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SubjectRe: [Bug #16294] [Q35 bisected] hang at init of i915 driver
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@outflux.net>
>>> 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@canonical.com


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