Comment # 2 on bug 1083869 from Andrei Borzenkov

(In reply to Michal Srb from comment #1)

bor@10:~> xauth list
10/unix:  MIT-MAGIC-COOKIE-1  28df6f0a6055ef7c2328b6cfc12f43c2
#ffff#3130#:  MIT-MAGIC-COOKIE-1  28df6f0a6055ef7c2328b6cfc12f43c2
bor@10:~> vncserver

Warning: 10:1 is taken because of /tmp/.X11-unix/X1
Remove this file if there is no X server 10:1

New '10:2 (bor)' desktop is 10:2

Starting applications specified in /home/bor/.vnc/xstartup
Log file is /home/bor/.vnc/10:2.log

bor@10:~> xauth list
10/unix:2  MIT-MAGIC-COOKIE-1  9f84db0fd6e874540d92ca4fc8ff1194
0.0.0.10:2  MIT-MAGIC-COOKIE-1  9f84db0fd6e874540d92ca4fc8ff1194
bor@10:~>