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

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Date:	Tue, 17 Jan 2012 20:02:05 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Karsten Wiese <fzuuzf@...glemail.com>
Cc:	John Kacur <jkacur@...hat.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 Wed, 2012-01-18 at 00:53 +0100, Karsten Wiese wrote:

> The bug happens because acpi_ev_gpe_detect does
> raw_spin_lock_irqsave(&acpi_gbl_gpe_lock, flags) before it calls
> acpi_ev_gpe_dispatch.

Correct. I believe there's a fix in the 3.2-rt. I'm working on getting
the updates from it to the stable tree.

-- Steve


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