[Bug 32511] glDrawPixels broken on savage

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32511

--- Comment #8 from Tormod Volden <bugzi09.fdo.tormod at xoxy.net> 2011-01-06 15:31:26 PST ---
Is it possible that the frame buffer address gets wrongly calculated (because
of wrong formats or non-initialized stuff) so that it points beyond the linear
aperture and reaches inadvertently into a tiled aperture?

Can I verify values in gdb against addresses listed in Xorg.0.log? I have tried
writing to addresses in gdb to see if I get something on the screen but I got
only errors. I don't know if DRI buffers are writable from gdb.

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