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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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