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* [Bug 102300] Second monitor shows black screen but has signal
@ 2017-08-18 18:42 bugzilla-daemon
  2017-08-18 19:00 ` bugzilla-daemon
                   ` (14 more replies)
  0 siblings, 15 replies; 16+ messages in thread
From: bugzilla-daemon @ 2017-08-18 18:42 UTC (permalink / raw)
  To: dri-devel


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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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^ permalink raw reply	[flat|nested] 16+ messages in thread

end of thread, other threads:[~2019-11-19  8:21 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-08-18 18:42 [Bug 102300] Second monitor shows black screen but has signal bugzilla-daemon
2017-08-18 19:00 ` 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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