linux-kernel - Re: 2.6.21-rc7-mm1 + sysfs-oops-workaround.patch -- software suspend failed (1 tasks refusing to freeze)

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Message-ID: <a44ae5cd0704242249i210ba860i659c230b5dbb211c@mail.gmail.com>
Date:	Tue, 24 Apr 2007 22:49:48 -0700
From:	"Miles Lane" <miles.lane@...il.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"Oleg Nesterov" <oleg@...sign.ru>
Subject: Re: 2.6.21-rc7-mm1 + sysfs-oops-workaround.patch -- software suspend failed (1 tasks refusing to freeze)

On 4/24/07, Andrew Morton <akpm@...ux-foundation.org> wrote:
> On Tue, 24 Apr 2007 22:27:44 -0700 "Miles Lane" <miles.lane@...il.com> wrote:
>
> > [ 1251.506964] PM: Preparing system for mem sleep
> > [ 1251.514790] Stopping tasks ...
> > [ 1271.456065] Stopping user space processes timed out after 20
> > seconds (1 tasks refusing to freeze):
> > [ 1271.456243]  multiload-apple
> > [ 1271.456291] Restarting tasks ... done.
> >
> > This isn't happening under earlier builds I've tested.  How can I debug this?
> >
>
> hm, that's multiload-applet, some gnome thing.
>
> sysrq-T, perhaps?  Perhaps the process is sleeping in the kernel somewhere.

Should I wait for the next patch from Tejun before retesting?  Perhaps
this suspend problem is a side effect of the locking problem he
mentioned.

         Miles
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