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

Tue Nov 22 00:14:23 PST 2011

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

--- Comment #18 from Florian Evers <florian-evers at gmx.de> 2011-11-22 00:14:23 PST ---
Hi Alex,

thanks alot for your patch. Unfortunately, I does not help, but things changed
a little bit:

At first, the visible output is garbled again, and I still see this error in
dmesg, but now with a new debug output line due to you patch:

Nov 22 08:56:21 [kernel] [29815.297445] radeon 0000:01:00.0: GPU lockup CP
stall for more than 10038msec
Nov 22 08:56:21 [kernel] [29815.297447] GPU lockup (waiting for 0x00000010 last
fence id 0x00000001)
Nov 22 08:56:21 [kernel] [29815.298555] radeon 0000:01:00.0: GPU softreset 
Nov 22 08:56:21 [kernel] [29815.298558] radeon 0000:01:00.0:  
GRBM_STATUS=0xF5400828
Nov 22 08:56:21 [kernel] [29815.298560] radeon 0000:01:00.0:  
GRBM_STATUS_SE0=0xE8000005
Nov 22 08:56:21 [kernel] [29815.298562] radeon 0000:01:00.0:  
GRBM_STATUS_SE1=0xE8000001
Nov 22 08:56:21 [kernel] [29815.298563] radeon 0000:01:00.0:  
SRBM_STATUS=0x200000C0
Nov 22 08:56:21 [kernel] [29815.298574] radeon 0000:01:00.0:  
GRBM_SOFT_RESET=0x00007F6B
Nov 22 08:56:21 [kernel] [29815.298676] radeon 0000:01:00.0:  
GRBM_STATUS=0x00003828
Nov 22 08:56:21 [kernel] [29815.298678] radeon 0000:01:00.0:  
GRBM_STATUS_SE0=0x00000007
Nov 22 08:56:21 [kernel] [29815.298680] radeon 0000:01:00.0:  
GRBM_STATUS_SE1=0x00000007
Nov 22 08:56:21 [kernel] [29815.298682] radeon 0000:01:00.0:  
SRBM_STATUS=0x200000C0
Nov 22 08:56:21 [kernel] [29815.299682] radeon 0000:01:00.0: GPU reset succeed
Nov 22 08:56:21 [kernel] [29815.324388] [drm] PCIE GART of 512M enabled (table
at 0x0000000000040000).
Nov 22 08:56:21 [kernel] [29815.324411] [drm:evergreen_gpu_init] *ERROR* bad
backend map, using default
Nov 22 08:56:21 [kernel] [29815.324483] radeon 0000:01:00.0: WB enabled
Nov 22 08:56:21 [kernel] [29815.340713] [drm] ring test succeeded in 3 usecs
Nov 22 08:56:21 [kernel] [29815.340723] [drm] ib test succeeded in 3 usecs

... and that over and over again, all 15 secs one entry in dmesg until I stop
the xdm service.

Additionally, this was the first time that I saw a crashdump in
/var/log/Xorg.log, but I'm not sure if it is related. I saw this crash only
once, and was unable to reproduce it a second time:

[ 29893.817] [mi] EQ overflowing. The server is probably stuck in an infinite
loop.
[ 29893.817] 
Backtrace:
[ 29893.817] 0: /usr/bin/X (xorg_backtrace+0x28) [0x4600f8]
[ 29893.817] 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x45a634]
[ 29893.817] 2: /usr/bin/X (xf86PostMotionEventM+0x97) [0x480187]
[ 29893.817] 3: /usr/bin/X (xf86PostMotionEventP+0x3c) [0x48027c]
[ 29893.817] 4: /usr/lib64/xorg/modules/input/evdev_drv.so
(0x7f8a8e2cf000+0x490a) [0x7f8a8e2d390a]
[ 29893.817] 5: /usr/bin/X (0x400000+0x6da17) [0x46da17]
[ 29893.817] 6: /usr/bin/X (0x400000+0x11cf23) [0x51cf23]
[ 29893.817] 7: /lib64/libpthread.so.0 (0x7f8a93384000+0x10310)
[0x7f8a93394310]
[ 29893.817] 8: /lib64/libc.so.6 (ioctl+0x7) [0x7f8a9239c4e7]
[ 29893.817] 9: /usr/lib64/libdrm.so.2 (drmIoctl+0x28) [0x7f8a90940d88]
[ 29893.817] 10: /usr/lib64/libdrm.so.2 (drmCommandWriteRead+0x1c)
[0x7f8a9094311c]
[ 29893.817] 11: /usr/lib64/libdrm_radeon.so.1 (0x7f8a90011000+0x20f9)
[0x7f8a900130f9]
[ 29893.817] 12: /usr/lib64/libdrm_radeon.so.1 (0x7f8a90011000+0x2144)
[0x7f8a90013144]
[ 29893.817] 13: /usr/lib64/xorg/modules/drivers/radeon_drv.so
(0x7f8a90218000+0xc8593) [0x7f8a902e0593]
[ 29893.817] 14: /usr/lib64/xorg/modules/libexa.so (0x7f8a8fdf8000+0x6457)
[0x7f8a8fdfe457]
[ 29893.817] 15: /usr/lib64/xorg/modules/libexa.so (0x7f8a8fdf8000+0x90a2)
[0x7f8a8fe010a2]
[ 29893.817] 16: /usr/lib64/xorg/modules/libexa.so (0x7f8a8fdf8000+0x5792)
[0x7f8a8fdfd792]
[ 29893.817] 17: /usr/bin/X (0x400000+0xa5b90) [0x4a5b90]
[ 29893.817] 18: /usr/bin/X (ChangeWindowAttributes+0x2c3) [0x4582f3]
[ 29893.817] 19: /usr/bin/X (0x400000+0x2af88) [0x42af88]
[ 29893.817] 20: /usr/bin/X (0x400000+0x30c51) [0x430c51]
[ 29893.817] 21: /usr/bin/X (0x400000+0x24aee) [0x424aee]
[ 29893.817] 22: /lib64/libc.so.6 (__libc_start_main+0xfd) [0x7f8a922f0e9d]
[ 29893.817] 23: /usr/bin/X (0x400000+0x24699) [0x424699]
[ 29903.970] (II) AIGLX: Suspending AIGLX clients for VT switch

Hope it helps. Thank you very much :-)
Florian

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