Hi,

I have just updated graphics stack on my i965 based system.

Now, I notice that in many 3d applications, (I test few games) screen
flashes and I see for a moment few garbage triangles.

ppracer flashes its main screen in above way, suspetuxkart shows that
issue, after few minutes of playing, etc...


a quick bisect revealed unfortunately that last *good* commit is

20d9204fbd71aebf870834b612579419d2c278b5 radeon: fix max indx/vertex emission 
due to state checker


After that, 3d output went completely black, and I didn't yet traced it
back when it started working again, the way it does in head.

commit d6b8664e3cd37c081cb1dd3d6cd5ffdac1813dac swrast: minor code consolidation

still shows black output


master commit on my system is c4a3e036ed1c755a291018251c4f55c45ac17079


could you also look at 
https://bugs.freedesktop.org/show_bug.cgi?id=23254


pretty much even now, if I revert commit 

0f328c90dbc893e15005f2ab441d309c1c176245 i965: Fall back or appropriately 
adjust offsets of drawing to tiled regions.

Then and only then, suspend&resume works just fine with compiz running,
otherwise, compiz is broken on resume


Best regards,
        Maxim Levitsky




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