?

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

#I have a disabled volume control applet on the panel (red cross)
# attempting to use it give the following message
The volume control did not find any elements and/or devices to control. This means either that you don’t have the right GStreamer plugins installed, or?that you don’t have a sound card configured.

轉載于:https://www.cnblogs.com/lvdongjie/p/4153327.html

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