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查看系统版本 ~$ uname -a Linux laptop 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:20 UTC 2008 i686 GNU/Linux 查看型号为ac97的声卡驱动模块 ~$ modprobe -l | grep ac97 /lib/modules/2.6.27-7-generic/kernel/sound/pci/ac97/snd-ac97-codec.ko /lib/modules/2.6.27-7-generic/kernel/sound/ac97_bus.ko 查看声卡型号 ~$ lspci |grep -i audio 00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC’97 Audio Controller (rev 03) 查看声卡信息 ~$ cat /proc/asound/cards 0 [ICH5 ]: ICH4 – Intel ICH5 Intel ICH5 with AD1985 at irq 17 查看alsa-utils版本 ~$ alsactl -v alsactl version 1.0.17 查看内核alsa版本（需要与alsa-utils版本一致） cat /proc/asound/version Advanced Linux Sound Architecture Driver Version 1.0.16. Compiled on Dec 2 2008 for kernel 2.6.24-23-generic (SMP). 声卡信息 ~$ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: ICH5 [Intel ICH5], device 0: Intel ICH [Intel ICH5] Subdevices: 0/1 Subdevice #0: subdevice #0 card 0: ICH5 [Intel ICH5], device 4: Intel ICH – IEC958 [Intel ICH5 - IEC958] Subdevices: 1/1 Subdevice #0: subdevice #0 硬件信息 之 声卡（lshw指list hardware，是一个软件） ~$ sudo lshw -C sound *-multimedia UNCLAIMED description: Multimedia audio controller product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC’97 Audio Controller vendor: Intel Corporation physical id: 1f.5 bus info: pci@0000:00:1f.5 version: 03 width: 32 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: latency=0 系统模块状态 之 声音 ~$ lsmod | grep -i snd snd_pcm_oss 46496 0 snd_mixer_oss 22784 1 snd_pcm_oss snd_pcm 83844 1 snd_pcm_oss snd_seq_dummy 11012 0 snd_seq_oss 39936 0 snd_seq_midi 14368 0 snd_rawmidi 29728 1 snd_seq_midi snd_seq_midi_event 15232 2 snd_seq_oss,snd_seq_midi snd_seq 58352 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event snd_timer 29448 2 snd_pcm,snd_seq snd_seq_device 15500 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq snd 64164 9 snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 15328 1 snd snd_page_alloc 16776 1 snd_pcm # below is the module listing with working sound in kernel 2.6.24-21 :~$ cat sndmodules snd_intel8×0 35868 3 snd_ac97_codec 102176 1 snd_intel8×0 ac97_bus 3200 1 snd_ac97_codec snd_pcm_oss 42528 0 snd_mixer_oss 18048 1 snd_pcm_oss snd_pcm 79748 3 snd_intel8×0,snd_ac97_codec,snd_pcm_oss snd_seq_dummy 4996 0 snd_seq_oss 35456 0 snd_seq_midi 9504 0 snd_rawmidi 25888 1 snd_seq_midi snd_seq_midi_event 8576 2 snd_seq_oss,snd_seq_midi snd_seq 54096 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event snd_timer 24964 2 snd_pcm,snd_seq snd_seq_device 9612 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq snd 59812 17 snd_intel8×0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 8800 1 snd snd_page_alloc 12552 2 snd_intel8×0,snd_pcm
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