Bug 98528 - [i915][SKL] Kernel RIP error and system shutdown when trying to set powersave mode
Summary: [i915][SKL] Kernel RIP error and system shutdown when trying to set powersave...
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: x86-64 (AMD64) All
: high critical
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-11-01 12:04 UTC by kgizdov
Modified: 2017-03-17 09:25 UTC (History)
2 users (show)

See Also:
i915 platform: SKL
i915 features:


Attachments
error log from journalctl (24.55 KB, text/plain)
2016-11-01 12:04 UTC, kgizdov
no flags Details
error log from journalctl and xrandr (106.13 KB, text/plain)
2017-02-13 20:17 UTC, Martin Schmidt
no flags Details

Description kgizdov 2016-11-01 12:04:12 UTC
Created attachment 127661 [details]
error log from journalctl

The issue presents itself almost always, I would say 4 out of 5 times when I leave my laptop to do something and come back, it has hanged. It does not accept keyboard input, display is dark, completely frozen. Forcing change of console does not work, the only action is to forcedully power off and reboot.

- system architecture: x86_64
- kernel version: 4.8.x
- Linux distribution: Arch Linux 64-bit, Linux 4.8.x
- Machine or mother board model: Dell XPS 13 9350
- Display connector: eDP

I've included the relevant bits from journalctl. I cannot do a dmesg to a file as the issue does not allow me to interact with the laptop when it occurs.
Comment 1 Martin Schmidt 2017-02-13 20:17:06 UTC
Created attachment 129558 [details]
error log from journalctl and xrandr

Same symptom and laptop.
Newer kernel.
Comment 2 Chris Wilson 2017-03-17 09:16:54 UTC
Part of the use-after-free of commit/event. Fixed around v4.10.


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