[systemd-devel] backlight service stopped at boot

[Vlad]

Thanks for the explanation. I'll try 227 asap.

Vladimir.

On 20/10/15 12:19, Lennart Poettering wrote:
> On Tue, 20.10.15 08:21, Vlad (vovan at vovan.nl) wrote:
>
>> Hello,
>>
>> On my laptop the backlight service is stopped at boot instead of starting:
>>
>> # journalctl -a -b | grep backl
>> Oct 20 08:13:09 *** systemd[1]: Stopped Load/Save Screen Backlight
>> Brightness of backlight:intel_backlight.
>> Oct 20 08:13:09 *** systemd[1]: Removed slice
>> system-systemd\x2dbacklight.slice.
>>
>> However I can start/stop service manually and the backlight is properly
>> restored/saved in /var/lib/systemd/backlight/pci...
>>
>> I'd appreciate any ideas (running systemd-226).
> Most likely you have an rfkill device that appears and the disappears,
> possibly because a firmware rfkill device is replaced by a
> driver-level one.
>
> Either way, in 227 the code around this has changed quite a bit, the
> service is now a singleton and works quite differently. It's now
> started each time an rfkill event happens, and then exits after a few
> seconds. We precisely made this change to deal better with rfkill
> devices that appear only temporarily.
>
> Lennart
>