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From: Artem Savkov <artem.savkov@gmail.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: cpufreq@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Viresh Kumar <viresh.kumar@linaro.org>
Subject: Re: [BUG] cpufreq: sleeping function called from invalid context at kernel/workqueue.c:2811
Date: Thu, 7 Feb 2013 10:27:44 +0400	[thread overview]
Message-ID: <20130207062743.GA4388@thinkpad.lan> (raw)
In-Reply-To: <1873989.qC1mdEKIl9@vostro.rjw.lan>

On Thu, Feb 07, 2013 at 01:41:57AM +0100, Rafael J. Wysocki wrote:
> On Wednesday, February 06, 2013 10:11:25 PM Rafael J. Wysocki wrote:
> > On Thursday, February 07, 2013 12:25:13 AM Artem Savkov wrote:
> > > I get the following BUG on suspend using systemd-sleep(this doesn't
> > > happen with pm-suspend). This seems to be introduced by some of the
> > > Viresh's patches.
> > 
> > Which branch from which day?

The log is from linux-next-20130205, still reproducible on -20130206

> OK, I've reproduced it and the appended patch fixes it for me.  Can you please
> try it and report back?

I've tried the patch and the bug is still reproducible. I might be wrong
but it seems that the bug happens on first __cpufreq_remove_dev
call(CPU1) on __cpufreq_governor(data, CPUFREQ_GOV_STOP) call (line
~1050) but changes in your patch are all below that call.

-- 
Kind regards,
Artem

  reply	other threads:[~2013-02-07  6:27 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-06 20:25 [BUG] cpufreq: sleeping function called from invalid context at kernel/workqueue.c:2811 Artem Savkov
2013-02-06 21:11 ` Rafael J. Wysocki
2013-02-07  0:41   ` Rafael J. Wysocki
2013-02-07  6:27     ` Artem Savkov [this message]
2013-02-08  5:54     ` Viresh Kumar
2013-02-08 13:23       ` Rafael J. Wysocki
2013-02-07 10:30 ` Viresh Kumar

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