[Bug 90921] [BDW] GPU HANG: ecode 8:0:0xfffffffe, in Xorg [325], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90921

--- Comment #8 from Tom Chance <telex4 at yahoo.com> ---
I think I may be having a related problem since I upgraded (on debian stretch)
to kernel 4.6.0 from 4.5.0.

I get the following in syslog:

Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) [mi] EQ
overflowing.  Additional events will be discarded until existing events are
processed.
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE)
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) Backtrace:
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 0:
/usr/lib/xorg/Xorg (xorg_backtrace+0x4e) [0x55fd88968f6e]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 1:
/usr/lib/xorg/Xorg (mieqEnqueue+0x253) [0x55fd8894aa33]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 2:
/usr/lib/xorg/Xorg (QueuePointerEvents+0x52) [0x55fd88823632]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 3:
/usr/lib/xorg/Xorg (xf86PostMotionEvent+0xd6) [0x55fd8885a956]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 4:
/usr/lib/xorg/modules/input/synaptics_drv.so (0x7f0fbb634000+0x5f89)
[0x7f0fbb639f$
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 5:
/usr/lib/xorg/modules/input/synaptics_drv.so (0x7f0fbb634000+0x7532)
[0x7f0fbb63b5$
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 6:
/usr/lib/xorg/Xorg (0x55fd887b7000+0x940f8) [0x55fd8884b0f8]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 7:
/usr/lib/xorg/Xorg (0x55fd887b7000+0xb9392) [0x55fd88870392]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 8:
/lib/x86_64-linux-gnu/libc.so.6 (0x7f0fc3a6d000+0x334e0) [0x7f0fc3aa04e0]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 9:
/lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x5) [0x7f0fc3b4e4f5]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 10:
/usr/lib/xorg/modules/drivers/intel_drv.so (0x7f0fbf3ef000+0x24f5d)
[0x7f0fbf413f$
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 11:
/usr/lib/xorg/modules/drivers/intel_drv.so (0x7f0fbf3ef000+0x28904)
[0x7f0fbf4179$
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 12:
/usr/lib/xorg/modules/drivers/intel_drv.so (0x7f0fbf3ef000+0x5c3ee)
[0x7f0fbf44b3$
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 13:
/usr/lib/xorg/Xorg (BlockHandler+0x4a) [0x55fd8880f5ba]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 14:
/usr/lib/xorg/Xorg (WaitForSomething+0x163) [0x55fd88965c33]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 15:
/usr/lib/xorg/Xorg (0x55fd887b7000+0x53a1e) [0x55fd8880aa1e]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 16:
/usr/lib/xorg/Xorg (0x55fd887b7000+0x57c03) [0x55fd8880ec03]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 17:
/lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0) [0x7f0fc3a8d5f0]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) 18:
/usr/lib/xorg/Xorg (_start+0x29) [0x55fd887f8f99]
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE)
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) [mi] These
backtraces from mieqEnqueue may point to a culprit higher up the stack.
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) [mi] mieq is
*NOT* the cause.  It is a victim.
Jun 17 11:18:10 piglet kernel: [ 1087.627729] [drm] stuck on render ring
Jun 17 11:18:10 piglet kernel: [ 1087.634979] [drm] GPU HANG: ecode
8:0:0xfffffffe, in Xorg [1162], reason: Ring hung, action: reset
Jun 17 11:18:10 piglet kernel: [ 1087.634995] [drm] GPU hangs can indicate a
bug anywhere in the entire gfx stack, including userspace.
Jun 17 11:18:10 piglet kernel: [ 1087.635004] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel
Jun 17 11:18:10 piglet kernel: [ 1087.635012] [drm] drm/i915 developers can
then reassign to the right component if it's not a kernel issue.
Jun 17 11:18:10 piglet kernel: [ 1087.635019] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
Jun 17 11:18:10 piglet kernel: [ 1087.635029] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jun 17 11:18:10 piglet kernel: [ 1087.641887] drm/i915: Resetting chip after
gpu hang
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: [mi] Increasing EQ
size to 1024 to prevent dropped events.
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: [mi] EQ processing
has resumed after 37 dropped events.
Jun 17 11:18:10 piglet /usr/lib/gdm3/gdm-x-session[1160]: [mi] This may be
caused by a misbehaving driver monopolizing the server's resources.
Jun 17 11:18:13 piglet pulseaudio[916]: [pulseaudio] sink-input.c: Failed to
create sink input: sink is suspended.
Jun 17 11:18:18 piglet kernel: [ 1095.635999] [drm] stuck on render ring
Jun 17 11:18:18 piglet kernel: [ 1095.642984] [drm] GPU HANG: ecode
8:0:0xfffffffe, in Xorg [1162], reason: Ring hung, action: reset
Jun 17 11:18:18 piglet kernel: [ 1095.643414] [drm:i915_set_reset_status
[i915]] *ERROR* gpu hanging too fast, banning!
Jun 17 11:18:18 piglet kernel: [ 1095.646268] drm/i915: Resetting chip after
gpu hang
Jun 17 11:18:18 piglet /usr/lib/gdm3/gdm-x-session[1160]: (EE) intel(0): Failed
to submit rendering commands (Input/output error), disabling acceleration.

The computer hangs. This problem doesn't occur when I boot up with kernel
4.5.0.

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