[Bug 30616] r600g glitching in tunnel demo

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30616

--- Comment #3 from Andy Furniss <lists at andyfurniss.entadsl.com> 2010-12-04 04:06:07 PST ---
Haven't been able to test this for a while as this box had a mobo failiure.

Current situation with git d-r-t, ddx and mesa -

With CPU and card set high mesa demos with help screen still glitch when the
text is displayed but only if writeback is enabled.

no_wb=1 seems to fix all glitching in demos, but it doesn't fix sauerbraten,
which currently locks up the GPU eventually (monitor off, no GPU reset, nothing
logged SysRq still works).

Sauerbraten runs OK (I am testing fullscreen) if wait for vline is enabled in
ddx so the framerate is capped.

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