(II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/mouse0)
(II) No input driver/identifier specified (ignoring)
[mi] EQ overflowing. The server is probably stuck in an infinite loop.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x28) [0x45fcc8]
1: /usr/bin/X (mieqEnqueue+0x1f4) [0x45b344]
2: /usr/bin/X (xf86PostMotionEventP+0xc4) [0x487564]
3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f82ea566000+0x53cf) [0x7f82ea56b3cf]
4: /usr/bin/X (0x400000+0x701b7) [0x4701b7]
5: /usr/bin/X (0x400000+0x110253) [0x510253]
6: /lib/libpthread.so.0 (0x7f82f01d9000+0xf8f0) [0x7f82f01e88f0]
7: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f82eadae000+0x78140) [0x7f82eae26140]
8: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f82eadae000+0x7997d) [0x7f82eae2797d]
9: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f82eadae000+0xe1bc4) [0x7f82eae8fbc4]
10: /usr/lib/xorg/extra-modules/nvidia_drv.so (_nv001066X+0x195) [0x7f82eae4f8e5]
11: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f82eadae000+0x85972) [0x7f82eae33972]
12: /usr/lib/xorg/extra-modules/nvidia_drv.so (_nv002089X+0x3b) [0x7f82eae6543b]
13: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f82eadae000+0xb0544) [0x7f82eae5e544]
14: /usr/lib/xorg/extra-modules/nvidia_drv.so (_nv002733X+0x9d) [0x7f82eae5ec7d]
15: /usr/lib/xorg/extra-modules/nvidia_drv.so (_nv001056X+0x19e) [0x7f82eae26c8e]
16: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f82eadae000+0xe0e6a) [0x7f82eae8ee6a]
17: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f82eadae000+0x33ee5f) [0x7f82eb0ece5f]
18: /usr/bin/X (0x400000+0xdab18) [0x4dab18]
19: /usr/bin/X (0x400000+0x42cfc) [0x442cfc]
20: /usr/bin/X (0x400000+0x4418c) [0x44418c]
21: /usr/bin/X (0x400000+0x261aa) [0x4261aa]
22: /lib/libc.so.6 (__libc_start_main+0xfd) [0x7f82eeed1c4d]
23: /usr/bin/X (0x400000+0x25d59) [0x425d59]
(WW) Logitech USB Receiver: unable to handle keycode 420