http://bugs.freedesktop.org/show_bug.cgi?id=23732
Summary: small image corruptions when AccelDFS is on (even when
BusType is set to PCI)
Product: xorg
Version: git
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Created an attachment (id=29253)
--> (http://bugs.freedesktop.org/attachment.cgi?id=29253)
example of the corruption in PCI mode
See the attached images to see how they look like. Switching off AccelDFS makes
the image to be correct but then the system is not usable (too slow). The
corruptions happen not only in AGPMode 8 but also in PCI mode. Actually, it is
worse in PCI mode. The HW is working without any problems (graphics
corruptions) in windows (with the catalyst driver in AGPMode 8 even with
FastWrites on - that is provided that the catalyst control center is not
lying). If this is a HW problem (AgpBridge - VGA incompatibility) then windows
somehow manages to do GUI quickly even without AccelDFS.
The attached images show errors in Thunderbird toolbar icons. Thunderbird is
the only application where I noticed these problems. It also makes system
terribly slow when AccelDFS is off.
I used today's (2009-09-05) git versions of radeon, mesa, libdrm, and agd5f's
r6xx 3D drm.
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