Arch Linux

Description:
systemctl stop laptop-mode.service does not actually disable laptop-mode

It looks like systemd is trying to pass laptop-mode-tools the 'stop' and 'start' commands like this:
ExecStop=/usr/bin/laptop_mode init stop
ExecStop=/usr/bin/laptop_mode init auto

The author notes in #4 in this faq http://samwel.tk/laptop_mode/faq
"Note that the /usr/sbin/laptop_mode command does not support the "start" and "stop" commands anymore. These commands interfere with the low-battery detection code, and they default to "auto" for that reason."



Additional info:
* package version(s)
Version : 1.64-1
[dylan@zenbook ~]$ uname -a
Linux zenbook 3.12.6-1-iwlwifidebug #1 SMP PREEMPT Sun Dec 29 01:49:34 PST 2013 x86_64 GNU/Linux
[dylan@zenbook ~]$

* config and/or log files etc.
Default

Steps to reproduce:

Power plugged, laptop mode running
[dylan@zenbook ~]$ cat /proc/sys/vm/laptop_mode
0
[dylan@zenbook ~]$ sudo systemctl status laptop-mode.service
laptop-mode.service - Laptop Mode Tools
Loaded: loaded (/usr/lib/systemd/system/laptop-mode.service; enabled)
Active: active (exited) since Tue 2014-01-14 23:09:06 PST; 6s ago
Process: 19666 ExecStopPost=/bin/rm -f /var/run/laptop-mode-tools/enabled (code=exited, status=0/SUCCESS)
Process: 19104 ExecStop=/usr/bin/laptop_mode init stop (code=exited, status=0/SUCCESS)
Process: 19686 ExecStart=/usr/bin/laptop_mode init auto (code=exited, status=0/SUCCESS)
Main PID: 19686 (code=exited, status=0/SUCCESS)

Jan 14 23:09:06 zenbook systemd[1]: Starting Laptop Mode Tools...
Jan 14 23:09:06 zenbook systemd[1]: Started Laptop Mode Tools.
[dylan@zenbook ~]$ sudo iwconfig wlan0 | grep Management
Power Management:off



Stop laptop_mode
[dylan@zenbook ~]$ sudo systemctl stop laptop-mode.service
[dylan@zenbook ~]$ sudo systemctl status laptop-mode.service
laptop-mode.service - Laptop Mode Tools
Loaded: loaded (/usr/lib/systemd/system/laptop-mode.service; enabled)
Active: inactive (dead) since Tue 2014-01-14 23:11:52 PST; 1s ago
Process: 23538 ExecStopPost=/bin/rm -f /var/run/laptop-mode-tools/enabled (code=exited, status=0/SUCCESS)
Process: 22972 ExecStop=/usr/bin/laptop_mode init stop (code=exited, status=0/SUCCESS)
Process: 19686 ExecStart=/usr/bin/laptop_mode init auto (code=exited, status=0/SUCCESS)
Main PID: 19686 (code=exited, status=0/SUCCESS)

Jan 14 23:09:06 zenbook systemd[1]: Starting Laptop Mode Tools...
Jan 14 23:09:06 zenbook systemd[1]: Started Laptop Mode Tools.
Jan 14 23:11:52 zenbook systemd[1]: Stopping Laptop Mode Tools...
Jan 14 23:11:52 zenbook systemd[1]: Stopped Laptop Mode Tools.


Unplug power...

Wireless still being set into Power Management mode:
[dylan@zenbook ~]$ sudo iwconfig wlan0 | grep Management
Power Management:on
[dylan@zenbook ~]$

and laptop mode still showing as active
[dylan@zenbook ~]$ cat /proc/sys/vm/laptop_mode
2

Verify that laptop mode is supposed to be stopped:
[dylan@zenbook ~]$ sudo systemctl status laptop-mode.service
laptop-mode.service - Laptop Mode Tools
Loaded: loaded (/usr/lib/systemd/system/laptop-mode.service; enabled)
Active: inactive (dead) since Tue 2014-01-14 23:11:52 PST; 1min 35s ago
Process: 23538 ExecStopPost=/bin/rm -f /var/run/laptop-mode-tools/enabled (code=exited, status=0/SUCCESS)
Process: 22972 ExecStop=/usr/bin/laptop_mode init stop (code=exited, status=0/SUCCESS)
Process: 19686 ExecStart=/usr/bin/laptop_mode init auto (code=exited, status=0/SUCCESS)
Main PID: 19686 (code=exited, status=0/SUCCESS)

Jan 14 23:09:06 zenbook systemd[1]: Starting Laptop Mode Tools...
Jan 14 23:09:06 zenbook systemd[1]: Started Laptop Mode Tools.
Jan 14 23:11:52 zenbook systemd[1]: Stopping Laptop Mode Tools...
Jan 14 23:11:52 zenbook systemd[1]: Stopped Laptop Mode Tools.

Plug power back in...

Verify that wireless Power Management state changed back
[dylan@zenbook ~]$ sudo iwconfig wlan0 | grep Management
Power Management:off
[dylan@zenbook ~]$