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https://bugs.freedesktop.org/show_bug.cgi?id=5115
Summary: Drivers for ATI cards segfault with no on-card memory
reserved for textures
Product: Mesa
Version: CVS
Platform: Other
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Drivers/DRI/Radeon
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
OtherBugsDependingO 1690
nThis:
There seems to be a (somewhat reasonable) assumption in the common DRI texture
management code that heap 0 is always valid. However, the DDX drivers for ATI
cards can end up reserving no on-card memory for textures under some
circumstances, in which case heap 0 will end up being invalid, resulting in a
segfault. I'll attach a patch which avoids the segfault by setting up heap 0 for
the GART texture area in that case.
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