Re: WARNING: CPU: 2 PID: 1 at arch/x86/mm/ioremap.c:171 __ioremap_caller+0x290/0x2fa()

Peter Zijlstra
2014-07-10T08:52:15Z

On Thu, Jul 10, 2014 at 10:44:21AM +0200, Peter Zijlstra wrote:
> On Wed, Jul 09, 2014 at 12:48:05PM -0700, Fabio Coatti wrote:
> > In data mercoledì 9 luglio 2014 11:54:21, Greg Kroah-Hartman ha scritto:
> >
> > > Try cc:ing everyone on that patch, with the original information you
> > > provided, and the linux-kernel mailing list. Those developers should be
> > > able to help you out properly.
> >
> > Ok, here you can find the description of a problem that I'm experiencing on
> > latest kernels, since 3.15.0. (this report comes from 3.15.4)
> >
> > lug 07 22:08:00 calvin kernel: resource map sanity check conflict: 0xfed10000
> > 0xfed15fff 0xfed10000 0xfed13fff reserved
> > lug 07 22:08:00 calvin kernel: ------------[ cut here ]------------
>
> I think this is a 'known' issue on Thinkpad (iirc). For some obscure
> reason its BIOS has funny ideas about resources etc.
>
> I couldn't quickly find the prvious thread, maybe Stephane knows.

Found it:

lkml.kernel.org/r/20140224162400.GE16457@pd.tnic