Public bug reported: When using some java applications, like Oracle SQL developer, I get a GPU hang.. for some seconds the screen becomes black and unresponsive then it comes back to life.
This issue was not present in Oneiric so it seems a regression. The laptop is a Dell L702X with an integrated Intel GPU.. this is the lcpci: 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller]) Subsystem: Dell Device 0571 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 52 Region 0: Memory at f2400000 (64-bit, non-prefetchable) [size=4M] Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M] Region 4: I/O ports at 5000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915 and this is the error found in dmesg after the hangup: [ 4889.687609] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung [ 4889.687669] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state [ 4889.699461] [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 (awaiting 332264 at 332261, next 332265) ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: xserver-xorg-video-intel 2:2.17.0-1ubuntu4 ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13 Uname: Linux 3.2.0-21-generic x86_64 ApportVersion: 2.0-0ubuntu2 Architecture: amd64 Date: Sun Apr 1 07:47:05 2012 SourcePackage: xserver-xorg-video-intel UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: xserver-xorg-video-intel (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug precise third-party-packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/970596 Title: i915 GPU Hung To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/970596/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs