I also have sometimes hangups where CTRL+ALT+F1 and afterwards CTRL+ALT+F7 brings back GUI response, but very rarely. I am using Chrome only for Hangouts, for everything else I am using Firefox.
On Thu, Oct 10, 2013 at 4:23 PM, André Panisson <946...@bugs.launchpad.net> wrote: > By the way, switching to the terminal, killing compiz and switching back > again was able to restore the interface without having to restart > lightdm and all my applications. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/946899 > > Title: > [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU > hung > > Status in The Linux Kernel: > Incomplete > Status in The Linux Mint Distribution: > Confirmed > Status in “linux” package in Ubuntu: > Triaged > Status in “linux” package in Fedora: > Unknown > > Bug description: > Since upgrading to 12.04 beta, I've seen this happen twice. The > symptoms are: > > - The screen freezes > - The backlight turns off > > At that point I have to reboot to get my display back. In syslog, i > see: > > > Mar 4 23:09:18 perseus kernel: [ 3751.612064] [drm:i915_hangcheck_elapsed] > *ERROR* Hangcheck timer elapsed... GPU hung > Mar 4 23:09:18 perseus kernel: [ 3751.612076] [drm] capturing error event; > look for more information in /debug/dri/0/i915_error_state > Mar 4 23:09:18 perseus kernel: [ 3751.613658] [drm:i915_wait_request] > *ERROR* i915_wait_request returns -11 (awaiting 114040 at 114004, next 114118) > Mar 4 23:09:18 perseus kernel: [ 3751.637049] [drm:init_ring_common] > *ERROR* render ring initialization failed ctl 00000000 head 00000000 tail > 00000000 start 00000000 > > followed by a lot of things like: > > > Mar 4 23:09:18 perseus kernel: [ 3751.700662] WARNING: at > /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:793 > intel_enable_pipe+0x14a/0x150 [i915]() > Mar 4 23:09:18 perseus kernel: [ 3751.700667] Hardware name: 6465CTO > Mar 4 23:09:18 perseus kernel: [ 3751.700670] PLL state assertion failure > (expected on, current off) > > Mar 4 23:09:18 perseus kernel: [ 3751.812158] WARNING: at > /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/intel_display.c:930 > assert_pipe+0x75/0x80 [i915]() > Mar 4 23:09:18 perseus kernel: [ 3751.812165] Hardware name: 6465CTO > Mar 4 23:09:18 perseus kernel: [ 3751.812170] pipe B assertion failure > (expected on, current off) > > then: > > > Mar 4 23:09:19 perseus kernel: [ 3753.044086] [drm:intel_lvds_enable] > *ERROR* timed out waiting for panel to power on > Mar 4 23:09:20 perseus kernel: [ 3753.671451] [drm:i915_wait_request] > *ERROR* something (likely vbetool) disabled interrupts, re-enabling > Mar 4 23:09:20 perseus kernel: [ 3753.684603] [drm:i915_wait_request] > *ERROR* something (likely vbetool) disabled interrupts, re-enabling > Mar 4 23:09:20 perseus kernel: [ 3753.704594] [drm:i915_wait_request] > *ERROR* something (likely vbetool) disabled interrupts, re-enabling > Mar 4 23:09:20 perseus kernel: [ 3753.724594] [drm:i915_wait_request] > *ERROR* something (likely vbetool) disabled interrupts, re-enabling > Mar 4 23:09:20 perseus kernel: [ 3753.744595] [drm:i915_wait_request] > *ERROR* something (likely vbetool) disabled interrupts, re-enabling > Mar 4 23:09:20 perseus kernel: [ 3753.764606] [drm:i915_wait_request] > *ERROR* something (likely vbetool) disabled interrupts, re-enabling > Mar 4 23:09:20 perseus kernel: [ 3753.784607] [drm:i915_wait_request] > *ERROR* something (likely vbetool) disabled interrupts, re-enabling > Mar 4 23:09:20 perseus kernel: [ 3753.804618] [drm:i915_wait_request] > *ERROR* something (likely vbetool) disabled interrupts, re-enabling > Mar 4 23:09:20 perseus kernel: [ 3753.824606] [drm:i915_wait_request] > *ERROR* something (likely vbetool) disabled interrupts, re-enabling > > ProblemType: Bug > DistroRelease: Ubuntu 12.04 > Package: linux-image-3.2.0-17-generic 3.2.0-17.27 > ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6 > Uname: Linux 3.2.0-17-generic x86_64 > AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. > ApportVersion: 1.94-0ubuntu1 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: mdz 2458 F.... pulseaudio > /dev/snd/controlC1: mdz 2458 F.... pulseaudio > Card0.Amixer.info: > Card hw:0 'Intel'/'HDA Intel at 0xfe020000 irq 49' > Mixer name : 'Analog Devices AD1984' > Components : 'HDA:11d41984,17aa20bb,00100400' > Controls : 31 > Simple ctrls : 19 > Card1.Amixer.info: > Card hw:1 'Q9000'/'Logitech, Inc. QuickCam Pro 9000 at usb-0000:00:1a.7-3, > high speed' > Mixer name : 'USB Mixer' > Components : 'USB046d:0990' > Controls : 2 > Simple ctrls : 1 > Card1.Amixer.values: > Simple mixer control 'Mic',0 > Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum > Capture channels: Mono > Limits: Capture 0 - 3072 > Mono: Capture 0 [0%] [18.00dB] [off] > Card29.Amixer.info: > Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw > 7KHT24WW-1.08' > Mixer name : 'ThinkPad EC 7KHT24WW-1.08' > Components : '' > Controls : 1 > Simple ctrls : 1 > Card29.Amixer.values: > Simple mixer control 'Console',0 > Capabilities: pswitch pswitch-joined penum > Playback channels: Mono > Mono: Playback [on] > Date: Sun Mar 4 23:12:05 2012 > HibernationDevice: RESUME=UUID=bc555036-0252-42e8-804b-b34dc22bbcd4 > MachineType: LENOVO 6465CTO > PccardctlIdent: > Socket 0: > no product info available > PccardctlStatus: > Socket 0: > no card > ProcEnviron: > TERM=xterm > LC_COLLATE=C > PATH=(custom, user) > LANG=en_US.UTF-8 > SHELL=/bin/zsh > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic > root=UUID=305dde78-d20a-4248-aaf4-09447b7c5791 ro quiet splash vt.handoff=7 > RelatedPackageVersions: > linux-restricted-modules-3.2.0-17-generic N/A > linux-backports-modules-3.2.0-17-generic N/A > linux-firmware 1.71 > SourcePackage: linux > UpgradeStatus: Upgraded to precise on 2012-03-04 (0 days ago) > WpaSupplicantLog: > > dmi.bios.date: 01/21/2008 > dmi.bios.vendor: LENOVO > dmi.bios.version: 7LETB0WW (2.10 ) > dmi.board.name: 6465CTO > dmi.board.vendor: LENOVO > dmi.board.version: Not Available > dmi.chassis.asset.tag: No Asset Information > dmi.chassis.type: 10 > dmi.chassis.vendor: LENOVO > dmi.chassis.version: Not Available > dmi.modalias: > dmi:bvnLENOVO:bvr7LETB0WW(2.10):bd01/21/2008:svnLENOVO:pn6465CTO:pvrThinkPadT61:rvnLENOVO:rn6465CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: > dmi.product.name: 6465CTO > dmi.product.version: ThinkPad T61 > dmi.sys.vendor: LENOVO > > To manage notifications about this bug go to: > https://bugs.launchpad.net/linux/+bug/946899/+subscriptions -- Martin Wildam http://martin.wildam.org/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/946899 Title: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/946899/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs