linux-kernel - Re: 2.6.28-rc2-mm1: multiple BUG: scheduling while atomic: swapper, first in acpi_idle_enter

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Message-ID: <20081107104420.GB2146@elf.ucw.cz>
Date:	Fri, 7 Nov 2008 11:44:20 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	Len Brown <lenb@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-acpi@...r.kernel.org
Subject: Re: 2.6.28-rc2-mm1: multiple BUG: scheduling while atomic:
	swapper, first in acpi_idle_enter_simple, then fbcon has problems

On Thu 2008-11-06 13:56:16, Len Brown wrote:
> 
> 
> > > ...kernel contains experimental version of HP accelerometer driver and
> > > new HP acclerometer LED, but hopefully they are not causing this?
> > > 
> > 
> > The trace is a bit of a mess, but we first hit problems around
> > acpi_idle(), so I'd be suspecting acpi, x86 or sched-type changes.
> 
> try "idle=poll" to run none of the ACPI idle code.
> or "idle=halt" to just flirt with the idle code.

I'll try that if the problem happens. I had problems twice on two
boots, but then it started to behave, so...
									Pavel
-- 
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