On 08/12/15 14:52, Michael Biebl wrote:

Have you set IdleAction= and IdleActionSec= in /etc/systemd/logind.conf?

If not, this looks like the suspend request is triggered externally and
logind simply executes the action.

No, my logind.conf is the Debian default with all the options commented out.

Do you have a tool like xfce4-power-manager, mate-power-manager,
lxqt-powermanagement etc installed?

Not that I can find:

```
$ dpkg -l | awk '{print $2}' | grep power
powermgmt-base
powertop
ruby-power-assert
```

Does systemd-inhibit list anything?

```
$ systemd-inhibit
     Who: NetworkManager (UID 0/root, PID 935/NetworkManager)
    What: sleep
     Why: NetworkManager needs to turn off networks
    Mode: delay

1 inhibitors listed.
```

Can you run dbus-monitor --system (as root) and check if you get any
dbus messages for org.freedesktop.login1 at the time the suspend happens.

This is the first sleep-related thing - happens about 15 minutes of idle:

```
signal time=1449602082.422699 sender=:1.1 -> destination=(null destination) 
serial=264 path=/org/freedesktop/login1; interface=org.freedesktop.login1.Manager; 
member=PrepareForSleep
   boolean true
signal time=1449602082.423998 sender=:1.1 -> destination=(null destination) 
serial=265 path=/org/freedesktop/login1; 
interface=org.freedesktop.DBus.Properties; member=PropertiesChanged
   string "org.freedesktop.login1.Manager"
   array [
      dict entry(
         string "DelayInhibited"
         variant             string "sleep"
      )
   ]
   array [
   ]
method call time=1449602082.424179 sender=:1.1 -> 
destination=org.freedesktop.systemd1 serial=266 path=/org/freedesktop/systemd1; 
interface=org.freedesktop.systemd1.Manager; member=StartUnit
   string "suspend.target"
   string "replace-irreversibly"
```


Best regards,

George

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