Ugly error message after installing and then trying to run tigervnc-server on RHEL 6.3, don’t panic! All you need is to add some prereq packages that didn’t make it into the tigervnc manifest.
[user@example ~]$ vncserver WARNING: The first attempt to start Xvnc failed, possibly because the font catalog is not properly configured. Attempting to determine an appropriate font path for this system and restart Xvnc using that font path ... Could not start Xvnc. /usr/bin/Xvnc: symbol lookup error: /usr/bin/Xvnc: undefined symbol: pixman_composite_trapezoids /usr/bin/Xvnc: symbol lookup error: /usr/bin/Xvnc: undefined symbol: pixman_composite_trapezoids
Fixed by installing the following packages:
So there you go. Crisis averted.
Thanks to the enigmatic zrowland for this solution, found here.