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Bug#859926: speechd-up: fails to install



Hi all,

I don't know what to make of it, but when I first start the speechd-up
daemon by hand, then the init script succeeds (because it finds the
daemon already running). But now it comes, I then can stop and start the
daemon successfully, but only when I am quick enough. This is
reproducible, sleep 4 works always, sleep 5 always fails (so far).

paul@testavoira ~/ $ sudo /sbin/start-stop-daemon --start --nicelevel 0
--quiet --oknodo --chdir "/" --exec "/usr/bin/speechd-up" --oknodo
--pidfile "/var/run/speechd-up.pid" -- -l1
[Tue Apr 18 21:46:42 2017] speechd: Configuration has been read from
"/etc/speechd-up.conf"

paul@testavoira ~ $ sudo service speechd-up start

paul@testavoira ~ $ sudo service speechd-up stop ; sleep 4 ; sudo
service speechd-up start

paul@testavoira ~ $ sudo service speechd-up stop ; sleep 5 ; sudo
service speechd-up start
Job for speechd-up.service failed because the control process exited
with error code.
See "systemctl status speechd-up.service" and "journalctl -xe" for details.

If I look at the processes that are running after a sleep 4 look, I
notice that speech-dispatcher keeps the same PID, so apparently with
sleep 4 it isn't killed and still alive when speechd-up wants to connect
to it. With sleep 4, the speech-dispatcher is killed and speechd-up
fails to connect (as seen in the speechd-up.log).

The big question is why systemd can't get speech-dispatcher up before
speechd-up wants to talk to it. One thing I noticed is that
/etc/default/speech-dispatcher has RUN=no, so starting speech-dispatcher
with the init script succeeds, but doesn't do anything. I think that
that may cause the confusion of systemd as the speechd-up init script
depends on the speech-dispatcher init script.

Setting RUN=yes, allows systemd to start speech-dispatcher, but
apparently that isn't enough, because it still fails to start
speechd-up. Speech-dispatcher isn't running anymore after starting
speechd-up while it was running before calling the init script, so it
looks like systemd tries to restart speech-dispatcher and fails doing
that properly.

Paul


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