Bug#818306: systemd: processes get killed during resume

[Michael Biebl]

Am 15.03.2016 um 20:15 schrieb Ritesh Raj Sarraf:
> Package: systemd
> Version: 229-2
> Severity: normal
> 
> 
> This odd behavior is only happening during swsusp resume operation. I
> suspend my laptop on power, and then before resume, I unplug the power
> cable. Laptop Mode Tools detects the state change, and runs its scripts.
> Of those scripts, some just get killed.
> 
> 
> If the run the same ExecReload command or `systemctl -no-block
> reload-or-restart laptop-mode` after the machine has resumed, it works
> fine.
> 
> 
> Apart from systemd, LMT could get invoked through other calling
> processes, like: acpid, udev etc. All those invoking tools call
> /lib/udev/lmt-udev (attached). 
> 
> Below is my systemd .service file.
> 
> 
> [Unit]
> Description=Laptop Mode Tools
> Documentation=man:laptop_mode(8) man:laptop-mode.conf(8)
> Documentation=http://github.com/rickysarraf/laptop-mode-tools
> 
> [Service]
> Type=oneshot
> RemainAfterExit=yes
> ExecStart=@/usr/sbin/laptop_mode init auto
> ExecStop=@/usr/sbin/laptop_mode init stop
> ExecStopPost=@/bin/rm -f /var/run/laptop-mode-tools/enabled
> ExecReload=@/usr/sbin/laptop_mode auto
> StandardOutput=journal
> StandardError=journal
> 
> [Install]
> WantedBy=multi-user.target
> 
> rrs at learner:~$ sudo systemctl status laptop-mode
> ● laptop-mode.service - Laptop Mode Tools
>    Loaded: loaded (/lib/systemd/system/laptop-mode.service; enabled; vendor preset: enabled)
>    Active: active (exited) (Result: exit-code) since Wed 2016-03-16 00:12:32 IST; 14min ago
>      Docs: man:laptop_mode(8)
>            man:laptop-mode.conf(8)
>            http://github.com/rickysarraf/laptop-mode-tools
>   Process: 10624 ExecReload=auto (code=exited, status=2)
>  Main PID: 1801 (code=exited, status=0/SUCCESS)
>     Tasks: 0 (limit: 512)
>    CGroup: /system.slice/laptop-mode.service
> 
> Mar 16 00:26:36 learner systemd[1]: Reloading Laptop Mode Tools.
> Mar 16 00:26:36 learner systemd[1]: Reloaded Laptop Mode Tools.
> Mar 16 00:26:36 learner laptop_mode[10624]: Laptop mode
> Mar 16 00:26:36 learner laptop_mode[10624]: enabled, active
> Mar 16 00:26:36 learner su[10873]: Successful su for rrs by root
> Mar 16 00:26:36 learner su[10873]: + ??? root:rrs
> Mar 16 00:26:36 learner su[10873]: pam_unix(su:session): session opened for user rrs by (uid=0)
> Mar 16 00:26:37 learner laptop_mode[10624]: /usr/sbin/laptop_mode: 26: /usr/share/laptop-mode-tools/modules/runtime-pm: Cannot fork
> Mar 16 00:26:37 learner laptop_mode[10624]: /usr/sbin/laptop_mode: 0: /usr/sbin/laptop_mode: Cannot fork
> Mar 16 00:26:37 learner systemd[1]: laptop-mode.service: Control process exited, code=exited status=2
> 2016-03-16 / 00:27:01 ♒♒♒  ☺  

I don't see systemd killing the scripts but rather the scripts failing
to fork. So this looks like a lmt issue to me.


-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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