ALSA Sound not playing, but can record (Toshiba M35-S320)

[gordotango]

My sound _used_ to work, and I can't figure out what changed.

Things that work/don't work
alsamixer shows things
gnome-volume-control shows things (after the fix described elsewhere)
'arecord --format=U8 --file-type=raw --duration=10 frip' generates a file that looks correct (whistling creates a nice sign wave).

I'm at wits end as to why nothing puts out sound. All of the volume control programs show _everything unmuted, all volumes are pretty much maxed out, and I've tried rebooting, reconfiguring the sound, rebuilding the kernel, all to no avail. It just won't play sound.

Detected Hardware: #0: Intel 82801DB-ICH4 at 0xc0000c00, irq 4

Kernel 2.6.5-gentoo-r1

Sound module listing
Module Size Used by
snd_intel8x0 28804 2
snd_ac97_codec 59780 1 snd_intel8x0
snd_mpu401_uart 6144 1 snd_intel8x0
snd_rawmidi 20512 1 snd_mpu401_uart
snd_seq_oss 31744 0
snd_seq_midi_event 6272 1 snd_seq_oss
snd_seq 51984 4 snd_seq_oss,snd_seq_midi_event
snd_seq_device 6792 3 snd_rawmidi,snd_seq_oss,snd_seq
snd_pcm_oss 48804 0
snd_pcm 84616 2 snd_intel8x0,snd_pcm_oss
snd_page_alloc 8964 2 snd_intel8x0,snd_pcm
snd_timer 22020 2 snd_seq,snd_pcm
snd_mixer_oss 17920 1 snd_pcm_oss
snd 47588 16 snd_intel8x0,snd_ac97_codec,snd_mpu401_uart,snd_rawmidi,snd_seq_oss,snd_seq_midi_event,snd_seq,snd_seq_device,snd_pcm_oss,snd_pcm,snd_timer,snd_mixer_oss

[puggy]

Do you have a headphone mixer? I have a control which appears in mixer which just determines whether sound should be played through the speakers or headphone port. Perhaps see if the headphone port has sound and look for such a control.

Puggy
_________________
Where there's open source , there's a way.

[gordotango]

No I have tried with both headphones and without. I have both the headphone and the main volume turned up. Nothing is muted.

I've also tried a few combinations of muting/unmuting with both play and aplay.

[gordotango]

I fixed my problem.



I feel stupid now.

There is a small mechanical volume control on the front of the computer, and it controls all audio output apparently. So if I turn the volume up on the front, I hear sound. Funny that. I must have brushed it when moving the computer around (or putting it in my bag).

Thanks for the help.