lstewart-laptop# gdb /usr/local/bin/Xorg /Xorg.core [snip] (gdb) bt #0 0x000000000044e335 in DeliverEventsToWindow () #1 0x000000000051d253 in SendEventToAllWindows () #2 0x000000000043e97b in DisableDevice () #3 0x000000000043ec7e in RemoveDevice () #4 0x000000000048b443 in DeleteInputDeviceRequest () #5 0x000000000043edbf in CloseDownDevices () #6 0x00000000004e4d88 in AbortServer () #7 0x00000000004e53d7 in FatalError () #8 0x0000000000476269 in xf86SigHandler () #9 #10 0x0000000000513cee in DeliverPropertyEvent () #11 0x000000000042ffb3 in TraverseTree () #12 0x0000000000513c9a in RRDeleteAllOutputProperties () #13 0x0000000000512691 in RROutputDestroyResource () #14 0x000000000042f5e2 in FreeClientResources () #15 0x000000000042f6bf in FreeAllResources () #16 0x000000000042d333 in main () (gdb) info threads * 1 Thread 801c021c0 (LWP 100114) 0x000000000044e335 in DeliverEventsToWindow ()