[Bug 96681] New: GUI hangs after a few minutes of activity

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96681

            Bug ID: 96681
           Summary: GUI hangs after a few minutes of activity
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: oz at bluemonk.de
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 124725
  --> https://bugs.freedesktop.org/attachment.cgi?id=124725&action=edit
sys-class-drm-card0-error

Dear maintainers,

since 4.6-er series kernel the GUI and input devices hang after a few minutes
of activity (for example webbrowsing). Usually I have the chance to return  to
console with Ctrl-Alt-F1 (which also lags a few minutes) to shutdown the
system.

The GUI is very stable with the former Debian Kernel Name:
linux-image-4.5.0-2-amd64  Version: 4.5.5-1. 

The problematic kernel is for example Debian kernel Name:
linux-image-4.6.0-1-amd64  Version:4.6.2-2.

The kern.log catches events starting with:
[code]
Jun 26 10:30:23 amy kernel: [  253.706204] [drm] stuck on render ring
Jun 26 10:30:23 amy kernel: [  253.712117] [drm] GPU HANG: ecode
8:0:0xfffffffe, in Xorg [683], reason: Ring hung, action: reset
Jun 26 10:30:23 amy kernel: [  253.712121] [drm] GPU hangs can indicate a bug
anywhere in the entire gfx stack, including userspace.
Jun 26 10:30:23 amy kernel: [  253.712123] [drm] Please file a _new_ bug report
on bugs.freedesktop.org against DRI -> DRM/Intel
Jun 26 10:30:23 amy kernel: [  253.712125] [drm] drm/i915 developers can then
reassign to the right component if it's not a kernel issue.
Jun 26 10:30:23 amy kernel: [  253.712127] [drm] The gpu crash dump is required
to analyze gpu hangs, so please always attach it.
Jun 26 10:30:23 amy kernel: [  253.712128] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jun 26 10:30:23 amy kernel: [  253.714221] drm/i915: Resetting chip after gpu
hang
Jun 26 10:30:31 amy kernel: [  261.710739] [drm] stuck on render ring
Jun 26 10:30:31 amy kernel: [  261.716770] [drm] GPU HANG: ecode
8:0:0xfffffffe, in Xorg [683], reason: Ring hung, action: reset
Jun 26 10:30:31 amy kernel: [  261.718255] [drm:i915_set_reset_status [i915]]
*ERROR* gpu hanging too fast, banning!
Jun 26 10:30:31 amy kernel: [  261.720424] drm/i915: Resetting chip after gpu
hang
Jun 26 10:32:03 amy kernel: [  354.150760] ------------[ cut here ]------------
Jun 26 10:32:03 amy kernel: [  354.150960] WARNING: CPU: 0 PID: 683 at
/build/linux-FzSZXp/linux-4.6.2/drivers/gpu/drm/i915/intel_display.c:3931
intel_atomic_commit+0x1476/0x14f0 [i915]
Jun 26 10:32:03 amy kernel: [  354.150971] Removing stuck page flip
[...]
[/code]

Attached is cat /sys/class/drm/card0/error.

Thank you

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