Looks like this in postinst:
deb-systemd-invoke $_dh_action 'ibacm.service' 'ibacm.socket' >/dev/null ||
true
I already had a bug (with Debian) about debhelpers and that socket+service
should not start both but I fail to find it atm.
I also get the feeling I miss something here :-/
Well it is a fast and easy to iterate on experiments for now.
Note: as with my other tests the trigger to the ibacm socket can easily be
reproduced with:
$ echo "Hello World2"| netcat -U /run/ibacm-unix.sock
Tests:
#1 - Upgrading from broken state to the fixed PPA: working
This no more has the restart, so the upgrade works (otherwise it was
failed postinst).
The systemd services stay "as they are" which is socket up and service
failed (ok).
A connect to the socket after the upgrade tries to start the service (ok
if working,
propagating the fail to the socket if failing)
ibacm.socket: Failed with result 'service-start-limit-hit'.
That is ok, package upgrade fixed the package install status and socket
activation woudl
still work.
#2 - fresh install from fixed PPA: working
The service is loaded and enabled and the socket is active
A connect to the socket tries to start the service (ok if working,
propagating the fail to the socket if failing)
Overall:
- the package postinst stopped to be broken
- the module for it has to be available late (when the socket is used) instead
of on-install
allowing some hotplug
- It isn't too important if it fails on the condition check or as it does now
The log is correct:
/var/log/ibacm.log:
[...]
2018-10-16T10:55:11.560: acm_open_devices: ERROR - unable to get device list
2018-10-16T10:55:11.560: main: ERROR - unable to open any devices
That said, upstream or at least Debian (which I think is the same in
this case) would need to agree to drop the sysV script.
I'll propose it there (PR that is already linked) and on the Mailing
list once I rebased my tests for them.
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https://bugs.launchpad.net/bugs/1794825
Title:
ibacm service fails if ub_umad module is not loaded
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