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Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks

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From: Arjan van de Ven
Subject: Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
Date: Sunday, December 2, 2007 - 3:43 pm

On Sun, 2 Dec 2007 21:47:25 +0100
Andi Kleen <andi@firstfloor.org> wrote:


"pretty bad" as in "a few people see warnings in their dmesg" ?
And TASK_KILLABLE is hopefully about to get merged anyway.


We really need to get better diagnostics for the
bad-kernel-behavior-that-is-seen-as-bug cases. If we ever want to get
to the scenario where we have a more or less robust measure of kernel
quality (and we're not all that far off for several cases), one thing
we need keep doing is have the kernel detect bad cases as much as
possible. This patch is a step in the right direction there, by quite a
lot.

I really don't understand what your objection is to this patch... is it
that an enterprise distro can't ship with it on? (Which is fine btw)



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Messages in current thread:
[feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks, Ingo Molnar, (Sat Dec 1, 2:20 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., David Rientjes, (Sat Dec 1, 11:31 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Sat Dec 1, 11:33 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Oeser, (Sat Dec 1, 5:54 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Sun Dec 2, 1:58 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., David Rientjes, (Sun Dec 2, 8:52 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Sun Dec 2, 11:57 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Sun Dec 2, 11:59 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Arjan van de Ven, (Sun Dec 2, 12:41 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Sun Dec 2, 1:08 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Sun Dec 2, 1:26 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Sun Dec 2, 1:47 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Sun Dec 2, 2:10 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Sun Dec 2, 2:19 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Sun Dec 2, 2:24 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Sun Dec 2, 2:34 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Arjan van de Ven, (Sun Dec 2, 3:18 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Sun Dec 2, 3:20 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Arjan van de Ven, (Sun Dec 2, 3:43 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Sun Dec 2, 5:00 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Sun Dec 2, 5:07 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Arjan van de Ven, (Sun Dec 2, 5:59 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Mon Dec 3, 2:55 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Radoslaw Szkodzinski, (Mon Dec 3, 3:15 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Mon Dec 3, 3:23 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Mon Dec 3, 3:27 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Mon Dec 3, 3:38 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Mon Dec 3, 4:04 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Mon Dec 3, 4:59 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Mon Dec 3, 5:13 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Mon Dec 3, 5:28 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Mon Dec 3, 5:41 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Mon Dec 3, 6:00 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Mon Dec 3, 6:14 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Pekka Enberg, (Mon Dec 3, 6:50 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Mon Dec 3, 6:57 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Mon Dec 3, 7:14 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Mon Dec 3, 7:19 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Arjan van de Ven, (Mon Dec 3, 8:23 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andi Kleen, (Mon Dec 3, 9:36 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Andrew Morton, (Mon Dec 3, 10:57 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Rafael J. Wysocki, (Mon Dec 3, 11:28 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Mon Dec 3, 12:24 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Rafael J. Wysocki, (Mon Dec 3, 3:47 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Ingo Molnar, (Mon Dec 3, 5:05 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIB ..., Mark Lord, (Wed Dec 5, 3:31 pm)