Devuan bug report logs - #617
initscripts: brightness init script sets brightness to zero, thus blanking laptop display

Package: initscripts; Maintainer for initscripts is Devuan Developers <devuan-dev@lists.dyne.org>; Source for initscripts is src:sysvinit.

Reported by: Martin Steigerwald <martin@lichtvoll.de>

Date: Mon, 11 Oct 2021 16:22:02 UTC

Severity: normal

Tags: patch

Found in version 2.96-7+devuan1

Fixed in version 3.06-4devuan3

Done: dak@devuan.org

Full log

Message #28 received at 617@bugs.devuan.org (full text, mbox, reply):

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References: <163396916488.2227.13166665119512005807.reportbug@om.lichtvoll> <YWRvJJnsD+v5A71P@hindley.org.uk> <1706830.h0UYPgaZyk@ananda>
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From: Olaf Meeuwissen <paddy-hack@member.fsf.org>
To: Martin Steigerwald <martin@lichtvoll.de>, 617@bugs.devuan.org,
        devuan developers internal list <devuan-dev@lists.dyne.org>
Cc: Mark Hindley <mark@hindley.org.uk>
Subject: Re: [devuan-dev] bug#617: initscripts: brightness init script sets brightness to zero, thus blanking laptop display
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Date: Tue, 12 Oct 2021 20:14:17 +0900
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Hi,

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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Devuan bug report logs - #617 initscripts: brightness init script sets brightness to zero, thus blanking laptop display

Devuan bug report logs - #617
initscripts: brightness init script sets brightness to zero, thus blanking laptop display