声卡坏了？！

超级用户

近来我的声卡总是突然不发声，播放软件无法播放，无论是KDE的软件还是控制台mplayer。
但是重启又好，过不了一会儿又挂，有时甚至锁死。。

系统日志如下

Sep 26 13:28:04 localhost kernel: codec_write 0: semaphore is not ready for register 0x2c
Sep 26 13:28:04 localhost kernel: codec_read 0: semaphore is not ready for register 0x2c
Sep 26 13:28:04 localhost last message repeated 2 times
Sep 26 13:28:04 localhost kernel: codec_write 0: semaphore is not ready for register 0x2c
Sep 26 13:28:04 localhost kernel: codec_read 0: semaphore is not ready for register 0x2c
Sep 26 13:28:37 localhost kernel: codec_write 0: semaphore is not ready for register 0x2c
Sep 26 13:28:37 localhost kernel: codec_read 0: semaphore is not ready for register 0x2c
Sep 26 13:28:37 localhost last message repeated 2 times
Sep 26 13:28:37 localhost kernel: codec_write 0: semaphore is not ready for register 0x2c
Sep 26 13:28:37 localhost kernel: codec_read 0: semaphore is not ready for register 0x2c
Sep 26 13:29:17 localhost kernel: codec_write 0: semaphore is not ready for register 0x2c
Sep 26 13:29:17 localhost kernel: codec_read 0: semaphore is not ready for register 0x2c
Sep 26 13:29:17 localhost last message repeated 2 times
Sep 26 13:29:17 localhost kernel: codec_write 0: semaphore is not ready for register 0x2c

超级用户

google过了……