dmesg said this at hang:
[15407.248013] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
GPU hung
[15407.248023] render error detected, EIR: 0x00000000
[15407.249274] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns
-5 (awaiting 1827915 at 1827913)
This is my card:
00:02.0 VGA compatible controller [0300]: Intel Corporation
82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device [8086:2562] (rev
01)
Subsystem: Dell Device [1028:0126]
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-
Latency: 0
Interrupt: pin A routed to IRQ 16
Region 0: Memory at e8000000 (32-bit, prefetchable) [size=128M]
Region 1: Memory at ff680000 (32-bit, non-prefetchable) [size=512K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
I'm running newest Lucid.
Linux ingar 2.6.32-16-generic #25-Ubuntu SMP Tue Mar 9 16:33:52 UTC 2010
i686 GNU/Linux
It's exactly as in the bug report.
kern.log is NOW saying (the GPU hasn't hung yet...):
Mar 17 19:09:34 ingar kernel: [ 22.599513] fb0: inteldrmfb frame buffer device
Mar 17 19:09:34 ingar kernel: [ 22.599518] registered panic notifier
Mar 17 19:09:34 ingar kernel: [ 22.599533] [drm] Initialized i915 1.6.0
20080730 for 0000:00:02.0 on minor 0
Mar 17 19:09:34 ingar kernel: [ 22.599601] alloc irq_desc for 17 on node -1
Mar 17 19:09:34 ingar kernel: [ 22.599606] alloc kstat_irqs on node -1
Mar 17 19:09:34 ingar kernel: [ 22.599617] Intel ICH 0000:00:1f.5: PCI INT B
-> GSI 17 (level, low) -> IRQ 17
Mar 17 19:09:34 ingar kernel: [ 22.599673] Intel ICH 0000:00:1f.5: setting
latency timer to 64
Mar 17 19:09:34 ingar kernel: [ 22.612923] vga16fb: initializing
Mar 17 19:09:34 ingar kernel: [ 22.612933] vga16fb: mapped to 0xc00a0000
Mar 17 19:09:34 ingar kernel: [ 22.613286] fb1: VGA16 VGA frame buffer device
Mar 17 19:09:34 ingar kernel: [ 22.871685] Console: switching to colour frame
buffer device 175x65
Mar 17 19:09:35 ingar kernel: [ 23.047184] AC'97 0 analog subsections not
ready
Mar 17 19:09:35 ingar kernel: [ 23.124086] intel8x0_measure_ac97_clock:
measured 55519 usecs (2675 samples)
Mar 17 19:09:35 ingar kernel: [ 23.124095] intel8x0: clocking to 48000
Mar 17 19:09:36 ingar kernel: [ 24.344564] render error detected, EIR:
0x00000010
Mar 17 19:09:36 ingar kernel: [ 24.344573] [drm:i915_handle_error] *ERROR*
EIR stuck: 0x00000010, masking
Mar 17 19:09:36 ingar kernel: [ 24.344595] render error detected, EIR:
0x00000010
--
display freezes, [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
https://bugs.launchpad.net/bugs/507504
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