From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 210263] New: brightness device returns ENXIO (?) on brightness restore at boot, with bootoption "quiet"
Date: Wed, 18 Nov 2020 22:33:02 +0000 [thread overview]
Message-ID: <bug-210263-2300@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=210263
Bug ID: 210263
Summary: brightness device returns ENXIO (?) on brightness
restore at boot, with bootoption "quiet"
Product: Drivers
Version: 2.5
Kernel Version: 5.9.8
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: plusfabi@gmail.com
Regression: No
Created attachment 293729
--> https://bugzilla.kernel.org/attachment.cgi?id=293729&action=edit
dmesg
Following: https://github.com/systemd/systemd/issues/17645
If I set kernel boot option "quiet", systemd fails to restore brightness level
with error
Failed to start Load/Save Screen Backlight Brightness of backlight:amdgpu_bl0.
At boot.
full journal output is:
journalctl -b -1 -u systemd-backlight@backlight:amdgpu_bl0.service
-- Logs begin at Thu 2020-09-17 08:15:00 CEST, end at Tue 2020-11-17 14:19:18
CET. --
Nov 17 14:15:15 frigg systemd[1]: Starting Load/Save Screen Backlight
Brightness of backlight:amdgpu_bl0...
Nov 17 14:15:15 frigg systemd-backlight[325]: amdgpu_bl0: Failed to write
system 'brightness' attribute: No such device or address
Nov 17 14:15:15 frigg systemd[1]:
systemd-backlight@backlight:amdgpu_bl0.service: Main process exited,
code=exited, status=1/FAILURE
Nov 17 14:15:15 frigg systemd[1]:
systemd-backlight@backlight:amdgpu_bl0.service: Failed with result 'exit-code'.
Nov 17 14:15:15 frigg systemd[1]: Failed to start Load/Save Screen Backlight
Brightness of backlight:amdgpu_bl0.
This is an AMD Renoir system, with AMD Ryzen 5 4500U APU,
This happens only, if I set 'quiet' as boot option. If I remove it, brightness
restore works fine.
If I boot with quiet set, after login I can do
systemctl start systemd-backlight@backlight:amdgpu_bl0.service
And it will successfully restore my brightness level.
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next reply other threads:[~2020-11-18 22:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 22:33 bugzilla-daemon [this message]
2021-02-02 11:32 ` [Bug 210263] brightness device returns ENXIO (?) on brightness restore at boot, with bootoption "quiet" bugzilla-daemon
2021-02-10 11:19 ` bugzilla-daemon
2021-02-10 16:10 ` bugzilla-daemon
2021-07-29 13:23 ` bugzilla-daemon
2021-12-02 8:35 ` bugzilla-daemon
2022-01-05 21:25 ` bugzilla-daemon
2022-01-08 13:05 ` bugzilla-daemon
2022-01-12 15:08 ` bugzilla-daemon
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