Speaking of SDDM (and somewhat off-topic, though not really), I enabled SDDM on my laptop and it killed my video.  I run F23 on a Thinkpad T440s, which has two external monitor connections, one VGA, and one mini-DisplayPort.  Having monitors connected to each were fine.  The company upgraded my second (the VGA) monitor to one with DP/HDMI/VGA connections.  

For some reason the VGA connection didn't give me more than 1024x768 no matter what I did, so I got a mini-DP to dual HDMI adapter from Belkin.  This gave me the resolution I needed and it worked fine until I enabled SDDM. After that, it became impossible to use one of the displays.  Only one Monitor was found on boot, and when I did manage for the system to find monitor #2, it just mirrors one display and doesn't show up in System Settings AS a 2 external display. 

So, I'm having to blow away this install (which I'm writing on now) and reinstalling F23 KDE to see if this fixes the problem.  If I still have trouble, I wonder if the F23 Workstation (GNOME) version handles this any better?  I hate GNOME to be honest, but I need this to be consistent.  

Just my $0.02.


On Tue, Apr 5, 2016 at 5:26 AM, Reindl Harald <h.reindl@thelounge.net> wrote:
frankly SDDM even knows and logs that fact

Apr  5 11:24:32 srv-rhsoft systemd: Stopping Simple Desktop Display Manager...
Apr  5 11:24:32 srv-rhsoft sddm: Signal received: SIGTERM
Apr  5 11:24:32 srv-rhsoft sddm-greeter: The X11 connection broke (error 1). Did the X11 server die?
Apr  5 11:24:32 srv-rhsoft sddm: QProcess: Destroyed while process ("/usr/libexec/sddm-helper") is still running.
Apr  5 11:24:32 srv-rhsoft systemd: Started Simple Desktop Display Manager.
Apr  5 11:24:32 srv-rhsoft systemd: Starting Simple Desktop Display Manager...


Am 18.06.2015 um 13:46 schrieb Ed Greshko:
On 06/18/15 19:00, Reindl Harald wrote:
interesting - i have zombie processes

[root@srv-rhsoft:~]$ ps aux | grep sddm
root      7831  0.0  0.0 113008  2208 pts/0    S<+  13:00   0:00 /usr/bin/grep --color sddm
root     30013  0.0  0.0 293316 14156 ?        Ssl  11:46   0:00 /usr/bin/sddm
root     30016  0.0  0.1 243400 27744 tty1     Ssl+ 11:46   0:02 /usr/libexec/Xorg.bin :0 -auth /var/run/sddm/:0 -nolisten tcp -background none -noreset vt1
root     30023  0.0  0.0 208196 12512 ?        Sl   11:46   0:00 /usr/libexec/sddm-helper --socket /tmp/Auth30013.1434620814 --id 2 --start /usr/bin/sddm-greeter --socket /tmp/sddm-:0-iFBYRE --theme /usr/share/sddm/themes/harry --user sddm --greeter
sddm     30033  0.1  0.3 465556 64940 ?        Sl   11:46   0:04 /usr/bin/sddm-greeter --socket /tmp/sddm-:0-iFBYRE --theme /usr/share/sddm/themes/harry
sddm     30039  0.0  0.0  16060  1644 ?        S    11:46   0:00 /bin/dbus-launch --autolaunch 3871a85f73dce2f522a1a97b00001bf2 --binary-syntax --close-stderr
sddm     30040  0.0  0.0  46912  1864 ?        Ss   11:46   0:00 /bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session

[root@srv-rhsoft:~]$ systemctl restart sddm
[root@srv-rhsoft:~]$ systemctl restart sddm
[root@srv-rhsoft:~]$ systemctl restart sddm
[root@srv-rhsoft:~]$ systemctl restart sddm

[root@srv-rhsoft:~]$ ps aux | grep sddm
root      7873  120  0.5 129972 97776 ?        R    13:00   0:02 /usr/lib/systemd/systemd-coredump 7868 104 481 11 1434625220 sddm-greeter
sddm      7896  6.0  0.3 465652 64736 ?        Sl   13:00   0:00 /usr/bin/sddm-greeter --socket /tmp/sddm-:0-PkhJmh --theme /usr/share/sddm/themes/harry
sddm      7902  0.0  0.0  16060  1576 ?        S    13:00   0:00 /bin/dbus-launch --autolaunch 3871a85f73dce2f522a1a97b00001bf2 --binary-syntax --close-stderr
root      7907  0.0  0.0 293316 13820 ?        Ssl  13:00   0:00 /usr/bin/sddm
root      7910  5.0  0.1 259452 26980 tty1     Ssl+ 13:00   0:00 /usr/libexec/Xorg.bin :0 -auth /var/run/sddm/:0 -nolisten tcp -background none -noreset vt1
root      7917  0.0  0.0 208196 12324 ?        Sl   13:00   0:00 /usr/libexec/sddm-helper --socket /tmp/Auth7907.1434625220 --id 2 --start /usr/bin/sddm-greeter --socket /tmp/sddm-:0-ImjIAZ --theme /usr/share/sddm/themes/harry --user sddm --greeter
sddm      7927 11.0  0.3 465588 64360 ?        Sl   13:00   0:00 /usr/bin/sddm-greeter --socket /tmp/sddm-:0-ImjIAZ --theme /usr/share/sddm/themes/harry
sddm      7933  0.0  0.0  16060  1568 ?        S    13:00   0:00 /bin/dbus-launch --autolaunch 3871a85f73dce2f522a1a97b00001bf2 --binary-syntax --close-stderr
sddm      7934  0.0  0.0  46912  1872 ?        Ss   13:00   0:00 /bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
root      7936  0.0  0.0 113008  2284 pts/0    S<+  13:00   0:00 /usr/bin/grep --color sddm
sddm     30033  0.1  0.4 465556 65364 ?        Sl   11:46   0:04 /usr/bin/sddm-greeter --socket /tmp/sddm-:0-iFBYRE --theme /usr/share/sddm/themes/harry

If you revert to the standard theme do you still get zombies?


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