From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 102300] Second monitor shows black screen but has signal
Date: Fri, 18 Aug 2017 18:42:05 +0000 [thread overview]
Message-ID: <bug-102300-502@http.bugs.freedesktop.org/> (raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=102300
Bug ID: 102300
Summary: Second monitor shows black screen but has signal
Product: DRI
Version: XOrg git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: fayn@mt2015.com
I can't set my second monitor to 1920x1080 mode in linux. This problem started
2-3 weeks ago. Disabling and enabling monitor with xrandr or XFCE settings used
to restore signal (until next restart, sleep doesn't cause bug) but that
doesn't help anymore and adding custom mode doesn't help either. I can set
xrandr supported lower resolutions and they work.
This happens in Archlinux with linux 4.12 / Mesa 17.1 / amdgpu 1.3.0 but also
happens with linux 4.13rc5 / mesa-git / amdgpu-git.
Everything works in grub and windows 7, but right after linux starts to boot it
switches resolution (fb -> amdgpudrmfb i guess?) and ASUS monitor goes black.
So the problem only happens in linux. it's UEFI boot for both OS.
Ryzen 1700
ASUS Prime B350+
Radeon R9 285
Dell U2414H DVI-D-0 (HDMI -> DVI-D cable)
ASUS VE247 DVI-I-1 (DVI-I cable)
If logs are needed just tell what to show.
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next reply other threads:[~2017-08-18 18:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-18 18:42 bugzilla-daemon [this message]
2017-08-18 19:00 ` [Bug 102300] Second monitor shows black screen but has signal bugzilla-daemon
2017-08-18 19:26 ` bugzilla-daemon
2017-08-19 10:51 ` bugzilla-daemon
2017-08-22 20:07 ` [Bug 102300] Missing 1920x1080_59.94Hz mode (Second monitor shows black screen but has signal) bugzilla-daemon
2017-08-23 1:24 ` bugzilla-daemon
2017-08-23 13:30 ` bugzilla-daemon
2017-08-23 13:32 ` bugzilla-daemon
2017-08-24 3:29 ` bugzilla-daemon
2017-08-24 8:34 ` bugzilla-daemon
2017-08-29 9:40 ` bugzilla-daemon
2017-08-29 9:43 ` bugzilla-daemon
2017-08-30 8:06 ` bugzilla-daemon
2017-09-25 20:04 ` bugzilla-daemon
2017-11-04 7:58 ` bugzilla-daemon
2019-11-19 8:21 ` bugzilla-daemon
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