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04-10-2007, 03:32 PM
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#1
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Member
Registered: Jul 2005
Location: Brighton, UK
Distribution: Mainly Debian and Mepis, but also Slackware, Arch and Mandriva
Posts: 73
Rep:
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/dev/audio, /dev/dsp and /dev/mixer missing in Debian Etch
Hi
I recently did a clean install of Debian Etch after running Sarge for ages, and discovered whilst configuring MPD that /dev/audio, /dev/dsp and /dev/mixer all appear to be missing, however checking with lspci and lsmod shows that the sound card is detected and the modules are being loaded:
Code:
roxy:/home/ownage# lspci
00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (rev 03)
00:01.0 PCI bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge (rev 03)
00:04.0 Multimedia audio controller: Cirrus Logic CS 4614/22/24 [CrystalClear SoundFusion Audio Accelerator] (rev 01)
00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 02)
00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
00:07.2 USB Controller: Intel Corporation 82371AB/EB/MB PIIX4 USB (rev 01)
00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
00:10.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G200 AGP (rev 03)
roxy:/home/ownage#
Code:
roxy:/home/ownage# lsmod
Module Size Used by
ipv6 226016 12
button 6672 0
ac 5188 0
battery 9636 0
dm_snapshot 15552 0
dm_mirror 19152 0
dm_mod 50232 2 dm_snapshot,dm_mirror
loop 15048 0
parport_pc 32132 0
parport 33256 1 parport_pc
floppy 53156 0
rtc 12372 0
serio_raw 6660 0
snd_cs46xx 76360 0
psmouse 35016 0
gameport 14632 2 snd_cs46xx
snd_rawmidi 22560 1 snd_cs46xx
snd_seq_device 7820 1 snd_rawmidi
snd_ac97_codec 83104 1 snd_cs46xx
snd_ac97_bus 2400 1 snd_ac97_codec
i2c_piix4 8140 0
snd_pcm 68676 2 snd_cs46xx,snd_ac97_codec
i2c_core 19680 1 i2c_piix4
pcspkr 3072 0
snd_timer 20996 1 snd_pcm
snd 47012 6 snd_cs46xx,snd_rawmidi,snd_seq_device,snd_ac97_codec,snd_pcm,snd_timer
soundcore 9248 1 snd
snd_page_alloc 9640 2 snd_cs46xx,snd_pcm
intel_agp 21148 1
agpgart 29896 1 intel_agp
shpchp 33024 0
pci_hotplug 28704 1 shpchp
evdev 9088 0
ext3 119240 1
jbd 52456 1 ext3
mbcache 8356 1 ext3
ide_disk 14848 3
8139cp 21920 0
generic 5476 0 [permanent]
uhci_hcd 21164 0
8139too 25120 0
mii 5344 2 8139cp,8139too
usbcore 112644 2 uhci_hcd
piix 9444 0 [permanent]
ide_core 110504 3 ide_disk,generic,piix
thermal 13608 0
processor 28840 1 thermal
fan 4804 0
roxy:/home/ownage#
As far as I can tell everything else seems to be as it should (in Sarge the sound just worked), except that the files are missing.
Thanks in advance.
1337_penguin
Last edited by 1337_penguin; 04-10-2007 at 03:34 PM.
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04-10-2007, 06:23 PM
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#2
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Member
Registered: May 2005
Location: Sydney, Australia
Distribution: Ubuntu 5.04, Debian 3.1
Posts: 74
Rep:
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Hi,
Are there any sound errors in the dmesg command output? You can also try loading this module which I think is missing:
# modprobe snd-pcm-oss
and see if there are any devices created in /dev/snd. Also try running alsamixer and amixer to see what kind of output you get. You can also run alsaconf as root and see if your card gets recognized correctly.
Another thing I can think of is if you don't have the /dev/snd/* device nodes, download the alsa-driver tarball and run the snddevices shell script.
Cheers,
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04-11-2007, 11:33 AM
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#3
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Member
Registered: Jul 2005
Location: Brighton, UK
Distribution: Mainly Debian and Mepis, but also Slackware, Arch and Mandriva
Posts: 73
Original Poster
Rep:
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Loading the snd-pcm-oss module created /dev/audio, /dev/dsp and /dev/mixer, after which I was able to use rexima to adjust the volume and stuff. /dev/snd contained the following files anyway:
Code:
roxy:/home/ownage# ls -l /dev/snd
total 0
crw-rw---- 1 root audio 116, 0 2007-04-10 20:43 controlC0
crw-rw---- 1 root audio 116, 8 2007-04-10 20:43 midiC0D0
crw-rw---- 1 root audio 116, 24 2007-04-10 20:43 pcmC0D0c
crw-rw---- 1 root audio 116, 16 2007-04-10 20:43 pcmC0D0p
crw-rw---- 1 root audio 116, 17 2007-04-10 20:43 pcmC0D1p
crw-rw---- 1 root audio 116, 18 2007-04-10 20:43 pcmC0D2p
crw-rw---- 1 root audio 116, 33 2007-04-10 20:43 timer
roxy:/home/ownage#
Despite this, there was still no sound, so I changed the permissions on /dev/audio, dsp and mixer from 660 to 666, which didn't help either. I finally installed alsa-utils to get alsaconf and, after running it, the sound's now working.
Thanks for the advice.
1337_penguin
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