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SubjectRe: Intel 915GM MCHBAR bug
Hi Andrew,

On Sat, 06 Jun 2009 09:14:41 +0300 Pekka Enberg <>
>>>> Wanna show us the patch?
>>>> Because the world could certainly do with more i915 bugfixes :(
>>> Here is Jesse's patch from
>>> adopted for 2.6.30-rc8... (needed to redo hunk #3 for i915_gem_tile.c)
>> Yup. I took the two patches from here:
>> and did the same rediffing on top of 2.6.30-rc8 for the first one.
>> Andrew, do you want me to forward you the (tested) patches or should we
>> wait for Jesse et al to take care of it?
> Yes, please send them out.

OK, I did that. I am bit unhappy that I had to do it, though. The patch
dates back to January (!) and Ubuntu folks have been carrying it for a
while now.

Looking at the amount of reports out in the wild (on Ubuntu forums,
etc.), I really don't understand why this wasn't submitted earlier.
Instead, the bug was flagged with low priority because it's "just a
performance problem." Considering the system is more or less unusable
for me, I obviously think it's a critical bug fix.

Andrew Morton wrote:
> These might end up being material.

Yes, agreed completely. We probably want ACK from Jesse and Bjorn, though.


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