[Bug 33867] [bisected] Graphics corruption related to pageflip ioctl support in 2.6.38-rc*

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=33867

--- Comment #14 from Dave Witbrodt <dawitbro at sbcglobal.net> 2011-04-11 19:59:28 PDT ---
I did no further testing after the onset of the Japan crisis, but I have just
started updating some relevant parts of my system.

Updating from kernel 2.6.38-rc8 to 2.6.38.2 did not seem to have an effect, but
updating Mesa to 7.11.0-devel (commit a26121f3) changed the observed behavior
in prboom-plus.  The black melts are gone, replaced by transient graphics
corruption when starting a new game.  This corruption fades within a span of
about 1 second, and causes no further problems.

In short, it looks like the problem was a combination of kernel changes and
Mesa support for my Radeon HD 5750.  Apparently some changes to Mesa over the
past 7 weeks have resolved the problem I was originally reporting here.

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