linux-kernel - Re: rt-kernel 3.0.14-rt31: BUG: sleeping function called from invalid context

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Date:	Thu, 19 Jan 2012 11:38:37 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	John Kacur <jkacur@...hat.com>
Cc:	Karsten Wiese <fzuuzf@...glemail.com>,
	LKML <linux-kernel@...r.kernel.org>,
	RT <linux-rt-users@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: rt-kernel 3.0.14-rt31: BUG: sleeping function called from
 invalid context

On Thu, 2012-01-19 at 17:16 +0100, John Kacur wrote:

> I'm testing v3.0.14-rt32-rc1, and it greatly reduced the number of
> these, but I still got one during boot.
> 
> [   11.938649] BUG: sleeping function called from invalid context at
> /home/jkacur/rt.linux.git/kernel/rtmutex.c:645
> [   11.938651] in_atomic(): 1, irqs_disabled(): 1, pid: 168, name: irq/9-acpi
> [   11.938653] 1 lock held by irq/9-acpi/168:
> [   11.938653]  #0:  (acpi_gbl_gpe_lock){......}, at:
> [<ffffffff8123881d>] acpi_ev_gpe_detect+0x31/0x110

Could you test 3.2-rt. If that has the issue then we know we have more
to fix. If not, we know I missed a patch.

-- Steve


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