On Thu, Oct 30, 2008 at 12:41 PM, Andrew MacKenzie <[EMAIL PROTECTED]> wrote:
> My MythTV Gentoo box has recently started having issues recording sound.
> The TV tuner re-plays audio through the "mic" interface on my soundcard.
> It has worked for months, but now MythTV can't read anything from /dev/dsp.
>
> Any device that uses ALSA directly seems to work fine (like TVTime which
> plays TV with audio just fine) - only those that rely on /dev/dsp seem to
> have trouble. My simple test shows this:
>
> # cat /dev/dsp > /dev/null
> cat: /dev/dsp: Input/output error
>
> This was run as root. Perms are fine:
>
> crw-rw---- 1 root audio 14, 3 2008-10-03 08:56 /dev/dsp
>
> Myth user is in audio group (always has been).
>
> Has something changed in ALSA that I didn't catch? I don't see anything in
> my logs or dmesg that shows a problem. My /etc/asound.conf is as follows:
> pcm.nforce-hw {
> type hw
> card 0
> }
> pcm.!default {
> type plug
> slave.pcm "nforce"
> }
> pcm.nforce {
> type dmix
> ipc_key 1234
> ipc_perm 0660
> slave {
> pcm "hw:0,0"
> period_time 0
> period_size 1024
> buffer_size 4096
> #rate 44100
> rate 48000
> }
> }
> ctl.nforce-hw {
> type hw
> card 0
> }
>
>
> I have tried without this asound.conf and see the same issue.
Try using alsaconf as root.
--
Andrey Vul
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