[Bug 76699] [ivb/hsw] suddenly slow intel graphics

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76699

--- Comment #17 from Enrico Tagliavini <enrico.tagliavini at gmail.com> ---
Just downgraded to mesa 10.0.4 and the issue looks gone at first glance. Now I
get almost fixed 60 fps in KWin with vsync always enabled (full screen repaint
option selected). Dropping to 40 and very rarely when moving windows around
like crazy with the wobbly windows enabled.

This is weird. xserver 1.14 with mesa 10.1.0 works, xserver 1.15 with mesa
10.0.4 works, but xservere 1.15 with mesa 10.1.0 doesn't work (the subject is
vsync indeed).

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