linux-kernel - Re: Soft lockup during suspend since ~2.6.36 [bisected]

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Message-ID: <BANLkTinK3jZmKewkbtmOn54cRXhszh_5sQ@mail.gmail.com>
Date:	Fri, 29 Apr 2011 01:56:46 +0200
From:	Thilo-Alexander Ginkel <thilo@...kel.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	Arnd Bergmann <arnd@...db.de>, "Rafael J. Wysocki" <rjw@...k.pl>,
	linux-kernel@...r.kernel.org, dm-devel@...hat.com
Subject: Re: Soft lockup during suspend since ~2.6.36 [bisected]

On Thu, Apr 28, 2011 at 12:30, Tejun Heo <tj@...nel.org> wrote:
> Does your kernel have preemption enabled?

CONFIG_PREEMPT is not set

> If not, does the following patch fix the problem?

Yep, looks good so far (at least in my virtualized test environment):
2.6.39-rc4 with your patch applied survived 100 suspend/resume cycles
w/o locking up.

Just out of curiosity: Was this a new issue in 2.6.39-rc4 ord could
this fix be backported to 2.6.38?

Thanks,
Thilo
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