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Home > Archive > Linux Debian support > December 2005 > Missing /dev/dsp - using udev
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Missing /dev/dsp - using udev
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| Madhusudan Singh 2005-12-07, 2:52 am |
| Hi
Working with a fresh install of Debian Etch here and having some difficulty
getting sound to work. I have the following modules loaded :
snd_emu10k1_synth 8576 0
snd_emux_synth 40960 1 snd_emu10k1_synth
snd_seq_virmidi 7424 1 snd_emux_synth
snd_seq_midi_emul 7936 1 snd_emux_synth
snd_seq_dummy 3844 0
snd_seq_oss 36224 0
snd_seq_midi 10528 0
snd_seq_midi_event 7168 3 snd_seq_virmidi,snd_seq_oss,snd_seq_midi
snd_seq 57744 9
snd_emux_synth,snd_seq_virmidi,snd_seq_m
idi_emul,snd_seq_dummy,snd_seq_oss,snd_s
eq_midi,snd_seq_midi_event
snd_emu10k1 130084 1 snd_emu10k1_synth
snd_rawmidi 26400 3 snd_seq_virmidi,snd_seq_midi,snd_emu10k1
snd_seq_device 9100 8
snd_emu10k1_synth,snd_emux_synth,snd_seq
_dummy,snd_seq_oss,snd_seq_midi,snd_seq,
snd_emu10k1,snd_rawmidi
snd_ac97_codec 100348 1 snd_emu10k1
snd_pcm_oss 63904 0
snd_mixer_oss 21632 1 snd_pcm_oss
snd_pcm 102024 3 snd_emu10k1,snd_ac97_codec,snd_pcm_oss
snd_timer 26500 3 snd_seq,snd_emu10k1,snd_pcm
snd_ac97_bus 2432 1 snd_ac97_codec
snd_page_alloc 11784 2 snd_emu10k1,snd_pcm
snd_util_mem 5120 2 snd_emux_synth,snd_emu10k1
snd_hwdep 9632 2 snd_emux_synth,snd_emu10k1
snd 60004 13
snd_emux_synth,snd_seq_virmidi,snd_seq_o
ss,snd_seq,snd_emu10k1,snd_rawmidi,snd_s
eq_device,snd_ac97_codec,snd_pcm_oss,snd
_mixer_oss,snd_pcm,snd_timer,snd_hwdep
soundcore 10080 1 snd
I get an error message :
Sound server informational message:
Error while initializing the sound driver:
device /dev/dsp can't be opened (No such file or directory)
The sound server will continue, using the null output device.
Indeed, there is no /dev/dsp with this custom compiled kernel (2.6.14.3 with
the software suspend 2 patch). How do I make sure it gets set up
correctly ? And, any good references for working with udev ?
Thanks.
| |
| ynotssor 2005-12-07, 2:52 am |
| "Madhusudan Singh" <spammers-go-here@spam.invalid> wrote in message
news:dn5p9v$na0$1@domitilla.aioe.org
> I get an error message :
>
> Sound server informational message:
> Error while initializing the sound driver:
> device /dev/dsp can't be opened (No such file or directory)
> The sound server will continue, using the null output device.
>
> Indeed, there is no /dev/dsp with this custom compiled kernel
> (2.6.14.3 with the software suspend 2 patch). How do I make
> sure it gets set up correctly ?
# cd /dev; ./MAKEDEV -v sound
"man MAKEDEV" for further info.
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| Madhusudan Singh 2005-12-07, 5:48 pm |
| ynotssor wrote:
> "Madhusudan Singh" <spammers-go-here@spam.invalid> wrote in message
> news:dn5p9v$na0$1@domitilla.aioe.org
>
>
> # cd /dev; ./MAKEDEV -v sound
>
> "man MAKEDEV" for further info.
nanak:/dev# ./MAKEDEV -v sound
create mixer c 14 0 root:audio 0660
create mixer1 c 14 16 root:audio 0660
create mixer2 c 14 32 root:audio 0660
create mixer3 c 14 48 root:audio 0660
create sequencer c 14 1 root:audio 0660
create midi00 c 14 2 root:audio 0660
create midi01 c 14 18 root:audio 0660
create midi02 c 14 34 root:audio 0660
create midi03 c 14 50 root:audio 0660
create dsp c 14 3 root:audio 0660
create dsp1 c 14 19 root:audio 0660
create dsp2 c 14 35 root:audio 0660
create dsp3 c 14 51 root:audio 0660
create audio c 14 4 root:audio 0660
create audio1 c 14 20 root:audio 0660
create audio2 c 14 36 root:audio 0660
create audio3 c 14 52 root:audio 0660
create sndstat c 14 6 root:audio 0660
create audioctl c 14 7 root:audio 0660
create mpu401data c 31 0 root:audio 0660
create mpu401stat c 31 1 root:audio 0660
create midi0 c 35 0 root:audio 0660
create rmidi0 c 35 64 root:audio 0660
create smpte0 c 35 128 root:audio 0660
create midi1 c 35 1 root:audio 0660
create rmidi1 c 35 65 root:audio 0660
create smpte1 c 35 129 root:audio 0660
create midi2 c 35 2 root:audio 0660
create rmidi2 c 35 66 root:audio 0660
create smpte2 c 35 130 root:audio 0660
create midi3 c 35 3 root:audio 0660
create rmidi3 c 35 67 root:audio 0660
create smpte3 c 35 131 root:audio 0660
Didn't work for me. However, it has created a bunch of dsp devices (among
other things) under /dev/.static/dev/ :
nanak:/dev/.static/dev# ls -ltr dsp*
crw-rw---- 1 root audio 14, 3 2005-12-05 22:51 dsp0
crw-rw---- 1 root audio 14, 51 2005-12-07 10:20 dsp3
crw-rw---- 1 root audio 14, 35 2005-12-07 10:20 dsp2
crw-rw---- 1 root audio 14, 19 2005-12-07 10:20 dsp1
crw-rw---- 1 root audio 14, 3 2005-12-07 10:20 dsp
I have never seen this kind of thing before. What is going on ?
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