[Bug 39282] radeon HD6790 (barts) card produces black+white horizontal stripes on screen when launching Xorg

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=39282

--- Comment #19 from Tomasz <tmciolek at gmail.com> 2011-11-22 01:21:16 PST ---
Hi there. Thnaks for your work. 

Issue persists.

Unlike Florian , I have not seen any evidence of X server crash, but here is
the output from dmesg (kernel log)

[   59.004074] radeon 0000:01:00.0: GPU lockup CP stall for more than 10036msec
[   59.004077] GPU lockup (waiting for 0x0000000D last fence id 0x00000001)
[   59.005143] radeon 0000:01:00.0: GPU softreset 
[   59.005145] radeon 0000:01:00.0:   GRBM_STATUS=0xF5400828
[   59.005147] radeon 0000:01:00.0:   GRBM_STATUS_SE0=0xE8000005
[   59.005149] radeon 0000:01:00.0:   GRBM_STATUS_SE1=0xE8000001
[   59.005151] radeon 0000:01:00.0:   SRBM_STATUS=0x200000C0
[   59.005162] radeon 0000:01:00.0:   GRBM_SOFT_RESET=0x00007F6B
[   59.005265] radeon 0000:01:00.0:   GRBM_STATUS=0x00003828
[   59.005267] radeon 0000:01:00.0:   GRBM_STATUS_SE0=0x00000007
[   59.005268] radeon 0000:01:00.0:   GRBM_STATUS_SE1=0x00000007
[   59.005270] radeon 0000:01:00.0:   SRBM_STATUS=0x200000C0
[   59.006265] radeon 0000:01:00.0: GPU reset succeed
[   59.044414] [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
[   59.044439] [drm:evergreen_gpu_init] *ERROR* bad backend map, using default
[   59.044510] radeon 0000:01:00.0: WB enabled
[   59.060618] [drm] ring test succeeded in 2 usecs
[   59.060629] [drm] ib test succeeded in 3 usecs
[   69.712099] radeon 0000:01:00.0: GPU lockup CP stall for more than 10020msec
[   69.713631] GPU lockup (waiting for 0x00000013 last fence id 0x0000000D)
[   69.714722] radeon 0000:01:00.0: GPU softreset 
[   69.714725] radeon 0000:01:00.0:   GRBM_STATUS=0xF5400828
[   69.714727] radeon 0000:01:00.0:   GRBM_STATUS_SE0=0xE8000005
[   69.714730] radeon 0000:01:00.0:   GRBM_STATUS_SE1=0xE8000001
[   69.714732] radeon 0000:01:00.0:   SRBM_STATUS=0x200000C0
[   69.714760] radeon 0000:01:00.0:   GRBM_SOFT_RESET=0x00007F6B
[   69.714863] radeon 0000:01:00.0:   GRBM_STATUS=0x00003828
[   69.714865] radeon 0000:01:00.0:   GRBM_STATUS_SE0=0x00000007
[   69.714868] radeon 0000:01:00.0:   GRBM_STATUS_SE1=0x00000007
[   69.714870] radeon 0000:01:00.0:   SRBM_STATUS=0x200000C0
[   69.715864] radeon 0000:01:00.0: GPU reset succeed
[   69.812508] [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
[   69.812533] [drm:evergreen_gpu_init] *ERROR* bad backend map, using default
[   69.814132] radeon 0000:01:00.0: WB enabled
[   69.830241] [drm] ring test succeeded in 2 usecs
[   69.830253] [drm] ib test succeeded in 3 usecs

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