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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 210263] brightness device returns ENXIO (?) on brightness restore at boot, with bootoption "quiet"
Date: Wed, 05 Jan 2022 21:25:08 +0000	[thread overview]
Message-ID: <bug-210263-2300-P1LCcrELaH@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-210263-2300@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=210263

jaromir.obr@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jaromir.obr@gmail.com

--- Comment #6 from jaromir.obr@gmail.com ---
@Fabian
I have the same experience. I was running kernel 5.13 on Ubuntu 21.10 and when
I upgraded to mainline kernel 5.15.13 (using
https://github.com/pimlie/ubuntu-mainline-kernel.sh), the service
"systemd-backlight@backlight:amdgpu_bl0.service" starts as expected and
backlight seems to be restored.

With kernel 5.13 it failed: "Failed to start Load/Save Screen Backlight
Brightness of backlight:amdgpu_bl0" and I was not able to start it manually.

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  parent reply	other threads:[~2022-01-05 21:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-18 22:33 [Bug 210263] New: brightness device returns ENXIO (?) on brightness restore at boot, with bootoption "quiet" bugzilla-daemon
2021-02-02 11:32 ` [Bug 210263] " 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 [this message]
2022-01-08 13:05 ` bugzilla-daemon
2022-01-12 15:08 ` bugzilla-daemon

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