[Bug 94575] New: GPU HANG: ecode 9:0:0x84df3ffc (stuck on render ring) [iris graphics/i7 6560U]
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Mar 16 17:36:50 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=94575
Bug ID: 94575
Summary: GPU HANG: ecode 9:0:0x84df3ffc (stuck on render ring)
[iris graphics/i7 6560U]
Product: DRI
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: dump at tzib.net
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 122351
--> https://bugs.freedesktop.org/attachment.cgi?id=122351&action=edit
Log output from /sys/class/drm/card0/error after hang
When DRI is enabled, I periodically (every 5min or so) get (like everyone elses
with the same hardware it seems):
ar 15 17:14:00 xps13 kernel: [drm] stuck on render ring
Mar 15 17:14:00 xps13 kernel: [drm] GPU HANG: ecode 9:0:0x84df3ffc, in glxgears
[9275], reason: Ring hung, action: reset
Mar 15 17:14:00 xps13 kernel: [drm] GPU hangs can indicate a bug anywhere in
the entire gfx stack, including userspace.
Mar 15 17:14:00 xps13 kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Mar 15 17:14:00 xps13 kernel: [drm] drm/i915 developers can then reassign to
the right component if it's not a kernel issue.
Mar 15 17:14:00 xps13 kernel: [drm] The gpu crash dump is required to analyze
gpu hangs, so please always attach it.
Mar 15 17:14:00 xps13 kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Mar 15 17:14:00 xps13 kernel: drm/i915: Resetting chip after gpu hang
Mar 15 17:14:01 xps13 kernel: [drm] RC6 on
Mar 15 17:14:08 xps13 kernel: [drm] stuck on render ring
Mar 15 17:14:08 xps13 kernel: [drm] GPU HANG: ecode 9:0:0x87f53ff9, in glxgears
[9275], reason: Ring hung, action: reset
[..] and so on
Screen (eDP1/integrated laptop screen) freezes for a few seconds during the
hang. Running glxgears at full speed (vsync off) helps triggering the problem
more quickly though it happens either way.
Disabling rc6 on kernel command line also works around the problem.
This is on a XPS13 "2016" (ie brand new model) with a i7-6560U CPU and "Iris"
graphics.
The kernel used is Linux xps13 4.5.0-1-drm-intel-nightly #1 SMP PREEMPT Tue Mar
15 13:41:07 PDT 2016 x86_64 GNU/Linux (ie built from git today) though the same
problem happens on mainline 4.5.0 (also from today).
I use xorg 1.18.1-3 with the video-intel xorg driver 1:2.99.917+560+gd167280 on
ArchLinux.
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