linux-kernel - Re: BUG: sleeping function called from invalid context at /usr/local/src/linux-3.4-rc1/include/linux/freezer.h:46

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Date:	Fri, 20 Apr 2012 17:58:09 +0530
From:	Rabin Vincent <rabin@....in>
To:	Lothar Waßmann <LW@...o-electronics.de>
Cc:	linux-kernel@...r.kernel.org,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: BUG: sleeping function called from invalid context at /usr/local/src/linux-3.4-rc1/include/linux/freezer.h:46

On Wed, Apr 4, 2012 at 12:32, Lothar Waßmann <LW@...o-electronics.de> wrote:
> commit a0acae0e added a might_sleep() to try_to_freeze() in
> include/linux/freezer.h.
> This leads to the following BUG message each time a process is started
> when compiled with CONFIG_DEBUG_ATOMIC_SLEEP=y
>
> |BUG: sleeping function called from invalid context at /usr/local/src/linux-3.4-rc1/include/linux/freezer.h:46
> |in_atomic(): 0, irqs_disabled(): 128, pid: 619, name: rc

This is on ARM, right?  In this old thread, there is a patch from
Russell which fixes it, but it seems to have not been applied:

https://lkml.org/lkml/2011/8/25/231
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