Bug#942219: systemd-backlight at backlight:dell_backlight.service fails at boot for dell d600, d620, d820

Rado S d-ebian at q3co.de
Tue Oct 15 02:03:17 BST 2019


=- Michael Biebl wrote on Mon 14.Oct'19 at 23:20:57 +0200 -=

> Am 14.10.19 um 23:13 schrieb Rado S:
> > dell_backlight: Failed to write system 'brightness' attribute: No such device or address
> 
> Looks like a kernel or firmware/bios problem to me.
> 
> Since you didn't use reportbug there is no information about your used
> kernel.

It is in the journalctl output;
Linux version 4.19.0-6-686-pae (debian-kernel at lists.debian.org) (gcc version 8.3.0 (Debian 8.3.0-6)) #1 SMP Debian 4.19.67-2 (2019-08-28)

The dell d600 (also failing) uses the non-pae version of it.
The functioning vostro uses the same pae-version.

What more information can I provide?



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