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Author: Olaf Meeuwissen
To: Martin Steigerwald, 617, devuan developers internal list
Subject: [devuan-dev] bug#617: bug#617: initscripts: brightness init script sets brightness to zero, thus blanking laptop display

Martin Steigerwald writes:

> Dear Mark.
> Mark Hindley - 11.10.21, 19:06:44 CEST:
>> The brightness initscript seems to save
>> /sys/class/backlight/intel_backlight/brightness to
>> /var/lib/initscripts/brightness when it is stopped.
>> On your system, what does the
>> /sys/class/backlight/intel_backlight/brightness contain?
> I can check tomorrow again. However… after I wrote "512" to the
> "/var/lib/initscripts/brightness" file, brightness is set correctly after
> reboot. So I am not sure I can reproduce the original condition after
> the update anymore.
> So or so, I think it would be good to ensure a minimum brightness level,
> as a completely blank display can only be fixed with a live Linux, SSH
> access or some other out of band management access.

Does this mean that even switching to the console (Ctrl-Alt-F1, etc)
doesn't give you a screen where can see what you're doing?

Just wondering,
Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
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