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

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x48) [0x7f9c15789a48]
1: /usr/bin/X (mieqEnqueue+0x22b) [0x7f9c1576babb]
2: /usr/bin/X (QueuePointerEvents+0x52) [0x7f9c1564da92]
3: /usr/bin/X (xf86PostMotionEvent+0xd6) [0x7f9c15683916]
4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x4947) [0x7f9c0cee9947]
5: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x6732) [0x7f9c0ceeb732]
6: /usr/bin/X (0x7f9c155e1000+0x92df8) [0x7f9c15673df8]
7: /usr/bin/X (0x7f9c155e1000+0xbb480) [0x7f9c1569c480]
8: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f9c146de000+0x10330) [0x7f9c146ee330]
9: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f9c131edfe7]
10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x2104c) [0x7f9c0f9ee04c]
11: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x28a63) [0x7f9c0f9f5a63]
12: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6ec4d) [0x7f9c0fa3bc4d]
13: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6f5d5) [0x7f9c0fa3c5d5]
14: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x71e8e) [0x7f9c0fa3ee8e]
15: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x54634) [0x7f9c0fa21634]
16: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x5b6dd) [0x7f9c0fa286dd]
17: /usr/bin/X (0x7f9c155e1000+0x133074) [0x7f9c15714074]
18: /usr/bin/X (0x7f9c155e1000+0x1292aa) [0x7f9c1570a2aa]
19: /usr/bin/X (0x7f9c155e1000+0x55a9e) [0x7f9c15636a9e]
20: /usr/bin/X (0x7f9c155e1000+0x5990a) [0x7f9c1563a90a]
21: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f9c1311dec5]
22: /usr/bin/X (0x7f9c155e1000+0x44e7e) [0x7f9c15625e7e]

[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+0x48) [0x7f9c15789a48]
1: /usr/bin/X (QueuePointerEvents+0x52) [0x7f9c1564da92]
2: /usr/bin/X (xf86PostMotionEvent+0xd6) [0x7f9c15683916]
3: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x4947) [0x7f9c0cee9947]
4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x6732) [0x7f9c0ceeb732]
5: /usr/bin/X (0x7f9c155e1000+0x92df8) [0x7f9c15673df8]
6: /usr/bin/X (0x7f9c155e1000+0xbb480) [0x7f9c1569c480]
7: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f9c146de000+0x10330) [0x7f9c146ee330]
8: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f9c131edfe7]
9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x2104c) [0x7f9c0f9ee04c]
10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x28a63) [0x7f9c0f9f5a63]
11: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6ec4d) [0x7f9c0fa3bc4d]
12: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6f5d5) [0x7f9c0fa3c5d5]
13: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x71e8e) [0x7f9c0fa3ee8e]
14: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x54634) [0x7f9c0fa21634]
15: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x5b6dd) [0x7f9c0fa286dd]
16: /usr/bin/X (0x7f9c155e1000+0x133074) [0x7f9c15714074]
17: /usr/bin/X (0x7f9c155e1000+0x1292aa) [0x7f9c1570a2aa]
18: /usr/bin/X (0x7f9c155e1000+0x55a9e) [0x7f9c15636a9e]
19: /usr/bin/X (0x7f9c155e1000+0x5990a) [0x7f9c1563a90a]
20: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f9c1311dec5]
21: /usr/bin/X (0x7f9c155e1000+0x44e7e) [0x7f9c15625e7e]

[mi] EQ overflow continuing.  200 events have been dropped.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x48) [0x7f9c15789a48]
1: /usr/bin/X (QueuePointerEvents+0x52) [0x7f9c1564da92]
2: /usr/bin/X (xf86PostMotionEvent+0xd6) [0x7f9c15683916]
3: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x4947) [0x7f9c0cee9947]
4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x6732) [0x7f9c0ceeb732]
5: /usr/bin/X (0x7f9c155e1000+0x92df8) [0x7f9c15673df8]
6: /usr/bin/X (0x7f9c155e1000+0xbb480) [0x7f9c1569c480]
7: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f9c146de000+0x10330) [0x7f9c146ee330]
8: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f9c131edfe7]
9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x2104c) [0x7f9c0f9ee04c]
10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x28a63) [0x7f9c0f9f5a63]
11: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6ec4d) [0x7f9c0fa3bc4d]
12: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6f5d5) [0x7f9c0fa3c5d5]
13: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x71e8e) [0x7f9c0fa3ee8e]
14: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x54634) [0x7f9c0fa21634]
15: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x5b6dd) [0x7f9c0fa286dd]
16: /usr/bin/X (0x7f9c155e1000+0x133074) [0x7f9c15714074]
17: /usr/bin/X (0x7f9c155e1000+0x1292aa) [0x7f9c1570a2aa]
18: /usr/bin/X (0x7f9c155e1000+0x55a9e) [0x7f9c15636a9e]
19: /usr/bin/X (0x7f9c155e1000+0x5990a) [0x7f9c1563a90a]
20: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f9c1311dec5]
21: /usr/bin/X (0x7f9c155e1000+0x44e7e) [0x7f9c15625e7e]

[mi] EQ overflow continuing.  300 events have been dropped.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x48) [0x7f9c15789a48]
1: /usr/bin/X (QueuePointerEvents+0x52) [0x7f9c1564da92]
2: /usr/bin/X (xf86PostMotionEvent+0xd6) [0x7f9c15683916]
3: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x4947) [0x7f9c0cee9947]
4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x6732) [0x7f9c0ceeb732]
5: /usr/bin/X (0x7f9c155e1000+0x92df8) [0x7f9c15673df8]
6: /usr/bin/X (0x7f9c155e1000+0xbb480) [0x7f9c1569c480]
7: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f9c146de000+0x10330) [0x7f9c146ee330]
8: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f9c131edfe7]
9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x2104c) [0x7f9c0f9ee04c]
10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x28a63) [0x7f9c0f9f5a63]
11: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6ec4d) [0x7f9c0fa3bc4d]
12: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6f5d5) [0x7f9c0fa3c5d5]
13: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x71e8e) [0x7f9c0fa3ee8e]
14: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x54634) [0x7f9c0fa21634]
15: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x5b6dd) [0x7f9c0fa286dd]
16: /usr/bin/X (0x7f9c155e1000+0x133074) [0x7f9c15714074]
17: /usr/bin/X (0x7f9c155e1000+0x1292aa) [0x7f9c1570a2aa]
18: /usr/bin/X (0x7f9c155e1000+0x55a9e) [0x7f9c15636a9e]
19: /usr/bin/X (0x7f9c155e1000+0x5990a) [0x7f9c1563a90a]
20: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f9c1311dec5]
21: /usr/bin/X (0x7f9c155e1000+0x44e7e) [0x7f9c15625e7e]

[mi] EQ overflow continuing.  400 events have been dropped.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x48) [0x7f9c15789a48]
1: /usr/bin/X (QueuePointerEvents+0x52) [0x7f9c1564da92]
2: /usr/bin/X (xf86PostMotionEvent+0xd6) [0x7f9c15683916]
3: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x4947) [0x7f9c0cee9947]
4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x6732) [0x7f9c0ceeb732]
5: /usr/bin/X (0x7f9c155e1000+0x92df8) [0x7f9c15673df8]
6: /usr/bin/X (0x7f9c155e1000+0xbb480) [0x7f9c1569c480]
7: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f9c146de000+0x10330) [0x7f9c146ee330]
8: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f9c131edfe7]
9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x2104c) [0x7f9c0f9ee04c]
10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x28a63) [0x7f9c0f9f5a63]
11: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6ec4d) [0x7f9c0fa3bc4d]
12: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6f5d5) [0x7f9c0fa3c5d5]
13: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x71e8e) [0x7f9c0fa3ee8e]
14: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x54634) [0x7f9c0fa21634]
15: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x5b6dd) [0x7f9c0fa286dd]
16: /usr/bin/X (0x7f9c155e1000+0x133074) [0x7f9c15714074]
17: /usr/bin/X (0x7f9c155e1000+0x1292aa) [0x7f9c1570a2aa]
18: /usr/bin/X (0x7f9c155e1000+0x55a9e) [0x7f9c15636a9e]
19: /usr/bin/X (0x7f9c155e1000+0x5990a) [0x7f9c1563a90a]
20: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f9c1311dec5]
21: /usr/bin/X (0x7f9c155e1000+0x44e7e) [0x7f9c15625e7e]

[mi] EQ overflow continuing.  500 events have been dropped.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x48) [0x7f9c15789a48]
1: /usr/bin/X (QueuePointerEvents+0x52) [0x7f9c1564da92]
2: /usr/bin/X (xf86PostMotionEvent+0xd6) [0x7f9c15683916]
3: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x4947) [0x7f9c0cee9947]
4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f9c0cee5000+0x6732) [0x7f9c0ceeb732]
5: /usr/bin/X (0x7f9c155e1000+0x92df8) [0x7f9c15673df8]
6: /usr/bin/X (0x7f9c155e1000+0xbb480) [0x7f9c1569c480]
7: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f9c146de000+0x10330) [0x7f9c146ee330]
8: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f9c131edfe7]
9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x2104c) [0x7f9c0f9ee04c]
10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x28a63) [0x7f9c0f9f5a63]
11: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6ec4d) [0x7f9c0fa3bc4d]
12: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x6f5d5) [0x7f9c0fa3c5d5]
13: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x71e8e) [0x7f9c0fa3ee8e]
14: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x54634) [0x7f9c0fa21634]
15: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f9c0f9cd000+0x5b6dd) [0x7f9c0fa286dd]
16: /usr/bin/X (0x7f9c155e1000+0x133074) [0x7f9c15714074]
17: /usr/bin/X (0x7f9c155e1000+0x1292aa) [0x7f9c1570a2aa]
18: /usr/bin/X (0x7f9c155e1000+0x55a9e) [0x7f9c15636a9e]
19: /usr/bin/X (0x7f9c155e1000+0x5990a) [0x7f9c1563a90a]
20: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f9c1311dec5]
21: /usr/bin/X (0x7f9c155e1000+0x44e7e) [0x7f9c15625e7e]