Don't know if it helps - but after unplugging my iPOD, i got a slightly longer backtrace:
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
Amarok: [Loader] Starting amarokapp..
Amarok: [Loader] Don't run gdb, valgrind, etc. against this binary! Use amarokapp.
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
kbuildsycoca running...
Don't know if it helps - but after unplugging my iPOD, i got a slightly longer backtrace:
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
Amarok: [Loader] Starting amarokapp..
Amarok: [Loader] Don't run gdb, valgrind, etc. against this binary! Use amarokapp.
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
Major opcode: 147
Minor opcode: 3
Resource id: 0x0
Failed to open device
kbuildsycoca running...
And then it crashes...