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

From: Markus Trippelsdorf
Date: Thu May 02 2013 - 10:07:01 EST


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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