linux-kernel - Re: BUG: sleeping function called from invalid context at kernel/sched.c:5558

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Date:	Mon, 3 Nov 2008 20:47:21 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Thomas Meyer <thomas@...3r.de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: BUG: sleeping function called from invalid context at
	kernel/sched.c:5558


* Thomas Meyer <thomas@...3r.de> wrote:

> False positive, while suspend/resume-to/from-disk?
> 
> [19332.352863] BUG: sleeping function called from invalid context at kernel/sched.c:5558
> [19332.352866] in_atomic(): 0, irqs_disabled(): 1, pid: 3287, name: pm-hibernate
> [19332.352869] Pid: 3287, comm: pm-hibernate Tainted: G        W  2.6.28-rc2 #97
> [19332.352871] Call Trace:
> [19332.352878]  [<c0436408>] __might_sleep+0xdc/0xe3
> [19332.352882]  [<c043bbde>] __cond_resched+0x12/0x36
> [19332.352886]  [<c09d29a8>] _cond_resched+0x27/0x32
> [19332.352889]  [<c0697d9c>] acpi_ps_complete_op+0x1e0/0x1ef
> [19332.352892]  [<c069884e>] ? acpi_ps_alloc_op+0x82/0x84
> [19332.352896]  [<c0689814>] ? acpi_ds_exec_end_op+0x30c/0x370
> [19332.352899]  [<c069839f>] acpi_ps_parse_loop+0x5f4/0x721
> [19332.352902]  [<c069779c>] acpi_ps_parse_aml+0x6d/0x267

Such messages are never false positives, this is a real bug.

	Ingo
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