[Bug 27529] [rs690m] Graphics corruption with ati x1200

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27529

--- Comment #29 from steckdenis at yahoo.fr 2010-09-12 06:00:10 PDT ---
Created an attachment (id=38645)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38645)
Screenshot of 2 3D programs corrupting each other

Hello,

Here is a screenshot of Neverball corrupting Super Tux Kart. It's also possible
to have STK corrupting Neverball by launching STK after Neverball. The last
launched program corrupts the previously launched ones.

It seems there is a bug in the memory management, but I don't know if it's
always there, RS690-specific, or triggered by the Sideport memory.

I looked at the source code (radeon module in Linux 2.6.36-rc3) but didn't
found anything interesting. I looked in TTM and GEM code, but I don't know if
TTM is used on an IGP card.

I use Mesa Git (as of today), Linux 2.6.36-rc3, libdrm Aug 26, XServer 1.9 and
xf86-video-ati 6.13.1.

Regards.

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