[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

cyberbat <cyberbat at lavabit.com> changed:

           What    |Removed                     |Added
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                 CC|                            |cyberbat at lavabit.com

--- Comment #44 from cyberbat <cyberbat at lavabit.com> 2012-03-06 14:29:49 PST ---
Hello! 
Any progress here?
I fully confirm this bug on Radeon HD 6790:

lspci | grep -i radeon
02:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Barts
LE [AMD Radeon HD 6700 Series]

getting Mar  6 16:54:29 cybernest kernel: [ 8065.765045] radeon 0000:02:00.0:
GPU lockup CP stall for more than 10020msec
Mar  6 16:54:29 cybernest kernel: [ 8065.765051] GPU lockup (waiting for
0x0000000F last fence id 0x00000001)
Mar  6 16:54:29 cybernest kernel: [ 8065.766132] radeon 0000:02:00.0: GPU
softreset 
Mar  6 16:54:29 cybernest kernel: [ 8065.766134] radeon 0000:02:00.0:  
GRBM_STATUS=0xB1403828
Mar  6 16:54:29 cybernest kernel: [ 8065.766135] radeon 0000:02:00.0:  
GRBM_STATUS_SE0=0x28000007
Mar  6 16:54:29 cybernest kernel: [ 8065.766136] radeon 0000:02:00.0:  
GRBM_STATUS_SE1=0x28000007
Mar  6 16:54:29 cybernest kernel: [ 8065.766138] radeon 0000:02:00.0:  
SRBM_STATUS=0x200000C0
Mar  6 16:54:29 cybernest kernel: [ 8065.766147] radeon 0000:02:00.0:  
GRBM_SOFT_RESET=0x00007F6B
Mar  6 16:54:29 cybernest kernel: [ 8065.766250] radeon 0000:02:00.0:  
GRBM_STATUS=0x00003828
Mar  6 16:54:29 cybernest kernel: [ 8065.766251] radeon 0000:02:00.0:  
GRBM_STATUS_SE0=0x00000007
Mar  6 16:54:29 cybernest kernel: [ 8065.766252] radeon 0000:02:00.0:  
GRBM_STATUS_SE1=0x00000007
Mar  6 16:54:29 cybernest kernel: [ 8065.766254] radeon 0000:02:00.0:  
SRBM_STATUS=0x200000C0
Mar  6 16:54:29 cybernest kernel: [ 8065.767257] radeon 0000:02:00.0: GPU reset
succeed
Mar  6 16:54:29 cybernest kernel: [ 8065.791860] [drm] PCIE GART of 512M
enabled (table at 0x0000000000040000).
Mar  6 16:54:29 cybernest kernel: [ 8065.791955] radeon 0000:02:00.0: WB
enabled
Mar  6 16:54:29 cybernest kernel: [ 8065.808304] [drm] ring test succeeded in 3
usecs
Mar  6 16:54:29 cybernest kernel: [ 8065.808313] [drm] ib test succeeded in 3
usecs

in logs.

I have no skill in coding, but I really wish to help with something if I can. I
have tried kernels: 3.1.10, 3.2.1, 3.2.6, 3.2.9, 3.3rc6. Issue remains on them
all.

I don't like fglrx. :( Please help.

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