A while back, I was using the following script to configure my monitors.
#!/bin/sh
xrandr --output eDP-1 --mode 1920x1080 --pos 0x0 --rotate normal \
--output HDMI-1 --primary --mode 1920x1080 --pos 1920x0 --rotate normal \
--output DP-1-4 --mode 1920x1080 --pos 3848x0 --rotate normal
But now, I get "xrandr: Configure crtc 3 failed". I've tried many other
configurations, but basically any time I try to turn on DP-1-4, I get this
error. I've even tried turning it on as a different crtc with no success (the
error message changes to the crtc that I specified).
When I downgrade to xorg server 19.6 the monitor works fine. I finally moved
off 19.6 because other things aren't working properly as I keep the rest of my
system up to date.
My system configuration:
Arch linux, xorg server 1.20.0 (1.20.0-9), xorg-xrandr 1.5.0-1, libxrandr
1.5.1-2
Dell precision 7710 on a dell dock with two external DVI-connected monitors.
Xrandr; returns
Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 8192 x 8192
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 382mm x 215mm
1920x1080 60.02*+ 60.01 59.97 59.96 59.93 48.02
1680x1050 59.95 59.88
1400x1050 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 60.02
1400x900 59.96 59.88
...snip...
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 connected 1920x1080+1920+0 (normal left inverted right x axis y axis)
531mm x 299mm
1920x1080 60.00*+
1600x1200 60.00
1680x1050 59.88
1280x1024 75.02 60.02
...snip...
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
HDMI-3 disconnected (normal left inverted right x axis y axis)
eDP-1-2 disconnected (normal left inverted right x axis y axis)
DP-1-4 connected (normal left inverted right x axis y axis)
1920x1080 60.00 + 59.96 59.93
1920x1200 59.95
1600x1200 65.00 60.00
1680x1050 59.95 59.88
1400x1050 74.76 59.98
1600x900 59.95 59.82
...snip...
DP-1-5 disconnected (normal left inverted right x axis y axis)
DP-1-6 disconnected (normal left inverted right x axis y axis)
VGA-1-1 disconnected (normal left inverted right x axis y axis)
1920x1080 (0x4b) 148.500MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.50KHz
v: height 1080 start 1084 end 1089 total 1125 clock 60.00Hz
1920x1080 (0x4d) 173.000MHz -HSync +VSync
h: width 1920 start 2048 end 2248 total 2576 skew 0 clock 67.16KHz
v: height 1080 start 1083 end 1088 total 1120 clock 59.96Hz
1920x1080 (0x4e) 138.500MHz +HSync -VSync
h: width 1920 start 1968 end 2000 total 2080 skew 0 clock 66.59KHz
v: height 1080 start 1083 end 1088 total 1111 clock 59.93Hz
1600x1200 (0x50) 162.000MHz +HSync +VSync
h: width 1600 start 1664 end 1856 total 2160 skew 0 clock 75.00KHz
...snip
Let me know what more information may be helpful or if I should be asking
somewhere else. Thanks!
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