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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Ingo Molnar <mingo@elte.hu>
Cc: Frederik Himpe <fhimpe@telenet.be>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.24 regression: pan hanging unkilleable and un-straceable
Date: Wed, 23 Jan 2008 10:00:29 +1100	[thread overview]
Message-ID: <200801231000.30020.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <20080122103708.GA21149@elte.hu>

On Tuesday 22 January 2008 21:37, Ingo Molnar wrote:
> * Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> > Well I've twice tried to submit a patch to print stacks for running
> > tasks as well, but nobody seems interested. It would at least give a
> > chance to see something.
>
> i definitely remembering having done this myself a couple of times (it
> makes tons of sense to get _some_ info out of the system) but some
> problem in -mm kept reverting it. I dont remember the specifics ... it
> was some race.

Hmm, that's not unlikely. But there is nothing in the backtrace code
which prevents a task from being woken up anyway, is there? I guess
it will be more common now, but if we find a race we can try to fix
the root cause.

      reply	other threads:[~2008-01-23  1:00 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-21 20:58 2.6.24 regression: pan hanging unkilleable and un-straceable Frederik Himpe
2008-01-22  0:05 ` Nick Piggin
2008-01-22  5:03   ` Mike Galbraith
2008-01-22  5:25     ` Nick Piggin
2008-01-22  5:47       ` Mike Galbraith
2008-02-04 14:49         ` Mike Galbraith
2008-02-04 23:02           ` Nick Piggin
2008-01-22 10:38       ` Ingo Molnar
2008-01-24  5:30       ` Valdis.Kletnieks
2008-01-26 13:29       ` Frederik Himpe
2008-01-26 13:46         ` Nick Piggin
2008-01-26 14:27           ` Pascal Terjan
2008-01-28  1:49             ` Nick Piggin
2008-01-28  1:46         ` Nick Piggin
2008-01-28 18:05           ` Frederik Himpe
2008-01-31 22:45           ` Frederik Himpe
2008-02-02  0:53             ` Nick Piggin
2008-01-22 10:37   ` Ingo Molnar
2008-01-22 23:00     ` Nick Piggin [this message]

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