[Bug 84648] Lag/Pause When VRAM->GTT or GTT->VRAM transfer occur

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84648

--- Comment #7 from smoki <smoki00790 at gmail.com> ---
(In reply to commiethebeastie from comment #6)
> Created attachment 113077 [details]
> ETS2 with GTT-usage:100
> 
> My 3Com U.S Robotics modem 56k works more faster than the GART memory.

 Yeah i can confirm that with ETS2, but also with any earlier 18 Wheels of
Steel games (http://en.wikipedia.org/wiki/18_Wheels_of_Steel) played in wine (i
have all of them :)) have same very worse stutter... try how it goes with
reverting this mesa commit, it fixed that worse stutter in those games for me
on Kabini APU... well and other issues:

https://bugs.freedesktop.org/show_bug.cgi?id=88658#c6

 And yeah please use at least kernel 3.19 or later if you test that

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