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SubjectRe: [Bug #11947] 2.6.28-rc VC switching with Intel graphics broken
Hello,

> On Monday, November 24, 2008 12:47 am Romano Giannetti (lists) wrote:
>> Rafael J. Wysocki wrote:
>>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11947
>>> Subject : 2.6.28-rc VC switching with Intel graphics broken
>>> Submitter : Romano Giannetti <romano.giannetti@gmail.com>
>>> Date : 2008-11-03 12:10 (20 days old)
>>> Handled-By : Jesse Barnes <jbarnes@virtuousgeek.org>
>> Still with us on -rc6, nasty, reproducible, no clues on what can be.
>>
>> VC switch locks or delay the systems minutes, resuming from suspend locks
>> hard the machine.
>>
>> 2.6.28-rc is unusable here.
>>
>> Jesse, any hints? My suspicion that it can be the same thing happened with
>> bug 10620 is wrong? (It was a very similar error about vblank...)
>
> Just added to the bug, it looks like a DUP of an issue Keith just fixed last
> week (now to make sure the patch makes it upstream quickly).

I can confirm that, with the patch from
http://lists.freedesktop.org/archives/intel-gfx/2008-November/000614.html
applied on top of current git head (rejected hunk in
drivers/gpu/drm/i915/915_irq.c due to the additional
dev_priv->irq_mask_reg = ~0; in git between the removed lines, I kept
it) I can suspend/resume and do a VC switch again.

Big thanks!

Bernhard


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