[Expired for xserver-xorg-video-intel (Ubuntu) because there has been no
activity for 60 days.]
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1211123
Title:
Xorg i915 hangcheck hung GPU after workspace switch
Status in “xserver-xorg-video-intel” package in Ubuntu:
Expired
Bug description:
Running 13.04 raring with latest updates, but this kind of GPU freeze
has occurred numerous times in the past year.
It always occurs when the system is under high CPU and I/O load, e.g.
after resuming from sleep. Memory is not a factor, as there are
gigabytes of free memory.
The most reliable way to trigger this crash is to rapidly switch
between workspaces, while the system is heavily loaded.
i915_error_state from immediately following the crash is attached.
Extracts of relevant files:
dmesg | tail -1
[2757537.808259] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer
elapsed... GPU hung
Xorg.0.log | tail -4
[2757537.808] (EE) intel(0): Detected a hung GPU, disabling acceleration.
[2757537.808] (EE) intel(0): When reporting this, please include
i915_error_state from debugfs and the full dmesg.
[2757537.837] [mi] Increasing EQ size to 512 to prevent dropped events.
[2757601.808] (II) AIGLX: Suspending AIGLX clients for VT switch
lspci -vvv
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device 029b
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 44
Region 0: Memory at d0000000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at c0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 30d0 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Address: fee0300c Data: 41c1
Capabilities: [d0] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: i915
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
Subsystem: Acer Incorporated [ALI] Device 029b
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
Region 0: Memory at d2400000 (64-bit, non-prefetchable) [size=1M]
Capabilities: [d0] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
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