Hi, everyone.
tldr: How in the heck do I force CentOS7 to boot to a low/conservative GDM
resolution?
Hoping someone can lend a hand getting CentOS7 to sync to my Panasonic
Vierra 42' TV. It worked fine in CentOS6.5 but since installing I boot to a
GDM background with no login prompt. I can SSH into the node and configure
multiuser runlevel but that's not fun at all. ;)
Here's the output of xrandr:
# systemctl get-default
graphical.target
# xrandr -display \:0 -q
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 698mm x 392mm
1920x1080 60.0* 59.9 24.0 24.0
1920x1080i 60.1 60.0
1280x720 60.0 59.9
1440x480i 60.1 60.1 60.1
720x480 60.0 59.9
640x480 60.0 59.9
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)
# xrandr -display \:0 --output HDMI1 --mode 640x480
# echo $?
0
# /bin/systemctl restart gdm.service
# echo $?
0
So setting to something very conservative doesn't make a difference nor do
any of the other detected modes. I also tried bouncing the TV to see if
that would help. Nada.
--
--- V
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