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Bug#361214: marked as done (linux-image-2.6.15-1-sparc64-smp: RED state exception crashes on sparc64 SMP)

Your message dated Wed, 18 Feb 2009 23:28:32 +0100
with message-id <20090218222832.GA5235@galadriel.inutil.org>
and subject line Re: linux-image-2.6.15-1-sparc64-smp: RED state exception crashes on sparc64 SMP
has caused the Debian Bug report #361214,
regarding linux-image-2.6.15-1-sparc64-smp: RED state exception crashes on sparc64 SMP
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
361214: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=361214
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.15-1-sparc64-smp
Version: 2.6.15-8
Severity: important

This error repeatadly happens, and is the main reason sparc is no
longer considered a release architecture, but I could not find a bug
filed for it.

Running with a serial consoled logged to another system, I was able to
catch the error messages.  They arn't completely consistant, so I'm
including them all below.  (A couple of weeks worth on my sparc
pbuilder system.)

Speculation: there has been a report that heavy disk I/O causes this
problem.  Since many of the messages have truncated kernel fault
messages, I guess that the system buffers a kernel fault message, then
tries to dump core causing a fault in the fault handler.  (I think
that's what a RED state exception is.)  Adding a delay or turning off
the kernel core dump may allow the full error message to be displayed.
The doubled characters may be due to both processors printing the same
message at the same time.

(All the RED state excpetion lines below were followed by the normal
reboot messages.)


sundry login: Unable to handle kernel NULL pointer dereference

RED State Exception

sundry:~#               \|/ ____ \
|/
              "@'/ .. \`@"
              /_| \__/ |K00//r  e
RED State Exception


sundry login: kernel BUG at arch/sparc64/mm/fault.c:273!
              \|/ ____ \|/
          #4
. 
RED State Exception


sundry login: Unable to handle kernel paging request at virtual address 00000000
000f4240
UnaUnnaabbllee  ttoo  hhaannddllee  kkeerrnneell  NNUULLLL  ppooiinntteerr  ddee
rreeffeerreennccee

UUnnaabbllee  ttoo  hhaannddllee  kkeerrnneell  NNUULLLL  ppooiinntteerr  ddeerr
eeffeerreennccee

UUnnaabbllee  ttoo  hhaannddllee  kkeerrnneell  NNUULLLL  ppooiinntteerr  ddeerr
eeffeerreennccee

UUnnaabbllee  ttoo  hhaannddllee  kkeerrnneell  NNUULLLL  ppooiinntteerr  ddeerr
eeffeerreennccee

U
RED State Exception


sundry login: 
RED State Exception

sundry login: kernel BUG pointer dce
<1>U handle kLL pointerence
<1to handle ULL pointerence
< to handl NULL poieference
e to handl NULL poreferencele to hanel NULL dereferenable to hrnel NULL pointer 
RED State Exception

sundry login:               \|/ ____ \|/
              "@'/ .. \`@"
              /_| \l:0 

RED State Exception

sundry login:               \|/ ____ \|/
              "@'/ .. \`@"
              /_| \l:0 

RED State Exception

sundry login: UnaUnnaabbllee  ttoo  hhaannddllee  kkeerrnneell  NNUULLLL  ppooii
nntteerr  ddeerreeffeerreennccee

UUnnaabbllee  ttoo  hhaannddllee  kkeerrnneell  NNUULLLL  ppooiinntteerr  ddeerr
eeffeerreennccee

UUnnaabbllee  ttoo  hhaannddllee  kkeerrnneell  NNUULLLL  ppooiinntteerr  ddeerr
eeffeerrreennccee
UUnnaabbllee  ttoo  hhaannddllee  kkeerrnneell  NNUULLLL  ppooiinntteerr  ddeerr
eeffeerreennccee

UUnnaabbllee  ttoo  hhaannddllee  kkeerrnneell  NNUULLLL  ppooiinntteerr  ddeerr
eeff
RED State Exception



-- System Information:
Debian Release: testing/unstable
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: sparc (sparc64)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.15-1-sparc64-smp
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)

Versions of packages linux-image-2.6.15-1-sparc64-smp depends on:
ii  initramfs-tools [linux-initra 0.59b      tools for generating an initramfs
ii  module-init-tools             3.2.2-2    tools for managing Linux kernel mo

linux-image-2.6.15-1-sparc64-smp recommends no packages.

-- debconf information:
  linux-image-2.6.15-1-sparc64-smp/postinst/old-dir-initrd-link-2.6.15-1-sparc64-smp: true
  linux-image-2.6.15-1-sparc64-smp/prerm/removing-running-kernel-2.6.15-1-sparc64-smp: true
  linux-image-2.6.15-1-sparc64-smp/prerm/would-invalidate-boot-loader-2.6.15-1-sparc64-smp: true
  linux-image-2.6.15-1-sparc64-smp/postinst/old-system-map-link-2.6.15-1-sparc64-smp: true
  linux-image-2.6.15-1-sparc64-smp/preinst/overwriting-modules-2.6.15-1-sparc64-smp: true
  linux-image-2.6.15-1-sparc64-smp/preinst/abort-install-2.6.15-1-sparc64-smp:
  linux-image-2.6.15-1-sparc64-smp/preinst/already-running-this-2.6.15-1-sparc64-smp:
  linux-image-2.6.15-1-sparc64-smp/preinst/failed-to-move-modules-2.6.15-1-sparc64-smp:
  linux-image-2.6.15-1-sparc64-smp/postinst/old-initrd-link-2.6.15-1-sparc64-smp: true
  linux-image-2.6.15-1-sparc64-smp/postinst/depmod-error-2.6.15-1-sparc64-smp: false
  linux-image-2.6.15-1-sparc64-smp/preinst/lilo-has-ramdisk:
  linux-image-2.6.15-1-sparc64-smp/postinst/bootloader-test-error-2.6.15-1-sparc64-smp:
  linux-image-2.6.15-1-sparc64-smp/postinst/bootloader-error-2.6.15-1-sparc64-smp:
  linux-image-2.6.15-1-sparc64-smp/preinst/lilo-initrd-2.6.15-1-sparc64-smp: true
  linux-image-2.6.15-1-sparc64-smp/postinst/kimage-is-a-directory:
  linux-image-2.6.15-1-sparc64-smp/postinst/depmod-error-initrd-2.6.15-1-sparc64-smp: false
  linux-image-2.6.15-1-sparc64-smp/preinst/initrd-2.6.15-1-sparc64-smp:
  linux-image-2.6.15-1-sparc64-smp/preinst/elilo-initrd-2.6.15-1-sparc64-smp: true
  linux-image-2.6.15-1-sparc64-smp/preinst/abort-overwrite-2.6.15-1-sparc64-smp:
  linux-image-2.6.15-1-sparc64-smp/postinst/create-kimage-link-2.6.15-1-sparc64-smp: true
  linux-image-2.6.15-1-sparc64-smp/preinst/bootloader-initrd-2.6.15-1-sparc64-smp: true

--- End Message ---
--- Begin Message --- 
On Fri, Apr 07, 2006 at 01:22:52AM -0700, Blars Blarson wrote:
> Package: linux-image-2.6.15-1-sparc64-smp
> Version: 2.6.15-8
> Severity: important
> 
> This error repeatadly happens, and is the main reason sparc is no
> longer considered a release architecture, but I could not find a bug
> filed for it.
> 
> Running with a serial consoled logged to another system, I was able to
> catch the error messages.  They arn't completely consistant, so I'm
> including them all below.  (A couple of weeks worth on my sparc
> pbuilder system.)
> 
> Speculation: there has been a report that heavy disk I/O causes this
> problem.  Since many of the messages have truncated kernel fault
> messages, I guess that the system buffers a kernel fault message, then
> tries to dump core causing a fault in the fault handler.  (I think
> that's what a RED state exception is.)  Adding a delay or turning off
> the kernel core dump may allow the full error message to be displayed.
> The doubled characters may be due to both processors printing the same
> message at the same time.
> 
> (All the RED state excpetion lines below were followed by the normal
> reboot messages.)

This bug report has been pinged at least twice for more
information, so I'm closing it now.

If anyone reencounters the problem, please reopen this
bug.

Cheers,
        Moritz

--- End Message ---
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