Re: [Bug #16294] [Q35 bisected] hang at init of i915 driver

[Tim Gardner]

On 07/09/2010 02:56 PM, Rafael J. Wysocki wrote:
> On Friday, July 09, 2010, Kees Cook wrote:
> > Hi Rafael,
> >
> > On Fri, Jul 09, 2010 at 01:41:39AM +0200, Rafael J. Wysocki wrote:
> > > The following bug entry is on the current list of known regressions
> > > from 2.6.34.  Please verify if it still should be listed and let the tracking team
> > > know (either way).
> >
> > Yup, this is still a regression.  The fix is trivial (see below).
>
> Thanks for the update.
>
> > > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=16294
> > > Subject		: [Q35 bisected] hang at init of i915 driver
> > > Submitter	: Kees Cook<kees@xxxxxxxxxxx>
> > > Date		: 2010-06-25 18:20 (14 days old)
> > > First-Bad-Commit: http://git.kernel.org/linus/f1befe71fa7a79ab733011b045639d8d809924ad
> >
> > diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
> > index 9344216..0d9007d 100644
> > --- a/drivers/char/agp/intel-gtt.c
> > +++ b/drivers/char/agp/intel-gtt.c
> > @@ -1229,6 +1229,7 @@ static int intel_i915_get_gtt_size(void)
> >   				(gmch_ctrl&  G33_PGETBL_SIZE_MASK));
> >   			size = 512;
> >   		}
> > +		size = 1024;
> >   	} else {
> >   		/* On previous hardware, the GTT size was just what was
> >   		 * required to map the aperture.
>
> Rafael
> --

Rafael - I forgot to Cc you on the patch I just sent to Dave Arlie. Kees 
has confirmed that it fixes his problem.

http://marc.info/?l=linux-kernel&m=127870855118533&w=2

rtg
--
Tim Gardner tim.gardner@xxxxxxxxxxxxx
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