查看系統版本

~$ uname -a

Linux laptop 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:20 UTC 2008 i686 GNU/Linux

查看型號為ac97的聲卡驅動模塊

~$ 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

查看聲卡型號

~$ 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)

查看聲卡信息

~$ 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

查看內核alsa版本(需要與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).

聲卡信息

~$ 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 聲卡(lshw指list hardware，是一個軟件)

~$ 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

系統模塊狀態 之 聲音

~$ 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

總結

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