From: rjw@sisk.pl (Rafael J. Wysocki)
To: linux-arm-kernel@lists.infradead.org
Subject: try_to_freeze() called with IRQs disabled on ARM
Date: Tue, 23 Aug 2011 23:51:55 +0200 [thread overview]
Message-ID: <201108232351.55432.rjw@sisk.pl> (raw)
In-Reply-To: <20110823151936.GM9232@opensource.wolfsonmicro.com>
On Tuesday, August 23, 2011, Mark Brown wrote:
> The recent series of commits reworking the freezer appear to have
> caused serious issues on ARM. The kernel constantly complains that
> try_to_freeze() is bring called with interrupts disabled:
>
> [ 75.380000] BUG: sleeping function called from invalid context at include/linux/freezer.h:44
> [ 75.380000] in_atomic(): 0, irqs_disabled(): 128, pid: 1517, name: Xorg
> [ 75.380000] no locks held by Xorg/1517.
> [ 75.380000] [<c0014308>] (unwind_backtrace+0x0/0x12c) from
> [<c0464400>] (dump_stack+0x20/0x24)
> [ 75.380000] [<c0464400>] (dump_stack+0x20/0x24) from [<c0022b80>]
> (__might_sleep+0xfc/0x11c)
> [ 75.380000] [<c0022b80>] (__might_sleep+0xfc/0x11c) from [<c0011520>]
> (do_signal+0x94/0x230)
> [ 75.380000] [<c0011520>] (do_signal+0x94/0x230) from [<c00116e4>]
> (do_notify_resume+0x28/0x6c)
> [ 75.380000] [<c00116e4>] (do_notify_resume+0x28/0x6c) from
> [<c000eaf8>] (work_pending+0x24/0x28)
>
> and the boot runs very slowly. Reverting the series merged in 56f0be
> appears to resolve the issue,
In fact, the patch from:
https://patchwork.kernel.org/patch/1083602/
is sufficient to make the calltrace go away.
next prev parent reply other threads:[~2011-08-23 21:51 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-23 15:19 try_to_freeze() called with IRQs disabled on ARM Mark Brown
2011-08-23 15:43 ` Russell King - ARM Linux
2011-08-23 22:08 ` Rafael J. Wysocki
2011-08-23 21:51 ` Rafael J. Wysocki [this message]
2011-08-23 21:53 ` Tejun Heo
2011-08-23 22:00 ` Russell King - ARM Linux
2011-08-23 22:08 ` Tejun Heo
2011-08-23 22:13 ` Russell King - ARM Linux
2011-08-23 22:17 ` Tejun Heo
2011-08-23 22:35 ` Tejun Heo
2011-08-24 23:15 ` Rafael J. Wysocki
2011-08-25 12:14 ` Russell King - ARM Linux
2011-08-25 12:17 ` Tejun Heo
2011-08-25 12:25 ` Russell King - ARM Linux
2011-08-25 12:35 ` Tejun Heo
2011-08-25 13:04 ` Russell King - ARM Linux
2011-08-25 13:09 ` Tejun Heo
2011-08-25 14:55 ` Russell King - ARM Linux
2011-08-26 14:44 ` Arnd Bergmann
2011-09-01 13:41 ` Ulrich Weigand
2011-09-01 14:00 ` Russell King - ARM Linux
2011-09-02 14:47 ` Ulrich Weigand
2011-09-02 17:22 ` Russell King - ARM Linux
2011-09-02 17:40 ` Ulrich Weigand
2011-09-02 17:48 ` Russell King - ARM Linux
2011-09-16 10:31 ` Martin Schwidefsky
2011-09-27 17:45 ` Ulrich Weigand
2011-08-30 20:58 ` Mark Brown
2011-08-30 21:10 ` Russell King - ARM Linux
2012-06-26 16:39 ` Mandeep Singh Baines
2012-06-26 17:16 ` Russell King - ARM Linux
2011-08-23 22:13 ` Rafael J. Wysocki
2011-08-25 11:37 ` Mark Brown
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