This is a more recent log, previous may be different problem...
Backtrace: [ 2545.515] 0: /usr/bin/X (xorg_backtrace+0x26) [0x7f10c6948856] [ 2545.515] 1: /usr/bin/X (mieqEnqueue+0x263) [0x7f10c6928f33] [ 2545.515] 2: /usr/bin/X (0x7f10c67c0000+0x62924) [0x7f10c6822924] [ 2545.515] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f10bec5c000+0x5d88) [0x7f10bec61d88] [ 2545.515] 4: /usr/bin/X (0x7f10c67c0000+0x8adf7) [0x7f10c684adf7] [ 2545.515] 5: /usr/bin/X (0x7f10c67c0000+0xb0d3a) [0x7f10c6870d3a] [ 2545.515] 6: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f10c5ae6000+0xfcb0) [0x7f10c5af5cb0] [ 2545.515] 7: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f10c4a44d27] [ 2545.515] 8: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f10bf744000+0x113815) [0x7f10bf857815] [ 2545.515] 9: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f10bf744000+0x19fab4) [0x7f10bf8e3ab4] [ 2545.515] 10: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f10bf744000+0x19081a) [0x7f10bf8d481a] [ 2545.515] 11: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f10bf744000+0x190663) [0x7f10bf8d4663] [ 2545.515] 12: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f10bf744000+0x18cbef) [0x7f10bf8d0bef] [ 2545.515] 13: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f10bf744000+0x19a858) [0x7f10bf8de858] [ 2545.515] 14: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f10bf744000+0x10c97b) [0x7f10bf85097b] [ 2545.515] 15: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f10bf744000+0x8e267) [0x7f10bf7d2267] [ 2545.515] 16: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f10bf744000+0x4b74d5) [0x7f10bfbfb4d5] [ 2545.515] 17: /usr/bin/X (DPMSSet+0xff) [0x7f10c684ab8f] [ 2545.515] 18: /usr/bin/X (mieqProcessInputEvents+0x141) [0x7f10c69294f1] [ 2545.515] 19: /usr/bin/X (ProcessInputEvents+0x9) [0x7f10c684ae79] [ 2545.515] 20: /usr/bin/X (0x7f10c67c0000+0x4e4d3) [0x7f10c680e4d3] [ 2545.515] 21: /usr/bin/X (0x7f10c67c0000+0x3d6aa) [0x7f10c67fd6aa] [ 2545.516] 22: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed) [0x7f10c497b76d] [ 2545.516] 23: /usr/bin/X (0x7f10c67c0000+0x3d99d) [0x7f10c67fd99d] [ 2545.516] [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack. [ 2545.516] [mi] mieq is *NOT* the cause. It is a victim.
This is a more recent log, previous may be different problem...
Backtrace: +0x26) [0x7f10c6948856] +0x62924) [0x7f10c6822924] xorg/modules/ input/evdev_ drv.so (0x7f10bec5c000 +0x5d88) [0x7f10bec61d88] +0x8adf7) [0x7f10c684adf7] +0xb0d3a) [0x7f10c6870d3a] 64-linux- gnu/libpthread. so.0 (0x7f10c5ae6000 +0xfcb0) [0x7f10c5af5cb0] 64-linux- gnu/libc. so.6 (ioctl+0x7) [0x7f10c4a44d27] x86_64- linux-gnu/ xorg/extra- modules/ nvidia_ drv.so (0x7f10bf744000 +0x113815) [0x7f10bf857815] x86_64- linux-gnu/ xorg/extra- modules/ nvidia_ drv.so (0x7f10bf744000 +0x19fab4) [0x7f10bf8e3ab4] x86_64- linux-gnu/ xorg/extra- modules/ nvidia_ drv.so (0x7f10bf744000 +0x19081a) [0x7f10bf8d481a] x86_64- linux-gnu/ xorg/extra- modules/ nvidia_ drv.so (0x7f10bf744000 +0x190663) [0x7f10bf8d4663] x86_64- linux-gnu/ xorg/extra- modules/ nvidia_ drv.so (0x7f10bf744000 +0x18cbef) [0x7f10bf8d0bef] x86_64- linux-gnu/ xorg/extra- modules/ nvidia_ drv.so (0x7f10bf744000 +0x19a858) [0x7f10bf8de858] x86_64- linux-gnu/ xorg/extra- modules/ nvidia_ drv.so (0x7f10bf744000 +0x10c97b) [0x7f10bf85097b] x86_64- linux-gnu/ xorg/extra- modules/ nvidia_ drv.so (0x7f10bf744000 +0x8e267) [0x7f10bf7d2267] x86_64- linux-gnu/ xorg/extra- modules/ nvidia_ drv.so (0x7f10bf744000 +0x4b74d5) [0x7f10bfbfb4d5] utEvents+ 0x141) [0x7f10c69294f1] ents+0x9) [0x7f10c684ae79] +0x4e4d3) [0x7f10c680e4d3] +0x3d6aa) [0x7f10c67fd6aa] 64-linux- gnu/libc. so.6 (__libc_ start_main+ 0xed) [0x7f10c497b76d] +0x3d99d) [0x7f10c67fd99d]
[ 2545.515] 0: /usr/bin/X (xorg_backtrace
[ 2545.515] 1: /usr/bin/X (mieqEnqueue+0x263) [0x7f10c6928f33]
[ 2545.515] 2: /usr/bin/X (0x7f10c67c0000
[ 2545.515] 3: /usr/lib/
[ 2545.515] 4: /usr/bin/X (0x7f10c67c0000
[ 2545.515] 5: /usr/bin/X (0x7f10c67c0000
[ 2545.515] 6: /lib/x86_
[ 2545.515] 7: /lib/x86_
[ 2545.515] 8: /usr/lib/
[ 2545.515] 9: /usr/lib/
[ 2545.515] 10: /usr/lib/
[ 2545.515] 11: /usr/lib/
[ 2545.515] 12: /usr/lib/
[ 2545.515] 13: /usr/lib/
[ 2545.515] 14: /usr/lib/
[ 2545.515] 15: /usr/lib/
[ 2545.515] 16: /usr/lib/
[ 2545.515] 17: /usr/bin/X (DPMSSet+0xff) [0x7f10c684ab8f]
[ 2545.515] 18: /usr/bin/X (mieqProcessInp
[ 2545.515] 19: /usr/bin/X (ProcessInputEv
[ 2545.515] 20: /usr/bin/X (0x7f10c67c0000
[ 2545.515] 21: /usr/bin/X (0x7f10c67c0000
[ 2545.516] 22: /lib/x86_
[ 2545.516] 23: /usr/bin/X (0x7f10c67c0000
[ 2545.516] [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
[ 2545.516] [mi] mieq is *NOT* the cause. It is a victim.