[mi] EQ overflowing.  Additional events will be discarded until existing events are processed.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x36) [0x7f6ed8885e76]
1: /usr/bin/X (mieqEnqueue+0x26b) [0x7f6ed886725b]
2: /usr/bin/X (0x7f6ed86dd000+0x6a4c2) [0x7f6ed87474c2]
3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6ed4220000+0x5f34) [0x7f6ed4225f34]
4: /usr/bin/X (0x7f6ed86dd000+0x93837) [0x7f6ed8770837]
5: /usr/bin/X (0x7f6ed86dd000+0xbd018) [0x7f6ed879a018]
6: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f6ed7a03000+0xfbb0) [0x7f6ed7a12bb0]
7: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f6ed673c7a7]
8: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f6ed77fa348]
9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6ed53db000+0x37f70) [0x7f6ed5412f70]
10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6ed53db000+0x39007) [0x7f6ed5414007]
11: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6ed53db000+0x5f3e1) [0x7f6ed543a3e1]
12: /usr/bin/X (BlockHandler+0x44) [0x7f6ed8736c54]
13: /usr/bin/X (WaitForSomething+0x114) [0x7f6ed8883214]
14: /usr/bin/X (0x7f6ed86dd000+0x55861) [0x7f6ed8732861]
15: /usr/bin/X (0x7f6ed86dd000+0x4461a) [0x7f6ed872161a]
16: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f6ed666ec15]
17: /usr/bin/X (0x7f6ed86dd000+0x4495d) [0x7f6ed872195d]

[mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
[mi] mieq is *NOT* the cause.  It is a victim.
[mi] EQ overflow continuing.  100 events have been dropped.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x36) [0x7f6ed8885e76]
1: /usr/bin/X (0x7f6ed86dd000+0x6a4c2) [0x7f6ed87474c2]
2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6ed4220000+0x5f34) [0x7f6ed4225f34]
3: /usr/bin/X (0x7f6ed86dd000+0x93837) [0x7f6ed8770837]
4: /usr/bin/X (0x7f6ed86dd000+0xbd018) [0x7f6ed879a018]
5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f6ed7a03000+0xfbb0) [0x7f6ed7a12bb0]
6: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f6ed673c7a7]
7: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f6ed77fa348]
8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6ed53db000+0x37f70) [0x7f6ed5412f70]
9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6ed53db000+0x39007) [0x7f6ed5414007]
10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6ed53db000+0x5f3e1) [0x7f6ed543a3e1]
11: /usr/bin/X (BlockHandler+0x44) [0x7f6ed8736c54]
12: /usr/bin/X (WaitForSomething+0x114) [0x7f6ed8883214]
13: /usr/bin/X (0x7f6ed86dd000+0x55861) [0x7f6ed8732861]
14: /usr/bin/X (0x7f6ed86dd000+0x4461a) [0x7f6ed872161a]
15: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f6ed666ec15]
16: /usr/bin/X (0x7f6ed86dd000+0x4495d) [0x7f6ed872195d]

intel(0): Detected a hung GPU, disabling acceleration.
intel(0): When reporting this, please include i915_error_state from debugfs and the full dmesg.