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Old 09-16-2008, 10:51 PM
Sandro Tosi
Default Bug#499198: linux-image-2.6.26-1-amd64: complete system freeze

Package: linux-image-2.6.26-1-amd64
Version: 2.6.26-5
Severity: grave

this bug is somewhat related to #499046 and #498328: with the above kernel
version, after about 3 days of uptime the system completely freeze, without
writing anything in /var/log/{messages,kern.log,syslog}. Usually it's
anticipated by a crazy char repetition (like in #498328) or somethings by a
system slowdown until freeze.

This usually happen when I do something particular "heavy": like restarting a
service like mysql, or "apt-get"-ing something.

I cannot no anything; something the situation resolve like in #499046, so after
a couple of minutes I have access back to my workstation, other times I'm not
so lucky and the machine completely freezes, not even ssh remote access is

I'm available to do tests, if needed, and now I'm forced back to 2.6.25, hoping
the situation with this kernel will be better.

The machine is an up-to-date sid.


-- Package-specific info:

-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.25-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6.26-1-amd64 depends on:
ii debconf [debconf-2.0] 1.5.23 Debian configuration management sy
ii initramfs-tools [linux-initra 0.92j tools for generating an initramfs
ii module-init-tools 3.4-1 tools for managing Linux kernel mo

linux-image-2.6.26-1-amd64 recommends no packages.

Versions of packages linux-image-2.6.26-1-amd64 suggests:
ii lilo 1:22.8-6 LInux LOader - The Classic OS load
pn linux-doc-2.6.26 <none> (no description available)

-- debconf information:
linux-image-2.6.26-1-amd64/preinst/bootloader-initrd-2.6.26-1-amd64: true
linux-image-2.6.26-1-amd64/postinst/old-initrd-link-2.6.26-1-amd64: true
linux-image-2.6.26-1-amd64/postinst/old-system-map-link-2.6.26-1-amd64: true
linux-image-2.6.26-1-amd64/preinst/overwriting-modules-2.6.26-1-amd64: true
linux-image-2.6.26-1-amd64/preinst/lilo-initrd-2.6.26-1-amd64: true
linux-image-2.6.26-1-amd64/prerm/removing-running-kernel-2.6.26-1-amd64: true
linux-image-2.6.26-1-amd64/prerm/would-invalidate-boot-loader-2.6.26-1-amd64: true
linux-image-2.6.26-1-amd64/postinst/old-dir-initrd-link-2.6.26-1-amd64: true
linux-image-2.6.26-1-amd64/postinst/create-kimage-link-2.6.26-1-amd64: true
shared/kernel-image/really-run-bootloader: true
linux-image-2.6.26-1-amd64/postinst/depmod-error-initrd-2.6.26-1-amd64: false
linux-image-2.6.26-1-amd64/preinst/elilo-initrd-2.6.26-1-amd64: true
linux-image-2.6.26-1-amd64/postinst/depmod-error-2.6.26-1-amd64: false

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Old 09-21-2008, 02:34 PM
"Sandro Tosi"
Default Bug#499198: linux-image-2.6.26-1-amd64: complete system freeze

Hello Maximilian,
I'm not quite happy with your downgrade of #499198 to important since
this (together with #499046 and #498328) is a clear regretion from
2.6.25 and caused my data loss (hence it qualifies for severity

I'm on

$ uname -a
Linux zion 2.6.25-2-amd64 #1 SMP Mon Jul 14 11:05:23 UTC 2008 x86_64 GNU/Linux

since more than 4 days, and none of the above problem ever happened:

- the system runs fine, without any "mtrr: type mismatch", partial
freeze (#499046) or complete freeze (#499198)
- when typing, there are not char repetition or strange behavior (#498328)
- I'm running since 1day the long-running task mentioned in (#498328)
and it's using 100% of all 4 cores, without me even noticing it.

At last: those are all important bug and I believe #499198 to be RC.

I renew my willing to help you, just tell me how; but if the only
interaction you want to have with my bugs is via control server to
downgrade their severity, then I'll find other way to let my concerns
be known.


Sandro Tosi (aka morph, Morpheus, matrixhasu)
My website: http://matrixhasu.altervista.org/
Me at Debian: http://wiki.debian.org/SandroTosi

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