[Bug 52313] New: r600g: Linux 3.3.x broken since 30257c32
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Jul 20 07:37:04 PDT 2012
https://bugs.freedesktop.org/show_bug.cgi?id=52313
Bug #: 52313
Summary: r600g: Linux 3.3.x broken since 30257c32
Classification: Unclassified
Product: Mesa
Version: git
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/r600
AssignedTo: dri-devel at lists.freedesktop.org
ReportedBy: stefandoesinger at gmx.at
Since Mesa commit 30257c32910c3f7ac2b9cc24399d6be196d34d26 r600g fails to
render anything on Linux 3.3 and probably all earlier versions. An upgrade to
3.4 fixes the issue.
The output from glxinfo is:
radeon: The kernel rejected CS, see dmesg for more information.
This is accompanied by the following lines in dmesg:
[199859.400626] radeon 0000:01:00.0: forbidden register 0x00028b28 at 188
[199859.400628] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
My understanding is that Mesa is intended to remain backwards compatible with
older kernels. If this is not the case feel free to close the bug.
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