On Wed, 12 Jul 2017 19:58:21 +0200 Wolfgang Pfeiffer <roto@xxxxxxx> wrote:
> 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
Thanks very much to you, and to everybody else who has responded. This morning, perhaps after an update (I have these set up to be cron'ed in the wee hours), my second monitor is back so I can not reproduce my own report. Or, perhaps a mouse went by and gnawed the wires into tip-top connection:-)
In any case, I have to agree that F25->F26 is another flawless upgrade in the long series of upgrades. I have had very few mess-ups happen in general, and I have been using Fedora from Fedora Core 1. (Which makes me wonder why we even need to do an upgrade anymore. From what I gather, there may be an option in future Fedoras, if some proposals get accepted, which may make upgrades obsolete.)
But in any case, thanks again for the F team for a job well done!
Best wishes,
Ranjan
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