On Tue, 2017-07-11 at 19:39 -0500, Ranjan Maitra wrote:
> Hello,
>
> My second monitor has stopped working after an upgrade to Fedora 26
> using dnf system-upgrade.
>
> Also, arandr is busted: here is what I get.
>
> $ arandr
> Traceback (most recent call last):
> File "/bin/arandr", line 42, in <module>
> main()
> File "/usr/lib/python2.7/site-packages/screenlayout/gui.py", line
> 318, in main
> force_version=options.force_version
> File "/usr/lib/python2.7/site-packages/screenlayout/gui.py", line
> 157, in __init__
> self.widget = widget.ARandRWidget(display=randr_display,
> force_version=force_version)
> File "/usr/lib/python2.7/site-packages/screenlayout/widget.py", line
> 48, in __init__
> self._xrandr = XRandR(display=display,
> force_version=force_version)
> File "/usr/lib/python2.7/site-packages/screenlayout/xrandr.py", line
> 42, in __init__
> raise Exception("XRandR 1.2/1.3 required.")
> Exception: XRandR 1.2/1.3 required.
>
> And here is the output from xrandr:
Does the external monitor switch work on your computer? Here it is the
<Meta/Windows> - <p>
keyboard shortcut
Careful: this switch can drive my CPU up to 100% load - I recommend
being logged in as root on a tty to be able kill the offending process
via htop or someth like that. Here the offender seems to be, IIRC
gnome-settings-daemon
I recommend a
tail -f /path/to/your/active/Xorg*log
and then see what happens there if you plug in the second monitor.
Watching journalctl (journalctl -f, IIRC) might help too ...
What GPU? To identify it:
lspci -nnk |grep -A 5 -i vga
Also: firmware for your GPU loaded? Someth. like:
dmesg | grep -E 'drm|amd' | grep -iE 'firmware|microcode'
(from
https://wiki.debian.org/AtiHowTo#Firmware )
I had my external monitor settings more or less broken/reduced in
functionality a few days ago after an upgrade from F24 > F25 ... still
hoping, in spite of your mail, that an upgrade to F26 fixes my problems.
I don't want to go back to F24 where a connect to an external TV monitor
worked very well with an AMD GPU.
HTH
Wolfgang
>
>
> $ xrandr
> Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 16384 x
> 16384
> DVI-I-1 connected primary 1920x1200+0+0 (normal left inverted right x
> axis y axis) 519mm x 324mm
> 1920x1200 59.95*+
> 1600x1200 65.00 60.00
> 1400x1050 74.76 59.98
> 1280x1024 75.02 60.02
> 1280x960 60.00
> 1152x864 75.00
> 1024x768 75.05 60.04 75.03 70.07 60.00
> 960x720 75.00 60.00
> 928x696 75.00 60.05
> 896x672 75.05 60.01
> 832x624 74.55
> 800x600 75.00 70.00 65.00 60.00 72.19 75.00
> 60.32 56.25
> 700x525 74.76 59.98
> 640x512 75.02 60.02
> 640x480 60.00 75.00 72.81 75.00 59.94
> 720x400 70.08
> 576x432 75.00
> 512x384 75.03 70.07 60.00
> 416x312 74.66
> 400x300 72.19 75.12 60.32 56.34
> 320x240 72.81 75.00 60.05
> DP-1 disconnected (normal left inverted right x axis y axis)
>
> Why is the second one disconnected above? It was fine (and connected)
> before the upgrade.
>
> Any suggestions as to what I should be trying?
>
> Many thanks for your help, and best wishes,
> Ranjan
>
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