On 29.11.2020 11:33, Narcis Garcia wrote:

de nov. 29 11:29:53 raspberrypi vdr[11391]: [11391] ERROR
(dvbdevice.c,1650): /dev/dvb/adapter0/frontend1: El dispositiu o recurs
es troba ocupat

Looks like the dvb-adapter is already in use.
You can try to figure which process is holding on to it by running:

sudo lsof |grep /dev/dvb/adap|awk '{print $2}'|uniq|xargs ps -fp

André

$ sudo lsof |grep /dev/dvb/adap|awk '{print $2}'|uniq|xargs ps -fp
lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
      Output information may be incomplete.
UID        PID  PPID  C STIME TTY          TIME CMD
vdr      11391     1  0 11:29 ?        00:01:10 /usr/bin/vdr

Narcís