http://bugs.freedesktop.org/show_bug.cgi?id=21053
Summary: drisw_glx.c driCreateScreen doesn't initialise psp-
>waitX/waitGL
Product: Mesa
Version: unspecified
Platform: All
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: GLX
AssignedTo: [email protected]
ReportedBy: [email protected]
Created an attachment (id=24546)
--> (http://bugs.freedesktop.org/attachment.cgi?id=24546)
Patch to initialise psp->waitX/waitGL to NULL correctly
Unlike the equivalent function in dri_glx.c, driCreateScreen in
src/glx/x11/drisw_glx.c doesn't initialise psp->waitX/waitGL. Most of the time,
these seem to just happen to be 0 anyway, but sometimes they're not, and in
this case calling glXWaitX crashes the application.
I'm using Mesa 7.4, which isn't in the list of versions for some reason. I'm
also using Gentoo, with xorg-server 1.5.3, and was seeing the crash when
starting mythfrontend from MythTV 0.21.something.
No steps to reproduce, sorry - given the nature of the bug they probably
wouldn't work on other systems anyway. Fortunately it should be fairly easy to
spot in the code (just compare dri_glx.c and drisw_glx.c).
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