From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Meyer <thomas@m3y3r.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Len Brown <lenb@kernel.org>,
"Moore, Robert" <robert.moore@intel.com>
Subject: Re: BUG: sleeping function called from invalid context at kernel/sched.c:5558
Date: Tue, 4 Nov 2008 01:53:15 +0100 [thread overview]
Message-ID: <200811040153.16514.rjw@sisk.pl> (raw)
In-Reply-To: <20081103194721.GA16897@elte.hu>
On Monday, 3 of November 2008, Ingo Molnar wrote:
>
> * Thomas Meyer <thomas@m3y3r.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.
Well, not sure.
This is the ACPI AML interpreter executing something with interrupts disabled
due to resume in progress (effectively atomic context).
Thanks,
Rafael
prev parent reply other threads:[~2008-11-04 0:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-03 18:19 BUG: sleeping function called from invalid context at kernel/sched.c:5558 Thomas Meyer
2008-11-03 19:47 ` Ingo Molnar
2008-11-04 0:53 ` Rafael J. Wysocki [this message]
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