Hmm, interesting, unfortunately you're right it's not enough information
yet, but it does prove this to be a mesa bug rather than -ati.
Refiling.
Looking in the code, it seems to be crashing around these lines:
if (drawable->base.pDraw == NULL)
return GL_FALSE;
pScreen = drawable->base.pDraw->pScreen; // <-- crash
Since it had checked that pDraw is not NULL, it makes me wonder if it is
a corrupted memory issue. A race condition is another possibility,
particularly when in the middle of destroying objects. Unfortunately it
looks like a lot of variables have been optimized out. It would be nice
to know what is going on with the r300_dri.so calls but I'm not sure
that would buy much more info than we know so far.
** Changed in: mesa (Ubuntu)
Sourcepackagename: xserver-xorg-video-ati => mesa
--
[R430] X+radeon crash in __driUtilUpdateDrawableInfo+0xc2 when quitting certain
opengl apps
https://bugs.launchpad.net/bugs/329654
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