Re: No sound with Pulseaudio

[Selim T. Erdoğan <selim@alumni.cs.utexas.edu>]

On Sun, Jan 05, 2020 at 09:18:53PM +0100, Yoann LE BARS wrote:
> 
> > As someone else mentioned, possibly some other process is keeping the 
> > audio device busy. 'lsof | grep /dev/snd/' (as root) should help.
> 
> 	Yes, why have I not done this before?
> 
> # lsof | grep /dev/snd/
> lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
>       Output information may be incomplete.
> alsactl    573                       root    4r      CHR
> 116,7       0t0      16293 /dev/snd/controlC0
> timidity   861                   timidity  mem       CHR
> 116,2                16230 /dev/snd/pcmC0D0p
> timidity   861                   timidity    3r      CHR
> 116,33       0t0      12983 /dev/snd/timer
> timidity   861                   timidity    4u      CHR
> 116,2       0t0      16230 /dev/snd/pcmC0D0p
> timidity   861                   timidity    5u      CHR
> 116,7       0t0      16293 /dev/snd/controlC0
> timidity   861                   timidity    6u      CHR
> 116,1       0t0      12984 /dev/snd/seq
> 
> 	Now, this is interesting, as some reported troubles between Timidity
> and Pulseaudio (e.g. https://bbs.archlinux.org/viewtopic.php?id=154002).
> I have no problem with Timidity and Pulseaudio on other Debian 10
> systems, as well on Fedora or Ubuntu. Anyway, I should investigate this.

Try "systemctl stop timidity.service"

After upgrading to buster my sound stopped working as usual and then 
based on stuff I read on this list, I tried the above command, which 
solves it, until a reboot.  (I didn't investigate further.)