[Bug 96515] New: GPU hang (ThinkPad X1 Carbon 4th, Intel Sky Lake Integrated Graphics)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96515

            Bug ID: 96515
           Summary: GPU hang (ThinkPad X1 Carbon 4th, Intel Sky Lake
                    Integrated Graphics)
           Product: DRI
           Version: unspecified
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: sjh at zorak.net
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Running the game "Hearts of Iron IV" (hoi4) I consistently get a hang, and
often a crash once the game gets going and there are many units moving on the
screen.

Crash message: (full text in attachment)

[  246.873851] [drm] stuck on render ring
[  246.875281] [drm] GPU HANG: ecode 9:0:0x87f9ffff, in hoi4 [4578], reason:
Rin
g hung, action: reset
[  246.875285] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
sta
ck, including userspace.
[  246.875287] [drm] Please file a _new_ bug report on bugs.freedesktop.org
agai
nst DRI -> DRM/Intel
[  246.875289] [drm] drm/i915 developers can then reassign to the right
componen
t if it's not a kernel issue.
[  246.875291] [drm] The gpu crash dump is required to analyze gpu hangs, so
ple
ase always attach it.
[  246.875294] [drm] GPU crash dump saved to /sys/class/drm/card0/error



System info:

System:    Host: sjh-glaptop2 Kernel: 4.2.0-36-generic x86_64 (64 bit, gcc:
4.8.2) 
           Desktop: Cinnamon 2.6.13  Distro: Ubuntu 14.04 trusty
Machine:   System: LENOVO product: 20FCS12V03 version: ThinkPad X1 Carbon 4th
           Mobo: LENOVO model: 20FCS12V03 Bios: LENOVO version: N1FET38W (1.12
) date: 03/30/2016
CPU:       Dual core Intel Core i7-6600U CPU (-HT-MCP-) cache: 4096 KB flags:
(lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 11232.3 
           Clock Speeds: 1: 499.515 MHz 2: 500.062 MHz 3: 499.953 MHz 4:
1833.671 MHz
Graphics:  Card: Intel Sky Lake Integrated Graphics bus-ID: 00:02.0 
           X.Org: 1.17.2 drivers: intel (unloaded: fbdev,vesa) Resolution:
1920x1080 at 60.0hz 
           GLX Renderer: Mesa DRI Intel Skylake ULT GT2 GLX Version: 3.0 Mesa
11.0.2 Direct Rendering: Yes
Audio:     Card: Intel Device 9d70 driver: snd_hda_intel bus-ID: 00:1f.3 Sound:
ALSA ver: k4.2.0-36-generic


I have not tried a nightly kernel, but I may have time this weekend if you
think that will help.

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