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Bug#527446: linux-image-2.6.29-1-686: scheduler freezes the system



On Thu, 2009-05-07 at 17:24 +0200, akn@xylab.com wrote:
> Package: linux-image-2.6.29-1-686
> Version: 2.6.29-3
> Severity: important
> 
> At least once a day system freezes:
> - all running processes are scheduled (X, Firefox, mplayer, Apache2)
> - top shows 'load average' above 500! (usually below 10)
> - NEW process cannot be started!
> I'm not running any VMs.
> CPU is Intel Core2 Quad 9300.
> 
> The message: 
> "INFO: task cron blocked for more than 120 seconds"
> was displayed with packages linux-image-2.6.26-1-686 and linux-image-2.6.26-2-686.
> 
> This bug is not corrected for several months.
> See bugs: 
> #499745: linux-image-2.6.26-1-xen-686: freezes under Xen 3.2.0
> #516374: INFO: task * blocked for more than 120 seconds. (ubuntu bug #276476)
> #517449: linux-image-2.6.26-1-amd64: SCHED_IDLE issues (tasks blocked for more
> than 120 seconds)
> #517586: "INFO: task * blocked for more than 120 seconds" causes system freeze

This message is a symptom of a class of bugs, not a single bug.

> For me it means that there is no Debian STABLE version,
> because of the bug in the most basic place in the kernel of operating system.
> Please, please, please - repair it.

Please send a proper kernel log, not a single error message.

Ben.

-- 
Ben Hutchings
DNRC Motto:  I can please only one person per day.
Today is not your day.  Tomorrow isn't looking good either.

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