http://bugs.freedesktop.org/show_bug.cgi?id=11412
Summary: Unichrome - Invalid / Unimplemented DMA HEADER command
Product: DRI
Version: DRI CVS
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM modules
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
The unichrome DRI driver is sending unaligned data which confuses the DRM
kernel module.
This is what the dri driver is flushing (via_ioctl.c:854):
viaFlushDmaLocked: unaligned value for vmesa->dmaLow: 7dc
0000: 430983f1 44390363 00000000 ffbf0505
0010: 430f0484 44390363 00000000 ffbf0505
dmesg shows this message:
[drm:via_verify_command_stream] *ERROR* Invalid / Unimplemented DMA HEADER
command. 0x430983f1
Tested on KM400 and CX700 mesa 6.5.1 and 6.5.2
How to reproduce:
Playing gltron, It will abort after about 30 seconds.
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