open /dev/fb0: No such file or directory
[mi] EQ overflowing.  Additional events will be discarded until existing events are processed.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x48) [0x7f57a8548d28]
1: /usr/bin/X (mieqEnqueue+0x22b) [0x7f57a852ad7b]
2: /usr/bin/X (QueuePointerEvents+0x52) [0x7f57a840ca72]
3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f579f23a000+0x57fd) [0x7f579f23f7fd]
4: /usr/bin/X (0x7f57a83a0000+0x92e88) [0x7f57a8432e88]
5: /usr/bin/X (0x7f57a83a0000+0xbb5c0) [0x7f57a845b5c0]
6: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f57a749d000+0x10340) [0x7f57a74ad340]
7: /lib/x86_64-linux-gnu/libpthread.so.0 (write+0x10) [0x7f57a74ac340]
8: /usr/bin/X (0x7f57a83a0000+0x1b542a) [0x7f57a855542a]
9: /usr/bin/X (LogVMessageVerb+0x9d) [0x7f57a85554fd]
10: /usr/bin/X (ErrorF+0x8c) [0x7f57a855575c]
11: /usr/bin/X (mieqProcessInputEvents+0x1e2) [0x7f57a852b382]
12: /usr/bin/X (ProcessInputEvents+0x9) [0x7f57a8432fe9]
13: /usr/bin/X (xf86VTSwitch+0x365) [0x7f57a8433905]
14: /usr/bin/X (WakeupHandler+0x6d) [0x7f57a83fa39d]
15: /usr/bin/X (WaitForSomething+0x1bf) [0x7f57a85462df]
16: /usr/bin/X (0x7f57a83a0000+0x55771) [0x7f57a83f5771]
17: /usr/bin/X (0x7f57a83a0000+0x598aa) [0x7f57a83f98aa]
18: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f57a5edcec5]
19: /usr/bin/X (0x7f57a83a0000+0x44dde) [0x7f57a83e4dde]

[mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
[mi] mieq is *NOT* the cause.  It is a victim.