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OpenBSD General Other questions regarding OpenBSD which do not fit in any of the categories below. |
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HDMI out to TV in Gnome
My laptop's video output is correctly mirrored to a TV before the Gnome login screen is displayed but the TV goes blank at that time. In the Gnome session "xrandr -- output HDMI1 ..." etc doesn't re-enable the video output. This might have to do with GUI manager competition between X11 and Wayland.
Any ideas about how to enable the video output to TV during the Gnome session? |
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Below is the xrandr output immediately after connecting the HDMI cable to my laptop.
Code:
user@pc15 ~ % xrandr Screen 0: minimum 8 x 8, current 1600 x 900, maximum 32767 x 32767 LVDS1 connected primary 1600x900+0+0 (normal left inverted right x axis y axis) 294mm x 166mm 1600x900 60.07*+ 1024x768 60.00 800x600 60.32 56.25 640x480 59.94 DP1 disconnected (normal left inverted right x axis y axis) HDMI1 connected (normal left inverted right x axis y axis) 1920x1080 60.00 + 50.00 59.94 30.00 25.00 24.00 29.97 23.98 1920x1080i 60.00 50.00 59.94 1680x1050 59.88 1600x900 59.98 1280x1024 75.02 60.02 1440x900 59.90 1366x768 59.79 1280x800 59.91 1152x864 75.00 1280x720 60.00 50.00 59.94 1440x576i 50.00 1024x768 75.08 70.07 60.00 1440x480i 60.00 59.94 832x624 74.55 800x600 72.19 75.00 60.32 720x576 50.00 720x480 60.00 59.94 640x480 75.00 72.81 66.67 60.00 59.94 720x400 70.08 VGA1 disconnected (normal left inverted right x axis y axis) VIRTUAL1 disconnected (normal left inverted right x axis y axis) Code:
user@pc15 ~ % xrandr Screen 0: minimum 8 x 8, current 1600 x 900, maximum 32767 x 32767 LVDS1 connected primary 1600x900+0+0 (normal left inverted right x axis y axis) 294mm x 166mm 1600x900 60.07*+ 1024x768 60.00 800x600 60.32 56.25 640x480 59.94 DP1 disconnected (normal left inverted right x axis y axis) HDMI1 disconnected (normal left inverted right x axis y axis) VGA1 disconnected (normal left inverted right x axis y axis) VIRTUAL1 disconnected (normal left inverted right x axis y axis) |
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Progress! I created Monitor.conf files in xorg.conf.d and now at the Gnome login screen my TV screen turns black and stays that way instead of displaying no signal found message. There is not, however, a login text field or any buttons. The laptop screen is also completely black and I can type letters just like on a console but there is no response from the OS so I have to hard reboot. Minor issue. I think my Monitor.conf files are not precisely what X expects.
The interesting thing is, if I disable gdm, delete all of the xorg.conf.d files that I created, and just launch normal X Windows with startx, then both displays work fine. Xorg.0.log shows that X just uses default values. Once logged in, xrandr shows information for both displays and the HDMI output does not disconnect. I might just have to create the xorg.conf file sections manually because on OpenBSD the command "X --configure" or a variant yields "unrecognized option". Also, there is no existing xorg.conf.sample file. Are there other ways to generate an xorg.conf file? |
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I'm sorry, it does appear you have a Gnome-related issue of some kind, as GDM does not function by default for you with X.org's automatic configuration of your hardware.
Guidance for manual configuration of xorg.conf files is architecture specific, and can be found in /usr/X11R6/README. I am unsure if manual xorg.conf files are needed. A quick internet search for "xrandr" and "gdm" brings up lots of hits for configuration/provisioning through gconf. I saw this link where one of the recommendations is to copy a working monitors.xml file to GDM's configuration directory. Last edited by jggimi; 27th July 2016 at 11:19 AM. Reason: clarity |
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gnome, hdmi |
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