Hi,
I am having the same issue on my Toshiba Tecra M5 laptop. The output
from my kern.log when this happens is:
May 7 21:30:51 ccc017400 kernel: [41191.508136] [drm:i915_hangcheck_elapsed]
*ERROR* Hangcheck timer elapsed... GPU hung
May 7 21:30:51 ccc017400 kernel: [41191.508151] render errMay 7 21:30:51
ccc017400 kernel: [41191.508136] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck
timer elapsed... GPU hung
May 7 21:30:51 ccc017400 kernel: [41191.508151] render error detected, EIR:
0x00000000
May 7 21:30:51 ccc017400 kernel: [41191.508192] [drm:i915_do_wait_request]
*ERROR* i915_do_wait_request returns -5 (awaiting 2207294 at 2207291)
May 7 21:30:52 ccc017400 kernel: [41192.724110] wlan0: deauthenticating from
00:1f:33:7a:8c:b2 by local choice (reason=3)
May 7 21:49:44 ccc017400 kernel: Kernel logging (proc) stopped.
May 7 21:50:41 ccc017400 kernel: imklog 4.2.0, log source = /proc/kmsg
started.or detected, EIR: 0x00000000
May 7 21:30:51 ccc017400 kernel: [41191.508192] [drm:i915_do_wait_request]
*ERROR* i915_do_wait_request returns -5 (awaiting 2207294 at 2207291)
May 7 21:30:52 ccc017400 kernel: [41192.724110] wlan0: deauthenticating from
00:1f:33:7a:8c:b2 by local choice (reason=3)
May 7 21:49:44 ccc017400 kernel: Kernel logging (proc) stopped.
May 7 21:50:41 ccc017400 kernel: imklog 4.2.0, log source = /proc/kmsg started.
My output from lspci -vvnn:
00:02.1 Display controller [0380]: Intel Corporation Mobile 945GM/GMS/GME,
943/940GML Express Integrated Graphics Controller [8086:27a6] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:0004]
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Region 0: Memory at 8a200000 (32-bit, non-prefetchable) [disabled]
[size=512K]
Capabilities: <access denied>
The tail end of my Xorg.0.log is:
(II) UXA(0): Driver registered support for the following operations:
(II) solid
(II) copy
(II) composite (RENDER acceleration)
(==) intel(0): Backing store disabled
(==) intel(0): Silken mouse enabled
(II) intel(0): Initializing HW Cursor
(II) intel(0): No memory allocations
Fatal server error:
Failed to submit batchbuffer: Input/output error
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
Please also check the log file at "/var/log/Xorg.0.log" for additional
information.
ddxSigGiveUp: Closing log
For me this appears to happen when my external monitor goes to standby mode. I
will test this on the laptop display.
--
[g41] GPU hung: Failed to submit batchbuffer: Input/output error
https://bugs.launchpad.net/bugs/555573
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