Bug 58959 - kernel 3.6.4 and r600_dri.so from mesa 8.0.5 are incompatible
Summary: kernel 3.6.4 and r600_dri.so from mesa 8.0.5 are incompatible
Status: RESOLVED NOTABUG
Alias: None
Product: Mesa
Classification: Unclassified
Component: Drivers/Gallium/r600 (show other bugs)
Version: git
Hardware: Other All
: medium normal
Assignee: Default DRI bug account
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Reported: 2013-01-02 23:24 UTC by almos
Modified: 2013-01-03 00:32 UTC (History)
0 users

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Description almos 2013-01-02 23:24:19 UTC 
It results in massive amounts of this printout:
radeon: The kernel rejected CS, see dmesg for more information.

dmesg says:
[  824.623357] radeon 0000:01:00.0: evergreen_surface_check_2d:285 cb height 1088 invalid must be aligned with 128
[  824.623362] radeon 0000:01:00.0: evergreen_cs_track_validate_cb:427 cb[0] invalid (0x000000df 0x000076ff 0x00090c80 0x01088468)
[  824.623364] radeon 0000:01:00.0: evergreen_packet3_check:2136 invalid cmd stream 607
[  824.623365] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !


I've got the kernel from vanilla source, and mesa from package (debian unstable). Mesa 9.1-dev works fine. I've got libdrm 2.4.40+ from git (0980633afd9c7eecc0c75ef3bea4d3c6b7aa1898) installed in /usr/local/lib.
Comment 1 Alex Deucher 2013-01-02 23:33:09 UTC 
xf86-video-ati 7.0.0 enables 2D tiling by default and hence requires mesa 9.x.  You either need mesa 9.x, or you have to disable 2D tiling:
Option "ColorTiling2D" "False"
in the device section of your xorg.conf
Comment 2 almos 2013-01-03 00:32:25 UTC 
Oh, in that case I guess normal debian users are safe from this problem, because in 6.14.4 it is off by default. Closing as PEBKAC.

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