Bug 88838

Summary:	[gen4] GPU hang with youtube
Product:	Mesa	Reporter:	sanjay <sanjay.linganna>
Component:	Drivers/DRI/i965	Assignee:	Ian Romanick <idr>
Status:	RESOLVED INVALID	QA Contact:	Intel 3D Bugs Mailing List <intel-3d-bugs>
Severity:	normal
Priority:	medium	CC:	intel-gfx-bugs
Version:	unspecified
Hardware:	x86 (IA32)
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:
Attachments:	error state, Xorg logs, kernel log error.bz2

Description sanjay 2015-01-27 23:02:29 UTC

Created attachment 112894 [details]
error state, Xorg logs, kernel log

I'm new to Linux & didn't really understand the past bugs, so sorry if this is a duplicate.

Ubuntu Trusty 32-bit on a Thinkpad x61s (kernel 3.13.0-44 generic).
Screen goes completely black at times (no backlight even) and stays that way. Switching to tty1 doesn't help.
This usually can be re-created by starting certain youtube videos (https://www.youtube.com/watch?v=6eqryolAPow). 
Closing the lid (going to suspend) then reopening will result in the screen turning on again but without window decorators/toolbars/dock.
Was using Precise for a year or so without any video issues at all on this machine.

SSH'ed in while screen blanked and got the following logs (attached), can get other ones if needed.
kern.log
Xorg.0.log & old
i915_error_state

Thank you for your time and help, I really appreciate it.
-Sanjay

Comment 1 Chris Wilson 2015-01-28 09:06:43 UTC

Hmm, copied a zero length i915_error_state. Please can you "bzip2 < /sys/class/drm/card0/error > error.bz2" and attach it.

Comment 2 sanjay 2015-01-28 23:36:55 UTC

Created attachment 112925 [details]
error.bz2

Oops, sorry! This file has a *bit* more info then the last. Let me know if you need the kernel or xorg logs as well.

Thanks,
Sanjay

Comment 3 Chris Wilson 2015-03-01 18:23:14 UTC

Likely to be one of the gen4 dupes, so look for an updated mesa.

Comment 4 sanjay 2015-03-01 20:23:43 UTC

Thanks, will do.

Comment 5 Annie 2017-02-10 22:38:34 UTC

Dear Reporter,

This Mesa bug has been in the "NEEDINFO" status for over 60 days. I am closing this bug based on lack of response but feel free to reopen if resolution is still needed. Please ensure you're supplying the correct information as requested.

Thank you.

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