Description of problem: gnome-session won't come up when run on top of Xspice server Version-Release number of selected component (if applicable): gnome-session-3.8.2.1-1.fc19.x86_64 mutter-3.8.2.1-1.fc19.x86_64 xorg-x11-server-Xspice-0.1.1-0.8.20130514git77a1594.fc19.x86_64 How reproducible: always Steps to Reproduce: 1. run Xspice-server with gnome-session as the X session: > $ Xspice --disable-ticketing --xsession /usr/bin/gnome-session :1 --port 5900 --deferred-fps 15 (use different display and port if any of those is taken by something else) 2. connect to the Xspice server using spice client: remote-viewer spice://<host_name>:5900/ 3. Actual results: gnome-shell desktop won't come up ever Expected results: gnome-shell comes up Additional info: If you replace 'gnome-session' with 'startkde', KDE Plasma will come up just fine, suggesting an error somewhere in Gnome stack.
Created attachment 756828 [details] gdb output The only message that comes from gnome-session is: """ (process:16659): GLib-CRITICAL **: g_str_has_prefix: assertion `str != NULL' failed """ The process is defunct: # ps -f 16659 UID PID PPID C STIME TTY STAT TIME CMD shadowm+ 16659 16648 0 15:20 pts/3 Z+ 0:00 [gnome-session] <defunct> I finally managed to get a gdb output out of the crash so it's in the attachment. (I got it by a simple script that is passed as --xsession argument and calls just "exec gdb --ex 'run' /usr/lib/gnome-session")
When the xserver and gnome-session are run separately, both the assertion in #c0 and assertion in attachment 756828 [details] are gone. When I had run the Xspice first: $ spice --disable-ticketing :<DISPLAY> --port <PORT> --deferred-fps 15 and gnome-session second: DISPLAY=:1 gnome-session I tripped flood of these assertions: (gnome-shell:22774): dconf-CRITICAL **: unable to create file '/run/user/1000/dconf/user': Permission denied. dconf will not work properly. but when I deleted the file (/run/user/1000/dconf/user) and re-run g-s again, the gnome 3 desktop has come up succesfully. When I terminated both the Xspice and gnome-session and re-run Xspice with "--session gnome-session" again, I ended up with the same assertion as in #c0 - so it won't be probably caused by gnome-session misconfiguration/leftover-files/whatever. My test system also runs without regular X server (with gdm service stopped).
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