After restart, ShairportSync failed to start

[snuudz]

Hi,

I used rpi-audio-receiver and installed only shairport-sync and it worked well.
After restarting my raspberry pi it didn't apear in airplay again.
So, I tried to enable it:
sudo systemctl enable --now shairport-sync
Result was:

Synchronizing state of shairport-sync.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable shairport-sync
Job for shairport-sync.service failed because a fatal signal was delivered to the control process.
See "systemctl status shairport-sync.service" and "journalctl -xe" for details.

systemctl status shairport-sync.service shows:

pi@raspberrypi:~/rpi-audio-receiver-main $ systemctl status shairport-sync.service
 ● shairport-sync.service - ShairportSync AirTunes receiver
   Loaded: loaded (/lib/systemd/system/shairport-sync.service; enabled; vendor preset: enabled)
  Drop-In: /etc/systemd/system/shairport-sync.service.d
           └─override.conf
   Active: activating (start-pre) since Wed 2021-12-29 23:20:28 CET; 1s ago
     Docs: man:shairport-sync(7)
           file:///usr/share/doc/shairport-sync/README.md.gz
           https://github.com/mikebrady/shairport-sync
Cntrl PID: 3984 (sleep)
    Tasks: 1 (limit: 2059)
   CGroup: /system.slice/shairport-sync.service
           └─3984 /bin/sleep 3

Dez 29 23:20:28 raspberrypi systemd[1]: Starting ShairportSync AirTunes receiver...

journalctl -xe shows:

pi@raspberrypi:~/rpi-audio-receiver-main $ sudo journalctl -xe
--
-- The job identifier is 30505 and the job result is done.
Dez 29 23:22:57 raspberrypi systemd[1]: Starting ShairportSync AirTunes receiver...
-- Subject: A start job for unit shairport-sync.service has begun execution
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- A start job for unit shairport-sync.service has begun execution.
--
-- The job identifier is 30505.
Dez 29 23:23:00 raspberrypi shairport-sync[4107]: free(): double free detected in tcache 2
Dez 29 23:23:00 raspberrypi systemd[1]: shairport-sync.service: Control process exited, code=killed, status=6/ABRT
-- Subject: Unit process exited
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- An ExecStart= process belonging to unit shairport-sync.service has exited.
--
-- The process' exit code is 'killed' and its exit status is 6.
Dez 29 23:23:00 raspberrypi systemd[1]: shairport-sync.service: Failed with result 'signal'.
-- Subject: Unit failed
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- The unit shairport-sync.service has entered the 'failed' state with result 'signal'.
Dez 29 23:23:00 raspberrypi systemd[1]: Failed to start ShairportSync AirTunes receiver.
-- Subject: A start job for unit shairport-sync.service has failed
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- A start job for unit shairport-sync.service has finished with a failure.
--
-- The job identifier is 30505 and the job result is failed.
Dez 29 23:23:00 raspberrypi systemd[1]: shairport-sync.service: Service RestartSec=100ms expired, scheduling restart.
Dez 29 23:23:00 raspberrypi systemd[1]: shairport-sync.service: Scheduled restart job, restart counter is at 439.
-- Subject: Automatic restarting of a unit has been scheduled
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- Automatic restarting of the unit shairport-sync.service has been scheduled, as the result for
-- the configured Restart= setting for the unit.
Dez 29 23:23:00 raspberrypi systemd[1]: Stopped ShairportSync AirTunes receiver.
-- Subject: A stop job for unit shairport-sync.service has finished
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- A stop job for unit shairport-sync.service has finished.
--
-- The job identifier is 30569 and the job result is done.
Dez 29 23:23:00 raspberrypi systemd[1]: Starting ShairportSync AirTunes receiver...
-- Subject: A start job for unit shairport-sync.service has begun execution
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- A start job for unit shairport-sync.service has begun execution.
--
-- The job identifier is 30569.
Dez 29 23:23:03 raspberrypi sudo[4113]:       pi : TTY=pts/0 ; PWD=/home/pi/rpi-audio-receiver-main ; USER=root ; COMMAND=/bin/journalctl -xe
Dez 29 23:23:03 raspberrypi sudo[4113]: pam_unix(sudo:session): session opened for user root by pi(uid=0)

Someone any idea?
Thank you in advance!

[mikebrady]

Thanks for the post. I am not familiar with rpi-audio-receiver, but you can get Shairport Sync to generate a log, which might help.

Set log_verbosity to 1 or 2 in the Shairport Sync configuration file. It will log some information to the system log, and you might find something useful there.

[snuudz]

Thanks for your reply.
I fixed it by uninstalling it fully and useing your simple installation instruction , that it.