Comment 7 for bug 1589447

Do you have a set of parent/child processes like this? Note the middle 2 are running on tty63.

ps -f 748 750 926 1089
UID PID PPID C STIME TTY STAT TIME CMD
root 748 1 0 20:45 ? Ss 0:00 /bin/openvt -c 63 -f -v -w -- /usr/bin/sudo --user user --login /usr/bin/xpra start :90 --daemon=no
root 750 748 0 20:45 tty63 Ss+ 0:00 /usr/bin/sudo --user user --login /usr/bin/xpra start :90 --daemon=no
user 926 750 0 20:45 tty63 Sl+ 0:00 /usr/bin/python /usr/bin/xpra start :90 --daemon=no
user 1089 926 0 20:45 ? Ssl 0:01 /usr/lib/xorg/Xorg -noreset -nolisten tcp +extension GLX +extension RANDR +extension RENDER -auth /home/user