Comment 6 for bug 184817

I got the same problem here.. Somewhere in the process to 8.04 lts it stopped working..

KeymapNotify event, serial 31, synthetic NO, window 0x0,
    keys: 4294967206 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0
           0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

FocusOut event, serial 31, synthetic NO, window 0x4000001,
    mode NotifyUngrab, detail NotifyPointer

FocusIn event, serial 31, synthetic NO, window 0x4000001,
    mode NotifyGrab, detail NotifyPointer

KeymapNotify event, serial 31, synthetic NO, window 0x0,
    keys: 1 0 0 0 32 64 0 0 1 0 0 0 0 0 0 0
           0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0