Description of problem:
nothing special run firefox + evolution

Version-Release number of selected component:
xorg-x11-server-Xorg-1.12.3-2.fc17

Additional info:
libreport version: 2.0.18
abrt_version:   2.0.18
kernel:         3.6.5-1.fc17.x86_64

backtrace:
:0: /usr/bin/Xorg (xorg_backtrace+0x36) [0x4652d6]
:1: /usr/bin/Xorg (mieqEnqueue+0x26b) [0x5514db]
:2: /usr/bin/Xorg (0x400000+0x47f32) [0x447f32]
:3: /usr/bin/Xorg (xf86PostMotionEvent+0xd0) [0x4900a0]
:4: /usr/lib64/xorg/modules/input/synaptics_drv.so (0x7f5de783f000+0x5085) [0x7f5de7844085]
:5: /usr/lib64/xorg/modules/input/synaptics_drv.so (0x7f5de783f000+0x6fa4) [0x7f5de7845fa4]
:6: /usr/bin/Xorg (0x400000+0x807b7) [0x4807b7]
:7: /usr/bin/Xorg (0x400000+0xa4ab0) [0x4a4ab0]
:8: /lib64/libpthread.so.0 (0x33f5e00000+0xefe0) [0x33f5e0efe0]
:9: /lib64/libc.so.6 (__select+0x13) [0x33f5aea9c3]
:10: /usr/bin/Xorg (WaitForSomething+0x190) [0x462850]
:11: /usr/bin/Xorg (0x400000+0x34141) [0x434141]
:12: /usr/bin/Xorg (0x400000+0x23485) [0x423485]
:13: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x33f5a21735]
:14: /usr/bin/Xorg (0x400000+0x2375d) [0x42375d]