I have systemd-sysv installed and there is nothing special. It can happen while using vlc, youtube, even without using the machine.
It seems a permission issue, according to the ls command . *ls -la /run/user/1000* drwx------ 6 adrian adrian 120 dic 11 11:30 . drwxr-xr-x 3 root root 60 dic 11 11:58 .. drwx------ 2 adrian adrian 60 dic 11 11:28 dconf dr-x------ 2 adrian adrian 0 dic 11 11:30 gvfs drwx------ 2 adrian adrian 80 dic 11 11:27 pulse drwxr-xr-x 2 adrian adrian 80 dic 11 11:28 systemd *ls -la /run/user/1000/pulse* drwx------ 2 adrian adrian 80 dic 11 11:27 . drwx------ 6 adrian adrian 120 dic 11 11:30 .. srwxrwxrwx 1 adrian adrian 0 dic 11 11:27 native -rw------- 1 adrian adrian 5 dic 11 11:27 pid 2014-12-11 4:53 GMT+01:00 Felipe Sateler <fsate...@debian.org>: > Control: tags -1 moreinfo > > On Wed, Dec 10, 2014 at 3:59 PM, Adrian <adr...@gmail.com> wrote: > > Package: pulseaudio > > Version: 5.0-13 > > Severity: important > > > > I get these errors in /var/log/syslog and sound stops working: > > > > pulseaudio[22447]: [pulseaudio] main.c: Failed to acquire autospawn lock > > pulseaudio[1164]: Denied access to client with invalid authorization > data. > > pulseaudio[22566]: [autospawn] core-util.c: Failed to create secure > directory > > (/run/user/1000/pulse): Permission denied > > This looks suspicious. What do the following commands say? > > ls -la /run/user/1000 > ls -la /run/user/1000/pulse > > Also, what init system are you using: do you have systemd-sysv installed? > > Finally, does something in particular happen before sound stops > working? Did you run a particular command, or do something in > particular with the computer? > -- > > Saludos, > Felipe Sateler >