For further info, it also occurs on XBMC when full screen. Here is the backtrace I get from my xorg log
Backtrace: [ 10271.990] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80e82fb] [ 10271.990] 1: /usr/bin/X (0x8048000+0x5da8d) [0x80a5a8d] [ 10271.990] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0x91640c] [ 10271.990] 3: /usr/bin/X (mieqProcessDeviceEvent+0xd3) [0x80e75b3] [ 10271.991] 4: /usr/bin/X (mieqProcessInputEvents+0x6c) [0x80e775c] [ 10271.991] 5: /usr/bin/X (ProcessInputEvents+0x17) [0x80b1797] [ 10271.991] 6: /usr/bin/X (0x8048000+0x25d2e) [0x806dd2e] [ 10271.991] 7: /usr/bin/X (0x8048000+0x1a5ba) [0x80625ba] [ 10271.991] 8: /lib/libc.so.6 (__libc_start_main+0xe7) [0x15fce7] [ 10271.991] 9: /usr/bin/X (0x8048000+0x1a191) [0x8062191] [ 10271.991] Segmentation fault at address 0x6 [ 10271.991] Caught signal 11 (Segmentation fault). Server aborting [ 10271.991] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/597895 Title: X crashes on key press -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs