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这2个播放器有很多问题，我想重新安装，感觉删除总是不干净。我想把配置文件删除了，总会删干净吧？可是不知道删哪里。

yechf@ubuntu:~$ amarok
X Error: BadDevice, invalid or uninitialized input device 166
Major opcode: 144
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 166
Major opcode: 144
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 166
Major opcode: 144
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 166
Major opcode: 144
Minor opcode: 3
Resource id: 0x0
Failed to open device
QLayout: Adding KToolBar/mainToolBar (child of QVBox/unnamed) to layout for PlaylistWindow/PlaylistWindow
ScimInputContextPlugin()
QInputContext: no input method context available
QInputContext: no input method context available
QInputContext: no input method context available
QInputContext: no input method context available
yechf@ubuntu:~$

没有办法播放音乐，怎么办啊？

yechf@ubuntu:~$ kaffeine
X Error: BadDevice, invalid or uninitialized input device 166
Major opcode: 144
Minor opcode: 3
Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 166
Major opcode: 144
Minor opcode: 3
Resource id: 0x0
Failed to open device
ASSERT: "i <= nodes" in /usr/share/qt3/include/qvaluelist.h (373)
DVB 0 : No such file or directory
DVB 1 : No such file or directory
DVB 2 : No such file or directory
DVB 3 : No such file or directory
ScimInputContextPlugin()
QInputContext: no input method context available
QInputContext: no input method context available
yechf@ubuntu:~$

kaffeine也一样，怎么回事啊？

自己摸索出来了：
1.系统设定--声音和多媒体--所有东西选默认.
2.sudo chmod 777 /dev/snd/*

搞定了amarok.