[Bug 946899] Re: 8086:2a02 [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung

Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017.

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Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/946899

Title:
8086:2a02 [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung

Status in Linux:
Incomplete
Status in Linux Mint:
Incomplete
Status in xf86-video-intel:
Confirmed
Status in linux package in Ubuntu:
Incomplete
Status in linux package in Fedora:
Won't Fix

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

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