca>
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        Linux SGI <linux@cthulhu.engr.sgi.com>
Subject: Re: Indigo2 port status?
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Alex deVries wrote:

> On Sat, 1 May 1999, Alan Hoyt wrote:
> >
> > I don't know what's going on with UAB - but I just started working on a
> > port to the Indigo2 this April after receiving some hardware specs.
>
> Where'd you receive hardware specs from?
>
> - Alex

>From Ariel Faigon - who was kind enough to provide detailed specs. for the
Indy.  Bill Earl stated that the two systems [indy and indigo2] were very
similar but that he has not had the time to locate any additional
documentation (where Indigo2 differs from Indy).  Sorry for the ambiguity.

 - Alan Hoyt -


From owner-linux@cthulhu.engr.sgi.com  Sat May  1 16:35:25 1999
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To: ulfc@thepuffingroup.com
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Subject: RE: Yet Closer
From: Jeff Coffin <jcoffin@sv.usweb.com>
Date: 01 May 1999 16:40:54 -0700
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> Don't you see anything at all, or does it hang after freeing PROM
> memory? There was a problem with the PROM memory freeing on newer
> PROM's, which Thomas recently solved. I don't think he has uploaded
> a new kernel since then..

>  I can probably upload a new one if this is your problem. 

I think it's something else.  Here's what I get (this is from ralf's
suggestion, didn't quite work for me) :


>> boot vmlinux root=/dev/sdb1 init=/bin/sh
115360+19584+3136+334528+42744d+4248+6368 entry: 0x8bfa8850
ARCH: SGI-IP22
PROMLIB: SGI ARCS firmware Version 1 Revision 10
PROMLIB: Total free ram 65839104 bytes (64296K,62MB)
CPU: MIPS-R5000 FPU<MIPS-R5000FPC> ICACHE DCACHE SCACHE
Loading R4000 MMU routines.
CPU revision is: 00002310
Primary instruction cache 32kb, linesize 32 bytes)
Primary data cache 32kb, linesize 32 bytes)
Linux version 2.2.1 (tsbogend@james.franken.de) (gcc version 2.7.2.3) #519 Mon 9
MC: SGI memory controller Revision 3
R4600/R5000 SCACHE size 512K, linesize 32 bytes.
calculating r4koff... 000dbd55(900437)
zs0: console input
Console: ttyS0 (Zilog8530)
Calibrating delay loop... 179.81 BogoMIPS
Memory: 60908k/196140k available (1172k kernel code, 2208k data)
Checking for 'wait' instruction...  available.                                  POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.2
Based upon Swansea University Computer Society NET3.039
NET4: Unix domain sockets 1.0 for Linux NET4.0.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
Starting kswapd v 1.5
initialize_kbd: Keyboard reset failed, no ACK
SGI Zilog8530 serial driver version 1.00
Keyboard timeout[2]
Keyboard timeout[2]
tty00 at 0xbfbd9830 (irq = 21) is a Zilog8530
tty01 at 0xbfbd9838 (irq = 21) is a Zilog8530
pty: 256 Unix98 ptys configured
DS1286 Real Time Clock Driver v1.0
streamable misc devices registered (keyb:150, gfx:148)
RAM disk driver initialized:  16 RAM disks of 4096K size
wd33c93-0: chip=WD33c93B/13 no_sync=0xff no_dma=0 debug_flags=0x00
           setup_args=,,,,,,,,,
           Version 1.25 - 09/Jul/1997, Compiled Mar 29 1999 at 01:13:15
scsi0 : SGI WD93
scsi : 1 host.                                                                  sending SDTR 0103013f0csync_xfer=2c  Vendor: SGI       Model: IBM DORS-32160  D
  Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, channel 0, id 2, lun 0
 sending SDTR 0103013f0csync_xfer=2c  Vendor: SEAGATE   Model: ST31055N        2
  Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sdb at scsi0, channel 0, id 3, lun 0
scsi : detected 2 SCSI disks total.
SCSI device sda: hdwr sector= 512 bytes. Sectors= 4197405 [2049 MB] [2.0 GB]
SCSI device sdb: hdwr sector= 512 bytes. Sectors= 2069860 [1010 MB] [1.0 GB]
sgiseeq.c: David S. Miller (dm@engr.sgi.com)
eth0: SGI Seeq8003 08:00:69:0a:43:7c
Sending BOOTP requests.... OK
IP-Config: Got BOOTP answer from 192.168.254.20, my address is 192.168.254.30
Partition check:
 sda: sda1 sda2 sda3 sda4
 sdb: sdb1 sdb2 sdb3 sdb4
VFS: Mounted root (ext2 filesystem) readonly.
Freeing prom memory: 0k freed
Freeing unused kernel memory: 52k freed
Warning: unable to open an initial console.

 
--jeff

From owner-linux@cthulhu.engr.sgi.com  Sat May  1 17:29:12 1999
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Date: Sun, 2 May 1999 02:14:49 +0200
From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Jeff Coffin <jcoffin@sv.usweb.com>
Cc: linux@cthulhu.engr.sgi.com
Subject: Re: Yet Closer
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On Sat, May 01, 1999 at 04:40:54PM -0700, Jeff Coffin wrote:
> I think it's something else.  Here's what I get (this is from ralf's
> suggestion, didn't quite work for me) :
[..]
> Freeing prom memory: 0k freed
> Freeing unused kernel memory: 52k freed
> Warning: unable to open an initial console.

Your /dev/console points to major 4 and minor 0 (5,1 is the correct one).
Try the vmlinux-initrd kernel from the test directory. It should drop
you into a single user shell with a ram disk as root. You should be able
to mount your root, and fix what's necessary.

Thomas.

-- 
   This device has completely bogus header. Compaq scores again :-|
It's a host bridge, but it should be called ghost bridge instead ;^)
                                        [Martin `MJ' Mares on linux-kernel]

From owner-linux@cthulhu.engr.sgi.com  Sat May  1 19:06:30 1999
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Date: Sat, 1 May 1999 21:03:38 -0500 (CDT)
From: "Andrew R. Baker" <andrewb@uab.edu>
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Subject: Re: Indigo2 port status?
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On Sat, 1 May 1999, Alan Hoyt wrote:
> 
> I don't know what's going on with UAB - but I just started working on a
> port to the Indigo2 this April after receiving some hardware specs.
> Needless to say with school and work, progress is a tad bit slow.
> Hopefully, once finals are behind me - I can focus more energy on the
> task.
> 
> Alan Hoyt

Well, here at UAB, I have an Indigo2 booting the kernel, mounting root
over NFS, and crashing.  All this is done with very few changes to the
source.  I am putting together a set of patches currently.  I'll post here
when they are ready.  I don't have submit access to the CVS tree so I
won't be able to put them there.  I would like some people to make sure
the patches don't break the Indy ;)  

Also, what is a good way of getting the boot messages to print via the
prom commands?  Currently I have a hacked up printk to do this, but would
like something cleaner.  Would it be feasible to write a prom console?  It
might make it easier to work on boxes without any sort of graphics support
available yet...

-Andrew


From owner-linux@cthulhu.engr.sgi.com  Sat May  1 21:06:37 1999
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To: tsbogend@alpha.franken.de
CC: linux@cthulhu.engr.sgi.com
Subject: RE: Yet Closer
From: Jeff Coffin <jcoffin@sv.usweb.com>
Date: 01 May 1999 21:10:55 -0700
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>  Try the vmlinux-initrd kernel from the test directory. It should drop 
>  you into a single user shell with a ram disk as root. You should be able 
>  to mount your root, and fix what's necessary. 

Almost.  I get to the prompt, but it doesn't appear to respond to
keyboard stimulii.  

[...]
RAMDISK: Compressed image found at block 0
VFS: Mounted root (ext2 filesystem).
Welcome to Linux/MIPS
# 


I tried feeding it an assortment of console args too:

/dev/ttyS0
/dev/ttyS1
/dev/tty00
/dev/tty01

Any ideas?


--jeff


From owner-linux@cthulhu.engr.sgi.com  Sun May  2 03:21:37 1999
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Date: Sun, 02 May 1999 12:24:41 +0200
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jcoffin@sv.usweb.com wrote:

>
> In any event, what do I need to do to "change setup-1.9.1-2.noarch.rpm
> to add some securetty's"?
>
>

/etc/securetty

add:

ttyp0
ttyp1
ttyp2
etc.

Richard



From owner-linux@cthulhu.engr.sgi.com  Sun May  2 09:26:06 1999
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From: "Andrew R. Baker" <andrewb@uab.edu>
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  This message is in MIME format.  The first part should be readable text,
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OK, since this is my first time making a patch I am not sure I got
everything quite right.  This will let people with an Indigo2 actually
boot into Linux.  However, they probably won't be able to do much
thereafter (I get the kernel to die while doing a 'cat README' in the root
directory).  Unfortunately, this won't print the console boot messages to
the screen either.  To do this, I replaced the printk code in
kernel/printk.c with the printf code in arch/mips/arc/printf.c.  I'm sure
there is a better way, but I haven't found it yet.  These were made
against the yesterday's (1999.05.01) version of the CVS tree. 

-Andrew

P.S.  It would be nice to get someone to make sure this doesn't break
anything on the Indy.  I don't have one to test things on.
 

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--445303055-1485092934-925662294=:14447--

From owner-linux@cthulhu.engr.sgi.com  Sun May  2 11:55:37 1999
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From: Ulf Carlsson <ulfc@thepuffingroup.com>
To: "Andrew R. Baker" <andrewb@uab.edu>
Cc: Linux SGI <linux@cthulhu.engr.sgi.com>
Subject: Re: Indigo2 patch
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> OK, since this is my first time making a patch I am not sure I got
> everything quite right.  This will let people with an Indigo2 actually
> boot into Linux.  However, they probably won't be able to do much

Cool!

> thereafter (I get the kernel to die while doing a 'cat README' in the root
> directory).  Unfortunately, this won't print the console boot messages to
> the screen either.  To do this, I replaced the printk code in
> kernel/printk.c with the printf code in arch/mips/arc/printf.c.  I'm sure
> there is a better way, but I haven't found it yet.  These were made

Yes, there's a better way. A PROM console can be implemented. I have hacked some
code for this PROM console for this purpose. I can't get it to open the initial
console though. I'll send it to you, maybe you have time to figure out what's
wrong...

> -LINKFLAGS	= -static -N
> +# having -N in LINKFLAGS causes my Indigo2 not to boot
> +LINKFLAGS	= -static

This is a problem with the cross linker and not with the kernel itself, it's the
same for Indy's. The code in the CVS tree should remain as it is.

- Ulf

From owner-linux@cthulhu.engr.sgi.com  Sun May  2 18:36:19 1999
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On Sun, 2 May 1999, Ulf Carlsson wrote:
> Yes, there's a better way. A PROM console can be implemented. I have hacked some
> code for this PROM console for this purpose. I can't get it to open the initial
> console though. I'll send it to you, maybe you have time to figure out what's
> wrong...

Great, most of the work has already been done for me. ;)  This is what I
had thought about, I just hadn't tried to figure out where to start yet.
A PROM console would probably be a help on any of the SGIs until some sort
of graphics support is worked out.  

> > -LINKFLAGS	= -static -N
> > +# having -N in LINKFLAGS causes my Indigo2 not to boot
> > +LINKFLAGS	= -static
> 
> This is a problem with the cross linker and not with the kernel itself, it's the
> same for Indy's. The code in the CVS tree should remain as it is.

Any chance on getting the cross linker fixed?

-Andrew


From owner-linux@cthulhu.engr.sgi.com  Sun May  2 19:14:17 1999
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Date: Mon, 03 May 1999 02:10:48 +0000
From: Charles Lepple <clepple@foo.tho.org>
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To: Ralf Baechle <ralf@uni-koblenz.de>
CC: Linux/SGI <linux@cthulhu.engr.sgi.com>
Subject: strace issues [was Re: am-utils and NIS]
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[I'm cc'ing this to the list in case anyone else has seen this behaviour
in strace]

Ralf Baechle wrote:
[stuff about ypcat failing]
> Can you send me the strace output of the failing command?

One of these days I'll manage to compile something without incident...

I grabbed the strace CVS module, and tried to build it. Configure
identified a 'mips-unknown-linux', and things went fine until time.c:

>>>>
gcc -Wall -DHAVE_CONFIG_H   -I. -Ilinux/mips -I./linux/mips -Ilinux
-I./linux -g -O2 -c time.c
/usr/include/asm/timex.h: In function `get_cycles':
In file included from /usr/include/linux/timex.h:138,
                 from time.c:36:
/usr/include/asm/timex.h:36: warning: implicit declaration of function
`read_32bit_cp0_register'
/usr/include/asm/timex.h:36: `CP0_COUNT' undeclared (first use this
function)
/usr/include/asm/timex.h:36: (Each undeclared identifier is reported
only once
/usr/include/asm/timex.h:36: for each function it appears in.)
make: *** [time.o] Error 1
<<<<

So I looked up the offending function, and added '#include
<asm/mipsregs.h>' before the other Linux-specific includes. This
produced an executable, but when I ran 'strace -o /tmp/ypcat -f ypcat
group', the strace output ended like this:

>>>>
6341  gettimeofday({925689555, 977502}, NULL) = 0
6341  getpid()                          = 6341
6341  socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP) = 4
6341  getpid()                          = 6341
6341  bind(4, {sin_family=AF_INET, sin_port=htons(1005),
sin_addr=inet_addr("0.0
.0.0")}, 16) = 0
6341  ioctl(4, 0x667e, 0x7ffffb18)      = 0
<<<<

No exit indication, and no output from the ypcat program, either. The
error code from strace was zero.

The kernel source and strace were both pulled from CVS about an hour
ago.

Any ideas?

-- 
Charles Lepple
System Administrator, Virginia Tech EE Workstation Labs
clepple@ee.vt.edu || http://www.foo.tho.org/charles/

From owner-linux@cthulhu.engr.sgi.com  Mon May  3 20:37:45 1999
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Date: Tue, 04 May 1999 03:33:52 +0000
From: Charles Lepple <clepple@foo.tho.org>
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Subject: building an elf64 R10k kernel
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Hey all,
Does anyone out there know any details on building elf64 objects? I was
all happy about seeing Andrew's Indigo2 patches, and decided that I
_had_ to try and make it work on an Indigo2 Impact 10000... Suffice it
to say that it isn't straightforward.

I first tried to get the machine to boot an elf32 kernel. That failed
miserably, since it doesn't recognize 32-bit ELF objects. Comparison of
sashARCS and sash64 indicated that I needed to use elf64. My first
inclination was to just try the same load address as the Indys and r4400
Indigo2s use. I can't remember the exact error message, but the PROM
basically panicked while loading the first word at 0x88002000 (or
wherever). So I tried using the 64 bit start address from sash64 (high
hex nibble is 0xa). Needless to say, the elf32 linker options conflicted
with that one, and the linker (from binutils-2.8.1 or so) seg faulted.

When I finally recompiled with -mips3 and with a revised linker script,
I noticed something curious. Instead of just truncating the 64-bit
addresses, it rounded them off to 0xffffffff. Any thoughts on this? Am I
approaching this wrong?

And does anyone have a semi-offical memory map for the R10k Indigo2s?

-- 
Charles Lepple
System Administrator, Virginia Tech EE Workstation Labs
clepple@ee.vt.edu || http://www.foo.tho.org/charles/

From owner-linux@cthulhu.engr.sgi.com  Mon May  3 20:56:10 1999
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From: olson@anchor.engr.sgi.com (Dave Olson)
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Subject: Re: building an elf64 R10k kernel
In-Reply-To: <372E6AA0.505A6071@foo.tho.org> from Charles Lepple at "May 4, 99 03:33:52 am"
To: clepple@foo.tho.org (Charles Lepple)
Date: Mon, 3 May 1999 20:54:28 -0700 (PDT)
Cc: linux@cthulhu.engr.sgi.com
Organization: Silicon Graphics, Inc.  Mt. View, CA
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Charles Lepple wrote: 
|  Hey all,
|  Does anyone out there know any details on building elf64 objects? I was
|  all happy about seeing Andrew's Indigo2 patches, and decided that I
|  _had_ to try and make it work on an Indigo2 Impact 10000... Suffice it
|  to say that it isn't straightforward.

For r10k Indigo2 to work, you will need to hack the compiler,
for various reasons (the way the r10k works, plus the fact that
indigo2 doesn't have i/o cache coherency, interact in some "interesting"
ways.  I would suggest not attempting this port, unless you have a *lot*
of spare time.

Dave Olson, Silicon Graphics
http://reality.sgi.com/olson   olson@sgi.com

From owner-linux@cthulhu.engr.sgi.com  Tue May  4 14:51:46 1999
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To: "Andrew R. Baker" <andrewb@uab.edu>,
        Ulf Carlsson <ulfc@thepuffingroup.com>
Cc: Linux SGI <linux@cthulhu.engr.sgi.com>
Subject: Re: Indigo2 patch
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On Sun, May 02, 1999 at 08:31:20PM -0500, Andrew R. Baker wrote:

> Any chance on getting the cross linker fixed?

I'll have the time to work on this soon again.  However just removing -N
does the job; there are no other known kernel build problems with
binutils 2.8.1.

  Ralf

From owner-linux@cthulhu.engr.sgi.com  Tue May  4 10:48:52 1999
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Date: Tue, 4 May 1999 13:46:17 -0400 (EDT)
From: Charles Lepple <clepple@foo.tho.org>
To: Harald Koerfgen <Harald.Koerfgen@home.ivm.de>
cc: SGI Linux <linux@cthulhu.engr.sgi.com>
Subject: Re: CP0_STATUS interrupt mask patch
In-Reply-To: <XFMail.990430105522.Harald.Koerfgen@home.ivm.de>
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On Fri, 30 Apr 1999, Harald Koerfgen wrote:

> on DECstations but may trigger undiscovered bugs on other machines.

I just pulled down the CVS kernel with the patch, and it seems that it
causes a 'keyboard timeout[2]' to be printed on the console after the SCSI
bus is probed. I undid the patch manually (ie, the rest of the kernel is
still from the cvs update) and it boots fine. Anyone else seen this?

--Charles Lepple
System Administrator, Virginia Tech EE Workstation Labs
clepple@foo.tho.org || http://foo.tho.org/charles/


From owner-linux@cthulhu.engr.sgi.com  Tue May  4 15:17:51 1999
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To: Dave Olson <olson@anchor.engr.sgi.com>,
        Charles Lepple <clepple@foo.tho.org>
Cc: linux@cthulhu.engr.sgi.com
Subject: Re: building an elf64 R10k kernel
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On Mon, May 03, 1999 at 08:54:28PM -0700, Dave Olson wrote:

> Charles Lepple wrote: 
> |  Hey all,
> |  Does anyone out there know any details on building elf64 objects? I was
> |  all happy about seeing Andrew's Indigo2 patches, and decided that I
> |  _had_ to try and make it work on an Indigo2 Impact 10000... Suffice it
> |  to say that it isn't straightforward.
> 
> For r10k Indigo2 to work, you will need to hack the compiler,
> for various reasons (the way the r10k works, plus the fact that
> indigo2 doesn't have i/o cache coherency, interact in some "interesting"
> ways.  I would suggest not attempting this port, unless you have a *lot*
> of spare time.

Let me point out that SGI has invented an almost genious workaround for a
R10000 bug that only hits systems without I/O cache coherency, that is the
Indigo2 and O2.

When I first read the description of the bug and it's workaround I thought
I'd be halucinating ...

  Ralf

From owner-linux@cthulhu.engr.sgi.com  Tue May  4 16:02:15 1999
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Ralf Baechle writes:
 > On Mon, May 03, 1999 at 08:54:28PM -0700, Dave Olson wrote:
 > 
 > > Charles Lepple wrote: 
 > > |  Hey all,
 > > |  Does anyone out there know any details on building elf64 objects? I was
 > > |  all happy about seeing Andrew's Indigo2 patches, and decided that I
 > > |  _had_ to try and make it work on an Indigo2 Impact 10000... Suffice it
 > > |  to say that it isn't straightforward.
 > > 
 > > For r10k Indigo2 to work, you will need to hack the compiler,
 > > for various reasons (the way the r10k works, plus the fact that
 > > indigo2 doesn't have i/o cache coherency, interact in some "interesting"
 > > ways.  I would suggest not attempting this port, unless you have a *lot*
 > > of spare time.
 > 
 > Let me point out that SGI has invented an almost genious workaround for a
 > R10000 bug that only hits systems without I/O cache coherency, that is the
 > Indigo2 and O2.
...

     The R10000 "bug" is, in a sense, a feature, in that it improves
performance, and is harmless on machines with cache-coherent I/O.
Specifically, on a speculative store miss (a cache miss due to a
speculatively executed store instruction), the R10000 fetches the line
dirty-exclusive and marks it modified, in anticipation of the store.
If, however, the speculatively executed store never graduates (is
never committed), the line is left dirty, even though it has not been
modified.  If the line happens to be part of a buffer into which data
is being DMAed, a subsequent victim writeback of the dirty cache line
might overwrite good data from the DMA with the obsolete data in the
cache line.  This means that, one way or the other, a system with
non-cache-coherent I/O and an R10000 must avoid allowing the
processor to perform a speculative store miss with respect to memory
into which a DMA is taking place.

     Note that the Indigo2 and O2 have somewhat different workarounds.
The Indigo2 deals with the kernel side using a special compilation mode,
and the O2 deals with the kernel side using a special hardware feature
plus a generalization of the solution for the user mode part of the problem.
Both deal with the user mode by invalidating TLB entries for pages into
which data is being transferred via DMA, so that the processor cannot
resolve the virtual address, and hence cannot speculatively fetch
a cache line at that address, while the DMA is in progress.  The kernel
side is harder, since the TLB is not used for K0SEG and XKPHYS address
spaces, which is where things get complicated.

     I can provide the details to someone who is really interested
in working on this, but, as Dave Olson indicated, you don't want to
start on this unless you have a LOT of spare time. 

From owner-linux@cthulhu.engr.sgi.com  Tue May  4 18:45:56 1999
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Date: Wed, 05 May 1999 01:44:23 +0000
From: Charles Lepple <clepple@foo.tho.org>
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Charles Lepple wrote:
> I just pulled down the CVS kernel with the patch, and it seems that it
> causes a 'keyboard timeout[2]' to be printed on the console after the SCSI

Omitted a critical detail -- it hangs hard-core after this message.
Evidently the power button was initialized by this point, because it
doesn't turn off immediately, and it doesn't start the LED blinking
indicating an impending power-off.

System summary: 
Indy R5000
gcc version egcs-2.90.27 980315 (egcs-1.0.2 release)
binutils-2.8.1

-- 
Charles Lepple
System Administrator, Virginia Tech EE Workstation Labs
clepple@ee.vt.edu || http://www.foo.tho.org/charles/

From owner-linux@cthulhu.engr.sgi.com  Wed May  5 16:18:00 1999
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To: Charles Lepple <clepple@foo.tho.org>,
        Linux/SGI <linux@cthulhu.engr.sgi.com>
Subject: Re: CP0_STATUS interrupt mask patch
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On Wed, May 05, 1999 at 01:44:23AM +0000, Charles Lepple wrote:

> Charles Lepple wrote:
> > I just pulled down the CVS kernel with the patch, and it seems that it
> > causes a 'keyboard timeout[2]' to be printed on the console after the SCSI
> 
> Omitted a critical detail -- it hangs hard-core after this message.
> Evidently the power button was initialized by this point, because it
> doesn't turn off immediately, and it doesn't start the LED blinking
> indicating an impending power-off.

The power button is handled during interrupts so when the interrupt
handling is fsck'ed the button won't work, too.

I'll look at it.

  Ralf

From owner-linux@cthulhu.engr.sgi.com  Thu May  6 02:13:12 1999
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Hi everybody,

Is anyone developing a port of linux to run on o2 r5000 hardware?
if so what stage is it at?
I'm new to sgi but we've got a spare o2 sitting in the corner of my new
office...

any info is appreciated.

regards,
Danny


From owner-linux@cthulhu.engr.sgi.com  Fri May  7 08:25:26 1999
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From: "Andrew R. Baker" <andrewb@uab.edu>
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To: Linux SGI <linux@cthulhu.engr.sgi.com>
Subject: Re: Indigo2 patch
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I am just wondering if anyone has tried out my patch.  I haven't received
much feedback.  Also, has anyone checked to make sure it doesn't break the
anything on the Indy?  If it doesn't than could someone think about
committing the changes to the CVS tree (I don't have CVS commit access).


From owner-linux@cthulhu.engr.sgi.com  Fri May  7 08:37:49 1999
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Could someone who has succesfully set up remote kernel debugging help me
to get it working over here?  This is what I get from gdb when trying to
set up the connection:

(gdb) target remote /dev/ttyS1
Remote debugging using /dev/ttyS1
Ignoring packet error, continuing...
Ignoring packet error, continuing...
Couldn't establish connection to remote target
Malformed response to offset query, timeout


Any suggestions?

-Andrew


From owner-linux@cthulhu.engr.sgi.com  Fri May  7 10:44:56 1999
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To: "Andrew R. Baker" <andrewb@uab.edu>
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Subject: Re: Indigo2 patch
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> I am just wondering if anyone has tried out my patch.  I haven't received
> much feedback.

I have the same problem with the HAL2 sounddriver I think. ;-)

- Ulf

From owner-linux@cthulhu.engr.sgi.com  Fri May  7 13:02:48 1999
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On Wed, May 05, 1999 at 05:40:22PM +0200, Ralf Baechle wrote:
> On Wed, May 05, 1999 at 01:44:23AM +0000, Charles Lepple wrote:
> 
> > Charles Lepple wrote:
> > > I just pulled down the CVS kernel with the patch, and it seems that it
> > > causes a 'keyboard timeout[2]' to be printed on the console after the SCSI
> > 
> > Omitted a critical detail -- it hangs hard-core after this message.
> > Evidently the power button was initialized by this point, because it
> > doesn't turn off immediately, and it doesn't start the LED blinking
> > indicating an impending power-off.
> 
> The power button is handled during interrupts so when the interrupt
> handling is fsck'ed the button won't work, too.
> 
> I'll look at it.

I'm having this problem as well..

- Ulf

From owner-linux@cthulhu.engr.sgi.com  Fri May  7 15:24:50 1999
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From: Ulf Carlsson <ulfc@thepuffingroup.com>
To: Ralf Baechle <ralf@uni-koblenz.de>
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On Wed, May 05, 1999 at 05:40:22PM +0200, Ralf Baechle wrote:
> On Wed, May 05, 1999 at 01:44:23AM +0000, Charles Lepple wrote:
> 
> > Charles Lepple wrote:
> > > I just pulled down the CVS kernel with the patch, and it seems that it
> > > causes a 'keyboard timeout[2]' to be printed on the console after the SCSI
> > 
> > Omitted a critical detail -- it hangs hard-core after this message.
> > Evidently the power button was initialized by this point, because it
> > doesn't turn off immediately, and it doesn't start the LED blinking
> > indicating an impending power-off.
> 
> The power button is handled during interrupts so when the interrupt
> handling is fsck'ed the button won't work, too.
> 
> I'll look at it.

Ok, you don't have to look at it I think since I just smashed the bug.

I found that indy_sc_wipe corrupted the interrupt mask, and that it relayed on
that it was restored by other functions to a correct state again.

My R4600SC boots fine now with Harald's new patches.

- Ulf

From owner-linux@cthulhu.engr.sgi.com  Fri May  7 16:41:41 1999
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Date: Sat, 8 May 1999 01:17:04 +0200
From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: linux@cthulhu.engr.sgi.com
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Hi,

I'm on vacation from May 9th to June 4th. I'm not sure, whether I'm able
to read my emails during that time. I'll visit Linux Expo, so if anybody
wants to meet me in person, this is a good chance.

Thomas.

-- 
   This device has completely bogus header. Compaq scores again :-|
It's a host bridge, but it should be called ghost bridge instead ;^)
                                        [Martin `MJ' Mares on linux-kernel]

From owner-linux@cthulhu.engr.sgi.com  Sat May  8 04:59:59 1999
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From: Han-Wen Nienhuys <hanwen@cs.uu.nl>
To: linux@cthulu.engr.sgi.com
Subject: success/ quirks.
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Hi guys,


just a little success / quirk report.  I got my hands on a 24 bit
R4600 Indy when my university ditched them all (they switched to Sun
machines), and I now use it as as very luxurious X-terminal to my
lowly linux PC.  After some tweaking I managed to boot Linux on the
machine as well, and installed it on the 2nd HD.

I have some remarks/bugreports:

  * the size of /proc/kcore was ludicrous for a 32 MB machine,

  -r--r--r--   1 root     root            0 May  6 23:24 ioports
  -r--------   1 root     root     167354368 May  6 23:24 kcore
  -r--------   1 root     root            0 May  6 23:22 kmsg

  * I  couldn't get g++ working.  The linker gave up after saying:

  /usr/lib/libstdc++.so: undefined reference to `__unwind_function'
  /usr/lib/libstdc++.so: undefined reference to
  `__find_first_exception_table_match'
  /usr/lib/libstdc++.so: undefined reference to
  `__register_exceptions'
collect2: ld returned 1 exit status

This was with Hard hat (snatched from a RH mirror), and
vmlinux-indy-2.2.1-990329 kernel.  I can send you a bootlog as well.

Finally, what is the status of Linux/Indy Xserver?  (I know I should
contribute instead of asking, but hey, I'm spending lots of time on
free s/w already.)

In any case, keep up the good work.  Blue computers are so cool!



-- 

Han-Wen Nienhuys, hanwen@cs.uu.nl ** GNU LilyPond - The Music Typesetter 
      http://www.cs.uu.nl/people/hanwen/lilypond/index.html 





From owner-linux@cthulhu.engr.sgi.com  Sat May  8 13:51:42 1999
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Date: Sat, 8 May 1999 16:50:20 -0400
From: Matthias Kleinschmidt <mkleinschmidt@gmx.de>
To: SGI/Linux mailing list <linux@cthulhu.engr.sgi.com>
Subject: parallel Port
Message-ID: <19990508165019.A6441@us08-568b-1.res.umassd.edu>
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Hi,

is there any progress with the parallel port driver?
If not maybe I could try.
I never wrote a driver before but if it is really as simple as Thomas said
it might be a good project to start with. 

Matthias

-- 
Matthias Kleinschmidt
Cedar Dell 568B, Box 5398
UMass Dartmouth
North Dartmouth, MA 02747
email: mkleinschmidt@gmx.de

From owner-linux@cthulhu.engr.sgi.com  Sat May  8 16:01:44 1999
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Date: Sat, 8 May 1999 23:30:58 +0200
From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: SGI/Linux mailing list <linux@cthulhu.engr.sgi.com>
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On Sat, May 08, 1999 at 04:50:20PM -0400, Matthias Kleinschmidt wrote:
> is there any progress with the parallel port driver?

sorry, I tried to get out the necessary bits from Irix header files and
the small documentation about the parallel port. I couldn't find out
whether it's possible to use the parallel port in PIO mode.

> If not maybe I could try.
> I never wrote a driver before but if it is really as simple as Thomas said
> it might be a good project to start with. 

If you could run the parallel port in PIO mode, it's pretty straight
forward. But if this isn't possible, you need to do DMA, which is much
more work.

Thomas.

-- 
   This device has completely bogus header. Compaq scores again :-|
It's a host bridge, but it should be called ghost bridge instead ;^)
                                        [Martin `MJ' Mares on linux-kernel]

From owner-linux@cthulhu.engr.sgi.com  Sat May  8 13:34:05 1999
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> gcc -shared -Wl,-soname -Wl,libamu.so.1 -o .libs/libamu.so.1.0.1
> misc_rpc.lo mount_fs.lo mtab.lo nfs_prot_xdr.lo util.lo wire.lo
> xdr_func.lo xutil.lo transputil.lo mtabutil.lo mountutil.lo umount_fs.lo
> collect2: ld terminated with signal 6 [Aborted]
> make[2]: *** [libamu.la] Error 1
> make[2]: Leaving directory
> `/usr/src/redhat/BUILD/am-utils-6.0a16/libamu'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/usr/src/redhat/BUILD/am-utils-6.0a16'
> make: *** [all-recursive-am] Error 2

I don't know if you've solved this problem, but I bet you're using binutils
2.9.1, install the old 2.8.1 and everything will (probably) work just fine.

I'm trying to get back to the cutting edge of my mailbox today :-)

- Ulf

From owner-linux@cthulhu.engr.sgi.com  Mon May 10 01:54:07 1999
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From: Han-Wen Nienhuys <hanwen@cs.uu.nl>
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Subject: Re: success/ quirks.
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ulfc@thepuffingroup.com writes:
> > Finally, what is the status of Linux/Indy Xserver?  (I know I should
> > contribute instead of asking, but hey, I'm spending lots of time on
> > free s/w already.)
> 
> It's on its way actually. At least a simple (slow) implementation. The code is
> there, I just need to do some debugging to make it usable.
> 
> I can unfortunately not release any source code, because the XFree86 betas
> aren't public, but I'll try to produce a binary soon.

Is there  time frame for the XFree release?


-- 

Han-Wen Nienhuys, hanwen@cs.uu.nl ** GNU LilyPond - The Music Typesetter 
      http://www.cs.uu.nl/people/hanwen/lilypond/index.html 





From owner-linux@cthulhu.engr.sgi.com  Mon May 10 09:03:55 1999
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Date: Mon, 10 May 1999 10:00:18 -0600
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Does somebody have a linux system inside the firewall that they could
give me a temporary account on, to examine configurations?  I am having
some network problems (frankly, I am sure they are just the result of
operator error/training) and I wanted to take a look at a good (working)
example.  I can telnet in easily, but anything outgoing won't go beyond
the local domain, i.e. I can't get to dist.engr, etc.  My IRIX
networking hasn't translated as easily as I had hoped ;-)

Thanks,
Wayne


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From owner-linux@cthulhu.engr.sgi.com  Mon May 10 10:38:11 1999
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From: Ulf Carlsson <ulfc@thepuffingroup.com>
To: Linux SGI <linux@cthulhu.engr.sgi.com>
Subject: Indy SC bug
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Hi all,

I've found a silly bug in the R4600SC caching routines. It wiped the whole cache
at wrap arounds even if you just tried to write back two cache lines (for
example the last cache line and the first cache line).

I can't understand how this bug has lasted so long in the kernel. Well, now that
I've sorted it out, your R4600SC machine be A LOT faster.

- Ulf

From owner-linux@cthulhu.engr.sgi.com  Mon May 10 14:03:11 1999
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From: Ulf Carlsson <ulfc@thepuffingroup.com>
To: Linux SGI <linux@cthulhu.engr.sgi.com>
Subject: HAL2 driver update
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Hi,

I've got the HAL2 driver into the main ALSA CVS tree now. To celebrate that,
I've uploaded a new version of the driver. Including a binary kernel with sound
support this time.

If you want to play some music go through the following steps:

1. Get a binary linux-indy-sound kernel from
   ftp://ftp.linux.sgi.com/pub/linux/mips/test.

2. Install the ALSA and mpg123 precompiled RPM packages you get from
   ftp://ftp.linux.sgi.com/pub/linux/mips/ALSA (note that I have moved it out
   from the test directory).

4. You will now have to create the ALSA sound devices. Run the script
   snddevices in /usr/doc/alsa-driver-0.3.0-pre5.

5. Insert the modules, in the order: snd.o snd-pcm.o snd-timer.o
   snd-pcm1.o snd-mixer.o snd-pcm1-oss.o snd-hal2.o snd-card-hal2.o. Write this
   in the boot scripts if you don't want to insert the modules manually each
   time.

6. Play audio!

7. Tell me (ulfc@thepuffingroup.com) if it works!

/ Ulf

From owner-linux@cthulhu.engr.sgi.com  Mon May 10 21:07:33 1999
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Date: Mon, 10 May 1999 21:02:40 -0700 (PDT)
From: Kostadis Roussos <kostadis@acropolis.engr.sgi.com>
To: Wayne Vieira <waynev@sgi.com>
cc: "'linux@engr.sgi.com'" <linux@cthulhu.engr.sgi.com>
Subject: Re: Linux Networking
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Try 

wrlsimi@engr
delilah@engr
samson@engr

cheers,
kostadis


Kostadis Roussos (kostadis@sgi.com) |Opinions are my own,
NSD Silicon Graphics		    |  not my employer's.
http://reality.sgi.com/knr_engr	    |        
Tel:415-933-7595
	The avalanche has already started. It is too late
	for the pebbles to vote. -- Ambassador Kosh Naranek 

On Mon, 10 May 1999, Wayne Vieira wrote:

> 
> Does somebody have a linux system inside the firewall that they could
> give me a temporary account on, to examine configurations?  I am having
> some network problems (frankly, I am sure they are just the result of
> operator error/training) and I wanted to take a look at a good (working)
> example.  I can telnet in easily, but anything outgoing won't go beyond
> the local domain, i.e. I can't get to dist.engr, etc.  My IRIX
> networking hasn't translated as easily as I had hoped ;-)
> 
> Thanks,
> Wayne
> 
> 
>  <<Wayne Vieira.vcf>> 
> 


From owner-linux@cthulhu.engr.sgi.com  Mon May 10 22:28:52 1999
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From: Raj Mathur <raju@sgi.com>
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---------------- Quote
Try 

wrlsimi@engr
delilah@engr
samson@engr
---------------- UnQuote

Uh, shouldn't that be delilah.engr, samson.engr, etc?

From owner-linux@cthulhu.engr.sgi.com  Mon May 10 22:55:19 1999
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Date: Mon, 10 May 1999 22:48:50 -0700 (PDT)
From: Kostadis Roussos <kostadis@acropolis.engr.sgi.com>
To: Raj Mathur <raju@sgi.com>
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Yup...

cheerws,
kostadis
Kostadis Roussos (kostadis@sgi.com) |Opinions are my own,
NSD Silicon Graphics		    |  not my employer's.
http://reality.sgi.com/knr_engr	    |        
Tel:415-933-7595
	The avalanche has already started. It is too late
	for the pebbles to vote. -- Ambassador Kosh Naranek 

On Tue, 11 May 1999, Raj Mathur wrote:

> ---------------- Quote
> Try 
> 
> wrlsimi@engr
> delilah@engr
> samson@engr
> ---------------- UnQuote
> 
> Uh, shouldn't that be delilah.engr, samson.engr, etc?
> 


From owner-linux@cthulhu.engr.sgi.com  Tue May 11 16:09:27 1999
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From: "Andrew Linfoot" <andy@derfel99.freeserve.co.uk>
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Subject: Web Site
Date: Wed, 12 May 1999 00:06:08 +0100
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------=_NextPart_000_000F_01BE9C0B.3C8ADF60
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Hi,

Sorry for posting this here but i'm new and don't yet know who's who =
etc...

I have been unable to access the www.linux.sgi.com site for over 24 =
hours, can someone please take a look?

This may well be a problem at my ISP, but i can see all other SGI public =
sites.

Cheers
Andy


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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META content=3D"MSHTML 5.00.2314.1000" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hi,</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Sorry for posting this here but i'm new =
and don't=20
yet know who's who etc...</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I have been unable to access the <A=20
href=3D"http://www.linux.sgi.com">www.linux.sgi.com</A> site for over 24 =
hours,=20
can someone please take a look?</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>This may well be a problem at my ISP, =
but i can see=20
all other SGI public sites.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Cheers</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Andy</FONT></DIV>
<DIV>&nbsp;</DIV></BODY></HTML>

------=_NextPart_000_000F_01BE9C0B.3C8ADF60--


From owner-linux@cthulhu.engr.sgi.com  Tue May 11 16:27:42 1999
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Date: Tue, 11 May 1999 16:25:29 -0700
From: Nancy Bigham <bigham@cthulhu.engr.sgi.com>
Organization: SSO
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My apologies, we are having problems with the disk drives on linus.linux
and have had to take the machine off-line. It is currently being worked
on. I'm not quite sure when we'll be able to put the machine back
online. 

-Nancy

Andrew Linfoot wrote:
> 
>    Part 1.1       Type: Plain Text (text/plain)
>               Encoding: quoted-printable

-- 
Nancy Bigham
Silicon Graphics   MS 8U-500   650 933-1608   bigham@engr.sgi.com

From owner-linux@cthulhu.engr.sgi.com  Fri May 14 06:34:53 1999
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Subject: Interesting stuff...
Date: Fri, 14 May 99 09:34:14 -0400
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Just came across this news story at MSNBC website about Linux and 
especially Silicon Graphics involvement in the Linux era...Pretty 
interesting story!

http://www.msnbc.com/news/269312.asp

 - Trevor



>Trevor Jennings 
>Programmer/System Administrator
>MaineToday.com - http://www.mainetoday.com
>Email: trevj@portland.com
>ICQ: 656540  Phone: (207) 822 4070


From owner-linux@cthulhu.engr.sgi.com  Wed May 19 23:38:11 1999
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I'm havind the problem described i January by Chad Carlin :

 sdb: sdb1 sdb2 sdb3 sdb4
Looking up port of RPC 100003/2 on 169.238.83.43
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
portmap: server 169.238.83.43 not responding, timed out
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 169.238.83.43
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
portmap: server 169.238.83.43 not responding, timed out
Root-NFS: Unable to get mountd port number from server, using default
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
mount: server 169.238.83.43 not responding, timed out
Root-NFS: Server returned error -5 while mounting /tftpboot/
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device 02:00
Kernel panic: VFS: Unable to mount root fs on 02:00


My system is a R4600 100Mhz.

It is not clear from the mailing list archive how/where to get a kernel that
works in this case?

-Roald

-- 
    
---------------------------------------------------------------
| Company: SGI Norge A/S                                      |
| Email:   roald@sgi.com          Tlf:          +47 5184 3633 |
| Addr:    St Olavsgt 9           Mobil:        +47 909 33 903|
|          N-4004 Stavanger       VMail (SGI):  870-4679      |
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From owner-linux@cthulhu.engr.sgi.com  Thu May 20 07:41:42 1999
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XFS on Linux! Cool!

Maybe now we will be able to boot Linux off an XFS partition on an
Indy. :)

-------- Original Message --------
Subject: Re:  Operations Research Help
Date: Thu, 20 May 1999 09:24:39 -0500
From: Paul Helvig <pnh@sgi.com>
Reply-To: Paul Helvig <pnh@sgi.com>
To: nafose@corp.sgi.com

Heres an interesting bit of news...  Apparently we opening the
doors concerning our deep/dark filesystem secrets:

	http://www.zdnet.com/zdnn/stories/news/0,4586,2262546,00.html

From owner-linux@cthulhu.engr.sgi.com  Fri May 21 07:24:14 1999
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From: "Roald Lygre" <roald@stavanger.sgi.com>
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Date: Fri, 21 May 1999 16:20:54 +0000
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I'm having the problem described on this mailing list in January by Chad
Carlin:

 sdb: sdb1 sdb2 sdb3 sdb4
Looking up port of RPC 100003/2 on 169.238.83.43
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
portmap: server 169.238.83.43 not responding, timed out
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 169.238.83.43
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
portmap: server 169.238.83.43 not responding, timed out
Root-NFS: Unable to get mountd port number from server, using default
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
RPC: sendmsg returned error 128
mount: server 169.238.83.43 not responding, timed out
Root-NFS: Server returned error -5 while mounting /tftpboot/
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device 02:00
Kernel panic: VFS: Unable to mount root fs on 02:00


My system is a R4600 100Mhz.

It is not clear from the mailing list archive how/where to get a kernel that
works in this case?

-Roald

--


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From owner-linux@cthulhu.engr.sgi.com  Fri May 21 15:08:23 1999
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Date: Fri, 21 May 1999 17:16:07 -0500 (CDT)
From: "Andrew R. Baker" <andrewb@uab.edu>
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Subject: Anyone have an idea on this oops?
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I am currently at a loss as to where to look, but it could just be lack of
sleep.  So if anyone has any pointers on fixing this.  BTW, this is from
an Indigo2, not an Indy...

Thanks, 

Andrew



Options used: -v ./vmlinux (specified)
              -O (specified)
              -K (specified)
              -L (specified)
              -m ./System.map (specified)
              -c 1 (default)

Oops: 0000
$0 : 00000000 3004fc00 00000001 880f565c
$4 : 00000000 00000000 887b7d40 3004fc01
$8 : 3004fc00 1000001f 0000003e 20202020
$12: 2020622e 887b7e10 3004fc01 887b7e10
$16: 8811d548 00000050 00000029 8ff44000
$20: 00000000 880e1020 10013228 880e1020
$24: 00000000 2ab30ff0
$28: 887b6000 887b7d28 880abaa4 880ca238
epc   : 880c9b70
Status: 3004fc02
Cause : 00000008
Process cat (pid: 6, stackpage=887b6000)
Stack: 880e28d9 887b7e2c 00000000 000008bd 10000400 880ca238 00000000 706f7274
       2070726f 887b7e10 3004fc01 880e28bd 00000000 3004fc00 0000008a 00000b61
       00000080 bfbd9830 8811d140 3004fc01 0000fc00 ffff00ff 0000003e 20202020
       2020622e 887b7e10 3004fc01 887b7e10 8ff44000 00000050 00000029 8ff44000
       00000000 880e1020 10013228 880e1020 00000000 2ab30ff0 10013228 880e1020
       887b6000 ...
Call Trace: [<880ca238>] [<880abaa4>] [<880a994c>] [<880c2afc>] [<880a9964>] [<880abc1c>] [<880a6b94>] [<880a69b4>] [<8803fad0>] [<8801935c>] [<88046cf8>] [<88011fe4>] [<88011724>]
Code: 8c620000  24420001  ac620000 <8ca20000> 0040f809  8ca50010  8e020000  2442ffff  ae020000 

>>EIP: 880c9b70 <indy_local0_irqdispatch+ac/d4>
Trace: 880ca238 <indyIRQ+118/180>
Trace: 880abaa4 <write_chan+0/2d8>
Trace: 880a994c <opost_block+204/234>
Trace: 880c2afc <rs_flush_chars+204/210>
Trace: 880a9964 <opost_block+21c/234>
Trace: 880abc1c <write_chan+178/2d8>
Trace: 880a6b94 <tty_write+1e0/2c4>
Trace: 880a69b4 <tty_write+0/2c4>
Trace: 8803fad0 <sys_write+154/1b4>
Trace: 8801935c <__gnu_compiled_c+17c/280>
Trace: 88046cf8 <sys_newfstat+b4/d4>
Trace: 88011fe4 <stack_done+18/34>
Trace: 88011724 <nopage_tlbl+f4/110>

Aiee, killing interrupt handler

1 error issued.  Results may not be reliable.


From owner-linux@cthulhu.engr.sgi.com  Fri May 21 16:12:14 1999
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"Andrew R. Baker" wrote:

> I am currently at a loss as to where to look, but it could just be lack of
> sleep.  So if anyone has any pointers on fixing this.  BTW, this is from
> an Indigo2, not an Indy...

About the indigo2, have you got a precompiled kernel for indigo2 for me?, or a working indigo2 source? I can't get the patch
to work (yet) on the current (22may) CVS tree.

Richard


From owner-linux@cthulhu.engr.sgi.com  Fri May 21 16:25:55 1999
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From: brett <brett@madhouse.org>
To: Richard Hartensveld <richardh@penguin.nl>
cc: "Andrew R. Baker" <andrewb@uab.edu>,
        Linux SGI <linux@cthulhu.engr.sgi.com>
Subject: Re: Anyone have an idea on this oops?
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speaking of indigo's is there a group already working with the indigo
(elan graphics) machines that I can work with on getthing those guy up and
running.

brett

-----------------------------------------------
brett wanger	|	brett@madhouse.org
get commited!	|	http://www.madhouse.org
-----------------------------------------------

On Sat, 22 May 1999, Richard Hartensveld wrote:

> "Andrew R. Baker" wrote:
> 
> > I am currently at a loss as to where to look, but it could just be lack of
> > sleep.  So if anyone has any pointers on fixing this.  BTW, this is from
> > an Indigo2, not an Indy...
> 
> About the indigo2, have you got a precompiled kernel for indigo2 for me?, or a working indigo2 source? I can't get the patch
> to work (yet) on the current (22may) CVS tree.
> 
> Richard
> 
> 


From owner-linux@cthulhu.engr.sgi.com  Sun May 23 09:12:17 1999
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unsuscribe unsubscribe


From owner-linux@cthulhu.engr.sgi.com  Mon May 24 09:41:22 1999
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To: Linux SGI <linux@cthulhu.engr.sgi.com>
Subject: SGI Distribution?
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With last week's announcement, is SGI planning a full linux distribution
for the visual workstations? 

Is this the appropriate place to ask this question, if not, where?

Thanks

Don Smith




From owner-linux@cthulhu.engr.sgi.com  Mon May 24 11:11:31 1999
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From: kck@mailbox.esd.sgi.com (Ken Klingman)
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Subject: Re: SGI Distribution?
To: dcsmith@belgarath.rutgers.edu
Date: Mon, 24 May 1999 11:10:09 -0700 (PDT)
Cc: linux@cthulhu.engr.sgi.com
In-Reply-To: <Pine.LNX.4.04.9905241238080.6929-100000@belgarath.rutgers.edu> from "dcsmith@belgarath.rutgers.edu" at May 24, 99 12:40:16 pm
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We have not made any formal announcements regarding our plans for
Linux on the visual workstation.  You should be able to get an NDA
disclosure from your salesman.

Ken
> 
> With last week's announcement, is SGI planning a full linux distribution
> for the visual workstations? 
> 
> Is this the appropriate place to ask this question, if not, where?
> 
> Thanks
> 
> Don Smith
> 
> 
> 


From owner-linux@cthulhu.engr.sgi.com  Mon May 24 16:46:03 1999
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Hi,

First i'd like to thank you all for the effort you have a made in producing
the sgi/Linux port, I know there's still a lot to be done but well done!

Now I have a box running maybe I can help by porting some of the userland
rpms? I have managed to get the development tools installed and can now
build a kernel from the 2.2.1 sources

I have been around Linux since Linus released the first kernel around '91,
so I am comfortable building the kernel and other sources.

It's been a while since I did any serious coding so suggestions on some
simple/small ports would be welcome. I have a full copy of the RH 5.2
sources and could make a start on those.

I know this is a regular question but what's the latest with the X Server? I
am more than willing to test code if anyone would like me do do so.

I have compiled my current kernel with efs support but mount does not want
to play! I'm running 2.7l of mount, do i need a newer version?


Cheers,
Andy






From owner-linux@cthulhu.engr.sgi.com  Tue May 25 07:06:29 1999
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From: Martin Solli <martin.solli@paintbox.no>
To: "'linux@engr.sgi.com'" <linux@cthulhu.engr.sgi.com>
Subject: Hardhat on the Indy
Date: Tue, 25 May 1999 16:05:20 +0200
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I know this has been discussed serveral times on the mailing list (I've read
the archives), but somehow the info didn't help me much booting my Indy.

The boot server: A Pentium box running Red Hat 5.2 and kernel 2.2.8
The NFS server: A solaris 2.5.1 box
The kernel image for the Indy: vmlinux-indy-2.2.1-990329
(also tried vmlinux from hardhat, vmlinux-indy-990212 and
vmlinux-indy-initrd-990313)

My boot command:
boot bootp():/vmlinux-indy-2.2.1-990329
nfsroot=193.215.244.135:/prod/martin/hardhat/mipseb

The Indy:
---
jonas:~$ hinv
CPU: MIPS R4400 Processor Chip Revision: 5.0
FPU: MIPS R4000 Floating Point Coprocessor Revision: 0.0
1 150 MHZ IP22 Processor
Main memory size: 128 Mbytes
Secondary unified instruction/data cache size: 1 Mbyte on Processor 0
Instruction cache size: 16 Kbytes
Data cache size: 16 Kbytes
Integral SCSI controller 0: Version WD33C93B, revision D
  Disk drive: unit 1 on SCSI controller 0
  Disk drive: unit 2 on SCSI controller 0
  CDROM: unit 4 on SCSI controller 0
On-board serial ports: 2
On-board bi-directional parallel port
Graphics board: Indy 24-bit
Integral Ethernet: ec0, version 1
Integral ISDN: Basic Rate Interface unit 0, revision 1.0
Iris Audio Processor: version A2 revision 4.1.0
Vino video: unit 0, revision 0, IndyCam connected
---


Here's what the kernel says after checking the hard drive partitions:
---
Looking up port of RPC 100003/2 on 193.215.244.135
Looking up port of RPC 100005/1 on 193.215.244.135
VFS: Mounted root (nfs filesystem).
Adv: done running setup()
Freeing unused kernel memory: 44k freed
page fault from irq handler: 0000
$0 : 00000000 88180000 0000062d 00000000
$4 : 00000000 1004fc00 00000000 00000000
$8 : 00000000 00000000 00000000 00046098
$12: 358d667d 8ff14874 8ff14800 00000000
$16: 8ff25000 8ff100e0 0000062d 881523c8
$20: aff25040 bfb94000 00000000 bfbd4000
$24: 00000000 8ff4fb58
$28: 88000000 88009d90 0000000e 880e3f38
eoc   : 880e3e74
Status: 1004fc02
Cause : 00000008
Aiee, killing interrupt handler
Kernel panic: Attempted to kill the idle task!
In swapper task - not syncing
---

Then it hangs. Suggestions? Fixes? Comments?

Thanks a lot! :)

--
.\\artin 

From owner-linux@cthulhu.engr.sgi.com  Wed May 26 08:26:28 1999
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 	           TurboLinux
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By Rachel Chalmers 

Pacific HiTech (PHT) Inc will bundle IBM Corp's DB2 database with its
own
distribution of the Linux operating system, TurboLinux. In return, IBM
will offer 24-hour phone support to users of DB2 on TurboLinux. The
announcement clarifies an earlier announcement by IBM that it would
support the four leading Linux distribution vendors, so expect news of
similar deals with SuSE Inc, Caldera Inc and Red Hat Software Inc in
the weeks to come - "specific things with specific distributions," as
director of integrated solutions and Linux marketing for IBM, Jon
Prial, puts it. IBM plans to be as agnostic about different flavors of
Linux as it tries to be about those other server operating systems,
Solaris and NT. "We are not getting into a religious war," says Prial,
"the bottom line comes down to customer choice." 

PHT chief executive, Cliff Miller says the deal should give PHT's
corporate customers peace of mind. "The relationship extends far
beyond combining our software together and the ease of installation,
and performance boosts that will bring," he told ComputerWire,
"there's also the support infrastructure that IBM brings." Prial
agrees:
"What we're finding is that there clearly is an interest in Linux," he
says, "it's just not running under the purview of the CIO. Our
announcement of support should make Linux more viable." 

Another plus for PHT is the North America sales channels that Big Blue
can provide. PHT has just re-entered the US market after a successful
sojourn in Asia. "IBM has a little bit of experience in this area,"
Miller jokes. PHT's Asian beachhead won't hurt DB2 in those markets,
either. "We're working closely with IBM Japan to address
internationalization," Miller says, adding this jab at his rivals:
"DB2 already runs on TurboLinux with support for Japanese, whereas
with some of the other distributions, support for Japanese is broken." 

If this seems like the perfect marriage of open source and binary-only
software vendors, it's not. Miller famously attributes part of the
success of TurboLinux in Asia to its laissez-faire attitude towards
software piracy. "With Linux, that's really not an issue," he says.
Add DB2 to TurboLinux CDs and unlicensed copying takes on a very
different complexion. Prial insists that the Chinese market is
changing and that pretty soon: "Software sales will become a good
source of revenue." Again, support will be the key. It may be easy for
Chinese companies to obtain unlicensed copies of DB2, but it will
remain difficult for them to obtain technical support unless they can
prove they have handed over the purchase
price.                                                                                                                             

© ComputerWire Inc, 1999.
-- 
.--------1---------2---------3---------4---------5---------6---------7---
  Eric Kimminau           eak@sgi.com       Electronic Support Tools
      Vox:248-848-4455  Fax:248-848-5600  VNET:6-327-4455  
              "I speak my mind and no one else's."
 "I am a bomb technician. If you see me running, try to keep up..."
                    http://support.sgi.com

From owner-linux@cthulhu.engr.sgi.com  Wed May 26 12:08:27 1999
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Date: Wed, 26 May 1999 12:05:33 -0700
To: linux@cthulhu.engr.sgi.com
From: "Robert Keller" <rck@corp.home.net>
Subject: after the kernel seems to live
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It looks like I've finally been able to get the 2.2.1 kernel booting
and trying to access its root filesystem over NFS on an NEC
DDB-VRC5074 development board.  I'm at the point where the
kernel is trying to run /sbin/init and things die because of illegal
instructions in init (I'm using the little endian mips root from
linux.sgi.com)

Where do I get the code for init, ld.so and all those vital root 
filesystem friends so that I can be sure that they are compiled
the way I want them?

...robert


From owner-linux@cthulhu.engr.sgi.com  Wed May 26 13:20:49 1999
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From: Harald Koerfgen <Harald.Koerfgen@home.ivm.de>
To: Robert Keller <rck@corp.home.net>
Subject: RE: after the kernel seems to live
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Robert,

On 26-May-99 Robert Keller wrote:
> 
> It looks like I've finally been able to get the 2.2.1 kernel booting
> and trying to access its root filesystem over NFS on an NEC
> DDB-VRC5074 development board.  I'm at the point where the
> kernel is trying to run /sbin/init and things die because of illegal
> instructions in init (I'm using the little endian mips root from
> linux.sgi.com)
> 
> Where do I get the code for init, ld.so and all those vital root 
> filesystem friends so that I can be sure that they are compiled
> the way I want them?

this is probably not the right place to ask this question,
linux-mips@fnet.fr would have been better, but I'll try to answer your
question anyway :-)

You may want to give
ftp://ftp.linux.sgi.com/pub/linux/mips/mipsel-linux/root/declinuxroot-99051
8.tgz
a try.

This rootimage is known to work on R3000 and R4000 DECstations and should
in theory work on all little endian MIPS boxen.
---
Regards,
Harald

From owner-linux@cthulhu.engr.sgi.com  Thu May 27 11:55:02 1999
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Date: Thu, 27 May 1999 12:18:40 +0200
From: Ralf Baechle <ralf@uni-koblenz.de>
To: Robert Keller <rck@corp.home.net>
Cc: linux@cthulhu.engr.sgi.com
Subject: Re: after the kernel seems to live
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On Wed, May 26, 1999 at 12:05:33PM -0700, Robert Keller wrote:

> It looks like I've finally been able to get the 2.2.1 kernel booting
> and trying to access its root filesystem over NFS on an NEC
> DDB-VRC5074 development board.  I'm at the point where the
> kernel is trying to run /sbin/init and things die because of illegal
> instructions in init (I'm using the little endian mips root from
> linux.sgi.com)

What CPU is being used on that eval board?  If it's one that isn't yet
supported in our sources then I suspect you have a problem either with the
cacheflushing routines themselfes or the calls to them in the network
driver.  What NIC are you using, btw?  We've got patches around for a
couple of those which are most often being used with MIPS machines.

> Where do I get the code for init, ld.so and all those vital root 
> filesystem friends so that I can be sure that they are compiled
> the way I want them?

Unless you're using extremly old binaries I'm highly confident that the
binaries which you are using are ok.

  Ralf

From owner-linux@cthulhu.engr.sgi.com  Thu May 27 04:03:56 1999
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Date: Thu, 27 May 1999 11:55:32 +0100 (BST)
From: Pete Young <pete@alien.bt.co.uk>
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Subject: X server update, observations on a successful installation
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Dear gurus,

I'd like to report a successful installation from the 5.1 distribution on a
Indy with 2 disks, building Linux on the second disk with no swap,
using the 2.2.1 version of the kernel dated 29 March 1999 from the test
directory.

Since we don't have bootp working (don't ask!) I put the vmlinux file on
the Irix file system and booted that from the sash prompt, using an
intel linux machine as an nfs server for the distribution.

Everything was fine once I used the ip kernel option to turn off
autoconfig. There's nothing about this in the notes but I figured it
out with some help from my colleagues. 

Something I note is that two routes were set up to the local subnet:
(at least according to the output of netstat -r)
Apparently you no longer need to do this by hand with kernels version 2.2.*
- this appears to happen in /etc/sysconfig/network-scripts/ifup .

Also, the default installation for portmap and ypbind starts them up in 
the wrong order: I gather this is a standard RedHat error?

Anyway, these are minor gripes not related to the HardHat distribution,
and the box rocks. However, not having an X-server is a bit painful.
I'm a bit confused about what is actually available: there seem to be
lots of x applications, XFree86 and so on in the RPMS directory, so
what's missing? A frame buffer?

Can anyone reading this give me an update on the likely availability of
the XServer? I'm not savvy enough to contribute to the code,
but I can now volunteer to beta-test it.

If you're still with me, I'd like to congratulate everyone involved in
the porting effort on doing an excellent job. Nice one!

Kind regards,

Pete


  ____________________________________________________________________
  Pete Young          pete@alien.bt.co.uk        Phone +44 1473 642740
      "Just another crouton, floating on the bouillabaisse of life"


From owner-linux@cthulhu.engr.sgi.com  Thu May 27 11:25:39 1999
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Anyone thought of porting this to IRIX?

http://www.sun.com/software/linux/lxrun/

From owner-linux@cthulhu.engr.sgi.com  Thu May 27 11:33:46 1999
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From: marker@daddyo.engr.sgi.com (Charles Marker)
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Subject: Re: Lxrun: Linux Applications for Solaris
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> 
> Anyone thought of porting this to IRIX?
> 
> http://www.sun.com/software/linux/lxrun/
> 

This could be useful for IRIX, but only to enable executing MIPS based
Linux binaries.  Lxrun is not an emulator, so you need to have
underlying Intel hardware in order to run Intel Linux binaries.  Sun
is providing this for Intel systems running Solaris where it could be
useful, but I don't know how useful this would be for SPARC based
systems (depending on the number of SPARC based Linux applications).

					Charles


From owner-linux@cthulhu.engr.sgi.com  Thu May 27 13:00:56 1999
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From: Ralf Baechle <ralf@uni-koblenz.de>
To: "Vladimir A. Roganov" <roganov@niisi.msk.ru>
Cc: linux@cthulhu.engr.sgi.com, linux-mips@fnet.fr,
        linux-mips@vger.rutgers.edu
Subject: Re: Platform-independent hack in ptrace.c
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On Thu, May 27, 1999 at 04:17:42PM +0400, Vladimir A. Roganov wrote:

> Does anybody know which kind of protection is encoded in ptrace.c:69:
> (function get_long)
> 
> 	/* This is a hack for non-kernel-mapped video buffers and similar */
> 	if (MAP_NR(page) >= MAP_NR(high_memory))
> 		return 0;
> 
> By this reason gdb shows all user-mapped io as zeros.
> 
> Same time, put_long enable to write to such memory !
> So when You enter something like 'set *p = 0xff' gdb'ing program 
> which has p->video_memory, You will see appearing pixels, but 'p *p' 
> prints only zeros.
> 
> Elimination of this check does not destroy something: gdb shows right
> values.
> 
> It looks clean that above problem is not very important, but just
> imagine programmer debugging some application for Linux used to control
> some device on MIPS embedded computer, which mmap'ed to device registers
> and don't understand why they are all clean :-)

Basically I think you're right.  However a correct patch is slightly more
complex and will acount for the fact that KSEG0 through which we route
the access is only 512mb large.  Therefore we might have to install a
temporary mapping and access memory through it, if outside of the 512mb.
The other bug is that memory accesses via ptrace for virtual addresses
which are uncached would be executed cached, trouble ahead.  Further
complexity is added by handling write buffers for the R3000 and
virtual coherency for R4000.

  Ralf

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Date: Thu, 27 May 1999 21:37:11 +0200
From: Ralf Baechle <ralf@uni-koblenz.de>
To: Pete Young <pete@alien.bt.co.uk>
Cc: linux@cthulhu.engr.sgi.com
Subject: Re: X server update, observations on a successful installation
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On Thu, May 27, 1999 at 11:55:32AM +0100, Pete Young wrote:

> Something I note is that two routes were set up to the local subnet:
> (at least according to the output of netstat -r)
> Apparently you no longer need to do this by hand with kernels version 2.2.*
> - this appears to happen in /etc/sysconfig/network-scripts/ifup .

This happens because we use an old version of net-tools in HardHat but
use a current kernel.  It's harmless however.  The solution is to
upgrade net-tools.

> Also, the default installation for portmap and ypbind starts them up in 
> the wrong order: I gather this is a standard RedHat error?

Yes, should be.

> Anyway, these are minor gripes not related to the HardHat distribution,
> and the box rocks. However, not having an X-server is a bit painful.
> I'm a bit confused about what is actually available: there seem to be
> lots of x applications, XFree86 and so on in the RPMS directory, so
> what's missing? A frame buffer?

The Indy hardware doesn't have a frame buffer which makes writing an
X server more difficult.  The X clients are working fine however.

  Ralf

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From: "Robert Keller" <rck@corp.home.net>
Subject: Re: after the kernel seems to live
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At 12:18 PM 5/27/99 +0200, Ralf Baechle wrote:
>What CPU is being used on that eval board?  If it's one that isn't yet
>supported in our sources then I suspect you have a problem either with the
>cacheflushing routines themselfes or the calls to them in the network
>driver.  What NIC are you using, btw?  We've got patches around for a
>couple of those which are most often being used with MIPS machines.

Its a VR5000 (D30500S2),  2.2.1 seems to recognize it as a
type 24 (0x18).  Presently, I'm using a PCI 3c905 despite the
fact that the eval board has a 21140 (albeit with a completely
bogus SROM) built in to it.  I have my own patches to 3c59x.c
tulip.c and even tlan.c to get them working to varying degrees.
I'd still be interested in comparing my patches with the ones
you have...

How can I make sure that I'm not haveing cacheflushing problems?

>Unless you're using extremly old binaries I'm highly confident that the
>binaries which you are using are ok.

I'm presently using declinuxroot-990518.tgz from ftp.linux.sgi.com,
so should I assume that it should just work?

I'll include the boot sequence below...

...robert

hello world
prom: start_kernel
prom: altuna_setup
prom: setup_arch done
prom: paging_init done
prom: trap_init done
prom: init_IRQ done
prom: sched_init done
prom: time_init done
prom: parse_options done
Loading R4000 MMU routines.
CPU revision is: 00002321
Primary instruction cache 32kb, linesize 32 bytes)
Primary data cache 32kb, linesize 32 bytes)
Linux version 2.2.1 (rck@senna.rest.home.net) (gcc version egcs-2.90.27 980315
(egcs-1.0.2 release)) #393 Wed May 26 17:23:24 PDT 1999
hello world (printk)
mips_cputype = 0x18
mips_machtype = 0x0
PCI controller (vendor 0x1033 - device 0x5a), revision 2.
calling paging_init with start = 0xa021f5c4, end = 0xa3fff000
pcictrl_l  = 0x80000000
pcictrl_h  = 0x20000000
intctrl_l  = 0x30000000
intctrl_h  = 0x000000a0
intstat0_l = 0x00000000
intstat0_h = 0x00000000
intstat1_l = 0x00000000
intstat1_h = 0x00040000
intclr_l   = 0x00000000
intclr_h   = 0x00000000
intppes_l  = 0x00000004
inside time_init
calculating r4koff... 000f425c(1000028)
parse_options, parsing ''
calling console_init with start = 0xa07c835c, end = 0xa3fff000
prom: console_init done
calling kmem_cache_init with start = 0xa07c835c, end = 0xa3fff000
kmem_cache_init done
Calibrating delay loop... 6.55 BogoMIPS
calibrate_delay done
Memory: 57556k/589820k available (924k kernel code, 6024k data)
mem_init done
kmem_cache_sizes_init 0xa07c9020/0xa07c9020
kmem_cache_sizes_init done
uidcache_init done
filescache_init done
dcache_init done
vma_init done
buffer_init done
signals_init done
inode_init done
file_table_init done
ipc_init done
Checking for 'wait' instruction...  available.
check_bugs done
POSIX conformance testing by UNIFIX
smp_init done
kernel_thread done
init
do_basic_setup
PCI: Probing PCI hardware
Linux NET4.0 for Linux 2.2
Based upon Swansea University Computer Society NET3.039
NET4: Unix domain sockets 1.0 for Linux NET4.0.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
Starting kswapd v 1.5 
chr_dev_init
tty_init
calling rs_init
Serial driver version 4.27 with no serial options enabled
autoconfig - port = 0xa60003f8
autoconfig - port = 0xbfa00300
ttyS00 at 0xa60003f8 (irq = 2) is a 16550A
ttyS01 at 0xbfa00300 (irq = 0) is a 8250
returned from rs_init
tty_init done
chr_dev_init done
RAM disk driver initialized:  16 RAM disks of 4096K size
loop: registered device at major 7
3c59x.c:v0.99H-WOL 2/24/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
eth0: 3Com 3c905 Boomerang 100baseTx at 0xa7000000,  00:60:08:31:06:75, IRQ 4
  Internal config register is 16302d8, transceivers 0xe040.
  8K word-wide RAM 3:5 Rx:Tx split, autoselect/MII interface.
  MII transceiver found at address 24, status 786d.
  Enabling bus-master transmits and whole-frame receives.
eth0: Overriding PCI latency timer (CFLT) setting of 0, new value is 32.
3c59x.c:v0.99H-WOL 2/24/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
3c59x.c:v0.99H-WOL 2/24/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
3c59x.c:v0.99H-WOL 2/24/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
3c59x.c:v0.99H-WOL 2/24/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
3c59x.c:v0.99H-WOL 2/24/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
3c59x.c:v0.99H-WOL 2/24/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
3c59x.c:v0.99H-WOL 2/24/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
3c59x.c:v0.99H-WOL 2/24/99 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
IP-Config: Entered.
eth0: Initial media type MII.
eth0: MII #24 status 786d, link partner capability 0021, setting half-duplex.
eth0: vortex_open() InternalConfig 016302d8.
request_irq 4, eth0 -> 0xa3ff7160
eth0: vortex_open() irq 4 media status 8802.
eth0:  Filling in the Rx ring.
IP-Config: Opened eth0 (able=3)
BOOTP: XID=e7505dc7
Sending BOOTP and RARP requests...<7>eth0: Trying to send a packet, Tx index 0.
ic_rarp_send
BOOTP: Got extension 01 ff ff ff 80
BOOTP: Got extension 03 18 00 13 81
BOOTP: Got extension 06 18 00 13 87
eth0: Trying to send a packet, Tx index 1.
. OK
ic_rarp_recv
IP-Config: Got BOOTP answer from 24.0.19.146, my address is 24.0.19.228
IP-Config: device=eth0, local=e4130018, server=92130018, boot=92130018,
gw=81130018, mask=80ffffff
IP-Config: host=24.0.19.228, domain=(none), path=`'
Looking up port of RPC 100003/2 on 24.0.19.146
eth0: Trying to send a packet, Tx index 2.
eth0: Trying to send a packet, Tx index 3.
Looking up port of RPC 100005/1 on 24.0.19.146
eth0: Trying to send a packet, Tx index 4.
eth0: Trying to send a packet, Tx index 5.
eth0: Trying to send a packet, Tx index 6.
VFS: Mounted root (NFS filesystem) readonly.
Freeing unused kernel memory: 44k freed
eth0: Trying to send a packet, Tx index 7.
eth0: Trying to send a packet, Tx index 8.
request_irq 2, serial -> 0xa3ff7a60
eth0: Trying to send a packet, Tx index 9.
eth0: Trying to send a packet, Tx index 10.
eth0: Trying to send a packet, Tx index 11.
eth0: Trying to send a packet, Tx index 12.
eth0: Trying to send a packet, Tx index 13.
eth0: Trying to send a packet, Tx index 14.
eth0: Trying to send a packet, Tx index 15.
eth0: Trying to send a packet, Tx index 16.
[init:1] Illegal instruction at a01cd3d4 ra=a01459b8
[init:1] Illegal instruction at a01cd3d8 ra=a01459b8
[init:1] Illegal instruction at a01cd3dc ra=a01459b8
[init:1] Illegal instruction at a01cd3e0 ra=a01459b8
[init:1] Illegal instruction at a01cd3e4 ra=a01459b8
[init:1] Illegal instruction at a01cd3e8 ra=a01459b8
[init:1] Illegal instruction at a01cd3ec ra=a01459b8
[init:1] Illegal instruction at a01cd3f0 ra=a01459b8
[init:1] Illegal instruction at a01cd3f4 ra=a01459b8
[init:1] Illegal instruction at a01cd3f8 ra=a01459b8
[init:1] Illegal instruction at a01cd3fc ra=a01459b8
[init:1] Illegal instruction at a01cd400 ra=a01459b8
[init:1] Illegal instruction at a01cd404 ra=a01459b8
[init:1] Illegal instruction at a01cd408 ra=a01459b8



From owner-linux@cthulhu.engr.sgi.com  Thu May 27 15:49:41 1999
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	Fri, 28 May 1999 00:46:32 +0200
Date: Fri, 28 May 1999 00:46:32 +0200
From: Ralf Baechle <ralf@uni-koblenz.de>
To: Robert Keller <rck@corp.home.net>
Cc: linux@cthulhu.engr.sgi.com
Subject: Re: after the kernel seems to live
Message-ID: <19990528004632.B608@uni-koblenz.de>
References: <4.1.19990526115716.03f65930@mail> <4.1.19990526115716.03f65930@mail> <19990527121840.T866@uni-koblenz.de> <4.1.19990527124423.00930cd0@mail>
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On Thu, May 27, 1999 at 01:03:32PM -0700, Robert Keller wrote:

> At 12:18 PM 5/27/99 +0200, Ralf Baechle wrote:
> >What CPU is being used on that eval board?  If it's one that isn't yet
> >supported in our sources then I suspect you have a problem either with the
> >cacheflushing routines themselfes or the calls to them in the network
> >driver.  What NIC are you using, btw?  We've got patches around for a
> >couple of those which are most often being used with MIPS machines.
> 
> Its a VR5000 (D30500S2),  2.2.1 seems to recognize it as a
> type 24 (0x18).  Presently, I'm using a PCI 3c905 despite the
> fact that the eval board has a 21140 (albeit with a completely
> bogus SROM) built in to it.  I have my own patches to 3c59x.c
> tulip.c and even tlan.c to get them working to varying degrees.
> I'd still be interested in comparing my patches with the ones
> you have...

The R5000 is supported and known to work.  You happen to have a
second level cache on that board?

> How can I make sure that I'm not haveing cacheflushing problems?

Debugging :-)

In particular the ring structures are nasty, allocate them as uncached
memory in KSEG1.  In general the rule is that you should try to handle
as much in uncached memory as possible when debugging such problems.
That's of course very bad for performance but it helps.

> I'm presently using declinuxroot-990518.tgz from ftp.linux.sgi.com,
> so should I assume that it should just work?

Yes, it should.

  Ralf

From owner-linux@cthulhu.engr.sgi.com  Fri May 28 07:22:44 1999
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Date: Fri, 28 May 1999 15:14:23 +0100 (BST)
From: Pete Young <pete@alien.bt.co.uk>
Reply-To: Pete Young <pete@alien.bt.co.uk>
Subject: glib (Was Re: X server update, observations on a successful installation)
To: ralf@uni-koblenz.de
Cc: linux@cthulhu.engr.sgi.com
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Ralf Baechle wrote:

> This happens because we use an old version of net-tools in HardHat but
> use a current kernel.  It's harmless however.  The solution is to
> upgrade net-tools.

Pulled down version 1.51 source from our nearest RedHat mirror and
built it. Still 2 routes to the local subnet. Editing
/etc/sysconfig/network-scripts/ipup and commenting out the route bit
stops it, but also removes the route to lo0. Not sure which is worse.

> The Indy hardware doesn't have a frame buffer which makes writing an
> X server more difficult.  The X clients are working fine however.

Thanks for the info. I look forward to the completion of the Xserver.

On a slightly different note, has anyone succeeded in building glib ?

I'm attempting to build glib-1.2.1   Compilation keels over in
testgthread complaining about undefined references to various pthread
functions:

gcc -g -O2 -Wall -D_REENTRANT -o .libs/testgthread testgthread.o 
../.libs/libglib.so .libs/libgthread.so -Wl,--rpath -Wl,/usr/local/lib
testgthread.o: In function `new_thread':
/usr/src/redhat/SOURCES/glib-1.2.1/gthread/testgthread.c:89: undefined reference 
to `pthread_create'
testgthread.o: In function `test_private':
/usr/src/redhat/SOURCES/glib-1.2.1/gthread/testgthread.c:197: undefined 
reference to `pthread_join'
.libs/libgthread.so: undefined reference to `pthread_getspecific'
.libs/libgthread.so: undefined reference to `pthread_key_create'
.libs/libgthread.so: undefined reference to `pthread_mutex_trylock'
.libs/libgthread.so: undefined reference to `pthread_cond_timedwait'
.libs/libgthread.so: undefined reference to `pthread_setspecific'
collect2: ld returned 1 exit status
make[2]: *** [testgthread] Error 1

Any suggestions welcomed. 

Kind regards,

Pete

  ____________________________________________________________________
  Pete Young          pete@alien.bt.co.uk        Phone +44 1473 642740
      "Just another crouton, floating on the bouillabaisse of life"


From owner-linux@cthulhu.engr.sgi.com  Sat May 29 16:42:49 1999
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Date: Sat, 29 May 1999 16:51:47 +0200
From: Ralf Baechle <ralf@uni-koblenz.de>
To: "Vladimir A. Roganov" <roganov@niisi.msk.ru>
Cc: linux@cthulhu.engr.sgi.com, linux-mips@fnet.fr,
        linux-mips@vger.rutgers.edu
Subject: Re: Platform-independent hack in ptrace.c
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On Fri, May 28, 1999 at 01:19:45PM +0400, Vladimir A. Roganov wrote:

> We implemented it by very interesting reason: old Baget uses special
> VIC register which exists on bus only (!!!) when interrupt is active.
> But interrupt can be deactivated by external reason. In such case
> IRQ handler catch SIGBUS, what crashes current process.
> 
> It was overwritten twice, and it looks debugged hardly :-)
> May be it can help here.
> 
> > The other bug is that memory accesses via ptrace for virtual addresses
> > which are uncached would be executed cached, trouble ahead.
> 
> YES, we obtained such effect.
> To avoid it we just moved to physical address space (high bits are ignored),
> but it is not good in general.
> 
> > Further complexity is added by handling write buffers for the R3000 and
> > virtual coherency for R4000.
>
> Yes, it should be tried to be fixed once for every arch.

That means we need something like read_phys() and write_phys() for all
CPU variants, even board variations.  The functions needs to get passed
an virtual address as well such that it can deal with virtual coherency
on R4000.

Then again R10k does this in hardware, so why bother ;-)

  Ralf

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From: Ralf Baechle <ralf@uni-koblenz.de>
To: Pete Young <pete@alien.bt.co.uk>
Cc: linux@cthulhu.engr.sgi.com
Subject: Re: glib (Was Re: X server update, observations on a successful installation)
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On Fri, May 28, 1999 at 03:14:23PM +0100, Pete Young wrote:

> > This happens because we use an old version of net-tools in HardHat but
> > use a current kernel.  It's harmless however.  The solution is to
> > upgrade net-tools.
> 
> Pulled down version 1.51 source from our nearest RedHat mirror and built
> it. Still 2 routes to the local subnet. Editing
> /etc/sysconfig/network-scripts/ipup and commenting out the route bit stops
> it, but also removes the route to lo0. Not sure which is worse.

Well, my advice was not complete.  Why upgrading net-tools is necessary you
also have to upgrade /sbin/ifup to a newer version.  The problem's cause is
that Linux 2.2 adds a route to every interface automatically.  The ifup
script then adds another route ...

> On a slightly different note, has anyone succeeded in building glib ?

Me :-)

> I'm attempting to build glib-1.2.1   Compilation keels over in
> testgthread complaining about undefined references to various pthread
> functions:
> 
> gcc -g -O2 -Wall -D_REENTRANT -o .libs/testgthread testgthread.o 
> ../.libs/libglib.so .libs/libgthread.so -Wl,--rpath -Wl,/usr/local/lib
> testgthread.o: In function `new_thread':
> /usr/src/redhat/SOURCES/glib-1.2.1/gthread/testgthread.c:89: undefined reference 
> to `pthread_create'
> testgthread.o: In function `test_private':
> /usr/src/redhat/SOURCES/glib-1.2.1/gthread/testgthread.c:197: undefined 
> reference to `pthread_join'
> .libs/libgthread.so: undefined reference to `pthread_getspecific'
> .libs/libgthread.so: undefined reference to `pthread_key_create'
> .libs/libgthread.so: undefined reference to `pthread_mutex_trylock'
> .libs/libgthread.so: undefined reference to `pthread_cond_timedwait'
> .libs/libgthread.so: undefined reference to `pthread_setspecific'
> collect2: ld returned 1 exit status
> make[2]: *** [testgthread] Error 1
> 
> Any suggestions welcomed. 

The program should be linked against libpthread, so the above link command
lacks the -lpthread option.  The question is now, why.  I think this happens
due to a bug which has been fixed in the meantime.  Please try to upgrade to
the libc from the Redhat 5.2 directory, does rebuilding work them?

  Ralf

