[systemd-devel] backlight service stopped at boot

[Vlad]

Unfortunately with systemd-227 the behaviour hasn't been changed.

Vladimir.

On 21/10/15 13:26, Vlad wrote:
> 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
>>
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