From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 81382] Text console blanking does not go away
Date: Mon, 15 Sep 2014 20:47:50 +0000 [thread overview]
Message-ID: <bug-81382-502-yv8cGyeZU5@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-81382-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #14 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #11)
> If I change /sys/class/backlight/radeon_bl0/brightness or
> /sys/class/backlight/acpi_video0 the display stayes dark.
>
> @Alex
> is this what you wanted to know? If not, please let me know, how I could
> help you to debug this problem!
Without the patch from this bug report applied (e.g., when your display is
working), which, if any, of the blacklight interfaces work? It seems like
perhaps your laptop claims to have a GPU controlled backlight, but really uses
an external backlight control. Can you attach a copy of your vbios? TO get a
copy of your vbios:
(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom
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next prev parent reply other threads:[~2014-09-15 20:47 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-15 11:25 [Bug 81382] New: Text console blanking does not go away bugzilla-daemon
2014-07-15 12:29 ` [Bug 81382] " bugzilla-daemon
2014-07-15 13:37 ` bugzilla-daemon
2014-07-15 13:55 ` bugzilla-daemon
2014-07-15 14:24 ` bugzilla-daemon
2014-07-15 14:33 ` bugzilla-daemon
2014-07-16 18:26 ` bugzilla-daemon
2014-09-05 20:58 ` bugzilla-daemon
2014-09-10 20:34 ` bugzilla-daemon
2014-09-11 10:42 ` bugzilla-daemon
2014-09-11 13:58 ` bugzilla-daemon
2014-09-12 22:40 ` bugzilla-daemon
2014-09-13 20:43 ` bugzilla-daemon
2014-09-15 20:41 ` bugzilla-daemon
2014-09-15 20:47 ` bugzilla-daemon [this message]
2014-09-16 7:00 ` bugzilla-daemon
2014-09-16 7:01 ` bugzilla-daemon
2014-09-16 7:02 ` bugzilla-daemon
2014-09-16 7:17 ` bugzilla-daemon
2014-09-17 1:00 ` bugzilla-daemon
2014-09-17 1:04 ` bugzilla-daemon
2014-09-17 7:07 ` bugzilla-daemon
2014-09-17 15:38 ` bugzilla-daemon
2014-09-17 15:39 ` bugzilla-daemon
2014-09-17 16:42 ` bugzilla-daemon
2014-09-18 7:54 ` bugzilla-daemon
2014-09-18 13:09 ` bugzilla-daemon
2014-09-18 13:10 ` bugzilla-daemon
2014-09-18 19:27 ` bugzilla-daemon
2014-09-18 19:28 ` bugzilla-daemon
2014-09-19 13:14 ` bugzilla-daemon
2014-09-19 15:38 ` bugzilla-daemon
2014-09-19 15:40 ` bugzilla-daemon
2014-09-19 16:20 ` bugzilla-daemon
2014-09-27 21:36 ` bugzilla-daemon
2014-09-28 0:40 ` bugzilla-daemon
2015-04-21 20:05 ` bugzilla-daemon
2015-04-21 20:11 ` bugzilla-daemon
2015-04-21 20:27 ` bugzilla-daemon
2015-04-22 9:32 ` bugzilla-daemon
2015-04-23 6:02 ` bugzilla-daemon
2015-04-23 14:12 ` bugzilla-daemon
2015-04-23 14:15 ` bugzilla-daemon
2015-04-24 13:59 ` bugzilla-daemon
2016-08-13 12:01 ` bugzilla-daemon
2016-08-15 13:40 ` bugzilla-daemon
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