From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 115011] [drm:radeon_acpi_init [radeon]] *ERROR* Cannot find a backlight controller
Date: Tue, 13 Sep 2016 05:08:24 +0000 [thread overview]
Message-ID: <bug-115011-2300-FraVrluttG@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-115011-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=115011
Luya Tshimbalanga <luya@fedoraproject.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |PATCH_ALREADY_AVAILABLE
--- Comment #13 from Luya Tshimbalanga <luya@fedoraproject.org> ---
Hello,
I am closing this bug report now it was revealed the bug was triggered by the
new ACPI EC scheme from the BIOS first used by Microsoft Windows 8.1 and up.
Tested with patch on Kernel 4.8 rc4 properly handle the backlight controller.
I no longer see the error message:
$ journalctl -b | grep backlight
Sep 12 09:42:22 muamba-telus1603 kernel: [drm] radeon atom DIG backlight
initialized
Sep 12 16:42:59 muamba-telus1603 kernel: audit: type=1130
audit(1473723759.682:64): pid=1 uid=0 auid=4294967295 ses=4294967295
subj=system_u:system_r:init_t:s0
msg='unit=systemd-backlight@backlight:radeon_bl0 comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Sep 12 16:42:39 muamba-telus1603 audit[1]: SERVICE_START pid=1 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='unit=systemd-backlight@backlight:radeon_bl0 comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Sep 12 16:42:39 muamba-telus1603 systemd[1]: Created slice
system-systemd\x2dbacklight.slice.
Sep 12 16:42:39 muamba-telus1603 systemd[1]: Starting Load/Save Screen
Backlight Brightness of backlight:radeon_bl0...
Sep 12 16:42:39 muamba-telus1603 systemd[1]: Started Load/Save Screen Backlight
Brightness of backlight:radeon_bl0.
Thank you for the investigation and the effort.
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next prev parent reply other threads:[~2016-09-13 5:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-115011-2300@https.bugzilla.kernel.org/>
2016-03-28 23:32 ` [Bug 115011] [drm:radeon_acpi_init [radeon]] *ERROR* Cannot find a backlight controller bugzilla-daemon
2016-03-29 14:16 ` bugzilla-daemon
2016-03-29 17:30 ` bugzilla-daemon
2016-07-14 10:30 ` bugzilla-daemon
2016-09-13 5:08 ` bugzilla-daemon [this message]
2016-09-13 5:13 ` bugzilla-daemon
2016-09-13 5:16 ` bugzilla-daemon
2016-09-13 5:21 ` bugzilla-daemon
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