linux-kernel - Re: 2.6.22-rc2-mm1

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Message-Id: <200705231122.30756.rjw@sisk.pl>
Date:	Wed, 23 May 2007 11:22:29 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Pavel Machek <pavel@....cz>, linux-usb-devel@...ts.sourceforge.net,
	Oleg Nesterov <oleg@...sign.ru>, linux-kernel@...r.kernel.org,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: 2.6.22-rc2-mm1

On Wednesday, 23 May 2007 09:48, Andrew Morton wrote:
> On Wed, 23 May 2007 00:42:33 -0700 Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc2/2.6.22-rc2-mm1/
> 
> This is intermittently getting resume-from-RAM failures.  It is not
> sufficiently repeatable to be able to bisect.
> 
> [ 1381.119362] PM: Preparing system for mem sleep
> [ 2331.798452] Stopping tasks ... 
> [ 2351.760431] Stopping kernel threads timed out after 20 seconds (2 tasks refusing to freeze):
> [ 2351.762385]  ksuspend_usbd
> [ 2351.764374]  khubd
> [ 2351.766338] Restarting tasks ... done.

Hmm, that seems to be related to usb-fix-suspend-to-ram.patch (probably one of
the threads is waiting for a completion by some other thread that has been
frozen already).

Greetings,
Rafael
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