[Bug 20539] Segmentation Fault with Radeon (maybe with pixmap command)

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=20539





--- Comment #6 from Michel Dänzer <michel at daenzer.net>  2009-03-13 04:04:59 PST ---
(In reply to comment #4)
> This output was generated from the moment, kwin was restarted with "kwin
> --replace".

So, does the problem only happen after restarting kwin? Also, are you using the
kwin compositing effects, and if so using the OpenGL or XRender backend?

> I think this is the most interesting part.

Yeah, looks like there's a use-after-free in the Mesa r300 driver, that could
be a candidate for causing memory corruption. Might be even more useful if
there were debugging symbols for r300_dri.so as well.

> The next file give the output after kwin crashed.

I can't see any valgrind output about the X server itself in there, just a lot
of '�' characters.

P.S. Please set MIME type text/plain for plain text attachments.


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