linux-kernel - BUG: sleeping function called from invalid context at include/linux/freezer.h:45

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Message-ID: <CAH9JG2XniMv5dVf1DixGNaQAJk-sZjnV9HfYeihEJP3JDyC4+Q@mail.gmail.com>
Date:	Tue, 10 Jan 2012 13:27:28 +0900
From:	Kyungmin Park <kmpark@...radead.org>
To:	Pavel Machek <pavel@....cz>, "Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Len Brown <len.brown@...el.com>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Tejun Heo <tj@...nel.org>
Subject: BUG: sleeping function called from invalid context at include/linux/freezer.h:45

Dear all

with the latest kernel. I got the below bug message.
It calls the sleep function. Does it intended operation?

static inline bool try_to_freeze(void)
{
        might_sleep();
        if (likely(!freezing(current)))
                return false;
        return __refrigerator(false);
}

# poweroff
[    6.852523] BUG: sleeping function called from invalid context at
include/linux/freezer.h:45
[    6.859489] in_atomic(): 0, irqs_disabled(): 128, pid: 1, name: init
[    6.865846] [<c0013508>] (unwind_backtrace+0x0/0xec) from
[<c0010124>] (do_signal+0x88/0x588)
[    6.874337] [<c0010124>] (do_signal+0x88/0x588) from [<c001063c>]
(do_notify_resume+0x18/0x38)
[    6.882928] [<c001063c>] (do_notify_resume+0x18/0x38) from
[<c000dc18>] (work_pending+0x24/0x28)

commit e4e11180dfa545233e5145919b75b7fac88638df
Merge: 37cfc3f adc0e91
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Mon Jan 9 17:37:37 2012 -0800

    Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vi

Thank you,
Kyungmin Park
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