linux-kernel - Re: WARNING: at kernel/cpu/idle.c:96

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Message-ID: <20130502140654.GA509@x4>
Date:	Thu, 2 May 2013 16:06:54 +0200
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: WARNING: at kernel/cpu/idle.c:96

On 2013.05.02 at 15:58 +0200, Thomas Gleixner wrote:
> On Thu, 2 May 2013, Markus Trippelsdorf wrote:
> > On 2013.05.02 at 12:43 +0200, Thomas Gleixner wrote:
> > > On Tue, 30 Apr 2013, Markus Trippelsdorf wrote:
> > > 
> > > > Just booted todays git tree and got the following warning:
> > > > 
> > > > ------------[ cut here ]------------
> > > > WARNING: at kernel/cpu/idle.c:96 cpu_startup_entry+0x14d/0x160()
> > > > Hardware name: System Product Name
> > > > Pid: 0, comm: swapper/2 Not tainted 3.9.0-03462-gab86e97-dirty #424
> > > > Call Trace:
> > > > smpboot: Booting Node   0, Processors  #1 #2
> > > >  [<ffffffff8105b7c0>] ? warn_slowpath_common+0x60/0xa0
> > > >  [<ffffffff8108c26d>] ? cpu_startup_entry+0x14d/0x160
> > > > ---[ end trace 40a24a5550891913 ]---
> > > 
> > > Fix below.
> > 
> > Unfortunately the fix doesn't work:
> 
> Moo. I missed amd_e400_idle() returning early w/o enabling interrupts.

This fixes the issue. Thanks.

-- 
Markus
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