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

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x3d) [0x7fcb0625afdd]
1: /usr/bin/X (mieqEnqueue+0x22b) [0x7fcb0623cf1b]
2: /usr/bin/X (QueuePointerEvents+0x52) [0x7fcb06123a92]
3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fcaf5150000+0x566f) [0x7fcaf515566f]
4: /usr/bin/X (0x7fcb060b8000+0x91ee8) [0x7fcb06149ee8]
5: /usr/bin/X (0x7fcb060b8000+0xba930) [0x7fcb06172930]
6: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fcb05198000+0xfbb0) [0x7fcb051a7bb0]
7: /usr/bin/X (0x7fcb060b8000+0x1a71a0) [0x7fcb0625f1a0]
8: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fcb05198000+0xfbb0) [0x7fcb051a7bb0]
9: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0x955b) [0x7fcb05e9955b]
10: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0x9f2a) [0x7fcb05e99f2a]
11: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0xa1a9) [0x7fcb05e9a1a9]
12: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0xec75) [0x7fcb05e9ec75]
13: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0x15725) [0x7fcb05ea5725]
14: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/amdxmm.so (glesx740XvSetPortAttribute+0x5d) [0x7fcafc5470ed]
15: /usr/bin/X (XvdiSetPortAttribute+0x1d) [0x7fcb061a946d]
16: /usr/bin/X (0x7fcb060b8000+0xf2c64) [0x7fcb061aac64]
17: /usr/bin/X (0x7fcb060b8000+0x5525e) [0x7fcb0610d25e]
18: /usr/bin/X (0x7fcb060b8000+0x447ba) [0x7fcb060fc7ba]
19: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7fcb03db9de5]
20: /usr/bin/X (0x7fcb060b8000+0x44aff) [0x7fcb060fcaff]

[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+0x3d) [0x7fcb0625afdd]
1: /usr/bin/X (QueuePointerEvents+0x52) [0x7fcb06123a92]
2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fcaf5150000+0x566f) [0x7fcaf515566f]
3: /usr/bin/X (0x7fcb060b8000+0x91ee8) [0x7fcb06149ee8]
4: /usr/bin/X (0x7fcb060b8000+0xba930) [0x7fcb06172930]
5: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fcb05198000+0xfbb0) [0x7fcb051a7bb0]
6: /usr/bin/X (0x7fcb060b8000+0x1a71a0) [0x7fcb0625f1a0]
7: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fcb05198000+0xfbb0) [0x7fcb051a7bb0]
8: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0x955b) [0x7fcb05e9955b]
9: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0x9f2a) [0x7fcb05e99f2a]
10: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0xa1a9) [0x7fcb05e9a1a9]
11: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0xec75) [0x7fcb05e9ec75]
12: /lib64/ld-linux-x86-64.so.2 (0x7fcb05e90000+0x15725) [0x7fcb05ea5725]
13: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/amdxmm.so (glesxXvSetPortAttribute+0x6a) [0x7fcafc54bb8a]
14: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/amdxmm.so (glesx740XvSetPortAttribute+0x5d) [0x7fcafc5470ed]
15: /usr/bin/X (XvdiSetPortAttribute+0x1d) [0x7fcb061a946d]
16: /usr/bin/X (0x7fcb060b8000+0xf2c64) [0x7fcb061aac64]
17: /usr/bin/X (0x7fcb060b8000+0x5525e) [0x7fcb0610d25e]
18: /usr/bin/X (0x7fcb060b8000+0x447ba) [0x7fcb060fc7ba]
19: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7fcb03db9de5]
20: /usr/bin/X (0x7fcb060b8000+0x44aff) [0x7fcb060fcaff]