[Intel-gfx] Intel 915GM MCHBAR bug
jbarnes at virtuousgeek.org
Sat Jun 6 13:27:59 PDT 2009
On Sat, 06 Jun 2009 09:37:00 +0300
Pekka Enberg <penberg at cs.helsinki.fi> wrote:
> Hi Andrew,
> On Sat, 06 Jun 2009 09:14:41 +0300 Pekka Enberg
> <penberg at cs.helsinki.fi> wrote:
> >>>> Wanna show us the patch?
> >>>> Because the world could certainly do with more i915 bugfixes :(
> >>> Here is Jesse's patch from
> >>> http://lists.freedesktop.org/archives/intel-gfx/2009-January/001186.html
> >>> adopted for 2.6.30-rc8... (needed to redo hunk #3 for
> >>> i915_gem_tile.c)
> >> Yup. I took the two patches from here:
> >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/349314
> >> 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 126.96.36.199 material.
> Yes, agreed completely. We probably want ACK from Jesse and Bjorn,
I'm ok with it being 188.8.131.52 stuff, but given the significance of the
change we were worried about putting it into 2.6.30 late in the cycle.
But as you say, it's a very important performance fix for many
Anyway, Eric may already have it merged. Eric?
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