Thanks, apport think that is a duplicate of this, so I look at the crashfile: (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f399f2cdfa6] (EE) 1: /usr/bin/X (mieqEnqueue+0x26b) [0x7f399f2af2cb] (EE) 2: /usr/bin/X (0x7f399f11e000+0x6d362) [0x7f399f18b362] (EE) 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f39996bb000+0x5f34) [0x7f39996c0f34] (EE) 4: /usr/bin/X (0x7f399f11e000+0x96597) [0x7f399f1b4597] (EE) 5: /usr/bin/X (0x7f399f11e000+0xbfe08) [0x7f399f1dde08] (EE) 6: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f399e225000+0xfbd0) [0x7f399e234bd0] (EE) 7: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f399cf42747] (EE) 8: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f399e01d338] (EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x38a80) [0x7f399bc0ca80] (EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x39bb7) [0x7f399bc0dbb7] (EE) 11: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x5fae1) [0x7f399bc33ae1] (EE) 12: /usr/bin/X (BlockHandler+0x44) [0x7f399f17ab14] (EE) 13: /usr/bin/X (WaitForSomething+0x114) [0x7f399f2cb324] (EE) 14: /usr/bin/X (0x7f399f11e000+0x58791) [0x7f399f176791] (EE) 15: /usr/bin/X (0x7f399f11e000+0x4754a) [0x7f399f16554a] (EE) 16: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f399ce72ea5] (EE) 17: /usr/bin/X (0x7f399f11e000+0x47891) [0x7f399f165891] (EE) (EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack. (EE) [mi] mieq is *NOT* the cause. It is a victim. (EE) [mi] EQ overflow continuing. 100 events have been dropped. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f399f2cdfa6] (EE) 1: /usr/bin/X (0x7f399f11e000+0x6d362) [0x7f399f18b362] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f39996bb000+0x5f34) [0x7f39996c0f34] (EE) 3: /usr/bin/X (0x7f399f11e000+0x96597) [0x7f399f1b4597] (EE) 4: /usr/bin/X (0x7f399f11e000+0xbfe08) [0x7f399f1dde08] (EE) 5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f399e225000+0xfbd0) [0x7f399e234bd0] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f399cf42747] (EE) 7: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f399e01d338] (EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x38a80) [0x7f399bc0ca80] (EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x39bb7) [0x7f399bc0dbb7] (EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x5fae1) [0x7f399bc33ae1] (EE) 11: /usr/bin/X (BlockHandler+0x44) [0x7f399f17ab14] (EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x7f399f2cb324] (EE) 13: /usr/bin/X (0x7f399f11e000+0x58791) [0x7f399f176791] (EE) 14: /usr/bin/X (0x7f399f11e000+0x4754a) [0x7f399f16554a] (EE) 15: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f399ce72ea5] (EE) 16: /usr/bin/X (0x7f399f11e000+0x47891) [0x7f399f165891] (EE) (EE) [mi] EQ overflow continuing. 200 events have been dropped. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f399f2cdfa6] (EE) 1: /usr/bin/X (0x7f399f11e000+0x6d362) [0x7f399f18b362] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f39996bb000+0x5f34) [0x7f39996c0f34] (EE) 3: /usr/bin/X (0x7f399f11e000+0x96597) [0x7f399f1b4597] (EE) 4: /usr/bin/X (0x7f399f11e000+0xbfe08) [0x7f399f1dde08] (EE) 5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f399e225000+0xfbd0) [0x7f399e234bd0] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f399cf42747] (EE) 7: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f399e01d338] (EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x38a80) [0x7f399bc0ca80] (EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x39bb7) [0x7f399bc0dbb7] (EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x5fae1) [0x7f399bc33ae1] (EE) 11: /usr/bin/X (BlockHandler+0x44) [0x7f399f17ab14] (EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x7f399f2cb324] (EE) 13: /usr/bin/X (0x7f399f11e000+0x58791) [0x7f399f176791] (EE) 14: /usr/bin/X (0x7f399f11e000+0x4754a) [0x7f399f16554a] (EE) 15: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f399ce72ea5] (EE) 16: /usr/bin/X (0x7f399f11e000+0x47891) [0x7f399f165891] (EE) (EE) [mi] EQ overflow continuing. 300 events have been dropped. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f399f2cdfa6] (EE) 1: /usr/bin/X (0x7f399f11e000+0x6d362) [0x7f399f18b362] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f39996bb000+0x5f34) [0x7f39996c0f34] (EE) 3: /usr/bin/X (0x7f399f11e000+0x96597) [0x7f399f1b4597] (EE) 4: /usr/bin/X (0x7f399f11e000+0xbfe08) [0x7f399f1dde08] (EE) 5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f399e225000+0xfbd0) [0x7f399e234bd0] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f399cf42747] (EE) 7: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f399e01d338] (EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x38a80) [0x7f399bc0ca80] (EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x39bb7) [0x7f399bc0dbb7] (EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x5fae1) [0x7f399bc33ae1] (EE) 11: /usr/bin/X (BlockHandler+0x44) [0x7f399f17ab14] (EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x7f399f2cb324] (EE) 13: /usr/bin/X (0x7f399f11e000+0x58791) [0x7f399f176791] (EE) 14: /usr/bin/X (0x7f399f11e000+0x4754a) [0x7f399f16554a] (EE) 15: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f399ce72ea5] (EE) 16: /usr/bin/X (0x7f399f11e000+0x47891) [0x7f399f165891] (EE) (EE) [mi] EQ overflow continuing. 400 events have been dropped. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f399f2cdfa6] (EE) 1: /usr/bin/X (0x7f399f11e000+0x6d362) [0x7f399f18b362] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f39996bb000+0x5f34) [0x7f39996c0f34] (EE) 3: /usr/bin/X (0x7f399f11e000+0x96597) [0x7f399f1b4597] (EE) 4: /usr/bin/X (0x7f399f11e000+0xbfe08) [0x7f399f1dde08] (EE) 5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f399e225000+0xfbd0) [0x7f399e234bd0] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f399cf42747] (EE) 7: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f399e01d338] (EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x38a80) [0x7f399bc0ca80] (EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x39bb7) [0x7f399bc0dbb7] (EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x5fae1) [0x7f399bc33ae1] (EE) 11: /usr/bin/X (BlockHandler+0x44) [0x7f399f17ab14] (EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x7f399f2cb324] (EE) 13: /usr/bin/X (0x7f399f11e000+0x58791) [0x7f399f176791] (EE) 14: /usr/bin/X (0x7f399f11e000+0x4754a) [0x7f399f16554a] (EE) 15: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f399ce72ea5] (EE) 16: /usr/bin/X (0x7f399f11e000+0x47891) [0x7f399f165891] (EE) (EE) [mi] EQ overflow continuing. 500 events have been dropped. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f399f2cdfa6] (EE) 1: /usr/bin/X (0x7f399f11e000+0x6d362) [0x7f399f18b362] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f39996bb000+0x5f34) [0x7f39996c0f34] (EE) 3: /usr/bin/X (0x7f399f11e000+0x96597) [0x7f399f1b4597] (EE) 4: /usr/bin/X (0x7f399f11e000+0xbfe08) [0x7f399f1dde08] (EE) 5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f399e225000+0xfbd0) [0x7f399e234bd0] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f399cf42747] (EE) 7: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f399e01d338] (EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x38a80) [0x7f399bc0ca80] (EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x39bb7) [0x7f399bc0dbb7] (EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x5fae1) [0x7f399bc33ae1] (EE) 11: /usr/bin/X (BlockHandler+0x44) [0x7f399f17ab14] (EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x7f399f2cb324] (EE) 13: /usr/bin/X (0x7f399f11e000+0x58791) [0x7f399f176791] (EE) 14: /usr/bin/X (0x7f399f11e000+0x4754a) [0x7f399f16554a] (EE) 15: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f399ce72ea5] (EE) 16: /usr/bin/X (0x7f399f11e000+0x47891) [0x7f399f165891] (EE) (EE) [mi] EQ overflow continuing. 600 events have been dropped. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f399f2cdfa6] (EE) 1: /usr/bin/X (0x7f399f11e000+0x6d362) [0x7f399f18b362] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f39996bb000+0x5f34) [0x7f39996c0f34] (EE) 3: /usr/bin/X (0x7f399f11e000+0x96597) [0x7f399f1b4597] (EE) 4: /usr/bin/X (0x7f399f11e000+0xbfe08) [0x7f399f1dde08] (EE) 5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f399e225000+0xfbd0) [0x7f399e234bd0] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f399cf42747] (EE) 7: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f399e01d338] (EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x38a80) [0x7f399bc0ca80] (EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x39bb7) [0x7f399bc0dbb7] (EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x5fae1) [0x7f399bc33ae1] (EE) 11: /usr/bin/X (BlockHandler+0x44) [0x7f399f17ab14] (EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x7f399f2cb324] (EE) 13: /usr/bin/X (0x7f399f11e000+0x58791) [0x7f399f176791] (EE) 14: /usr/bin/X (0x7f399f11e000+0x4754a) [0x7f399f16554a] (EE) 15: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f399ce72ea5] (EE) 16: /usr/bin/X (0x7f399f11e000+0x47891) [0x7f399f165891] (EE) (EE) [mi] EQ overflow continuing. 700 events have been dropped. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f399f2cdfa6] (EE) 1: /usr/bin/X (0x7f399f11e000+0x6d362) [0x7f399f18b362] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f39996bb000+0x5f34) [0x7f39996c0f34] (EE) 3: /usr/bin/X (0x7f399f11e000+0x96597) [0x7f399f1b4597] (EE) 4: /usr/bin/X (0x7f399f11e000+0xbfe08) [0x7f399f1dde08] (EE) 5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f399e225000+0xfbd0) [0x7f399e234bd0] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f399cf42747] (EE) 7: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f399e01d338] (EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x38a80) [0x7f399bc0ca80] (EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x39bb7) [0x7f399bc0dbb7] (EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f399bbd4000+0x5fae1) [0x7f399bc33ae1] (EE) 11: /usr/bin/X (BlockHandler+0x44) [0x7f399f17ab14] (EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x7f399f2cb324] (EE) 13: /usr/bin/X (0x7f399f11e000+0x58791) [0x7f399f176791] (EE) 14: /usr/bin/X (0x7f399f11e000+0x4754a) [0x7f399f16554a] (EE) 15: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f399ce72ea5] (EE) 16: /usr/bin/X (0x7f399f11e000+0x47891) [0x7f399f165891] (EE) [ 33539.787] (EE) intel(0): Detected a hung GPU, disabling acceleration. [ 33539.787] (EE) intel(0): When reporting this, please include i915_error_state from debugfs and the full dmesg. --- Ubuntu Bug Squad volunteer triager http://wiki.ubuntu.com/BugSquad