Ian Brown wrote: > Hello, > I had installed JEdit on x86_64, Fedora Core 8; > I am getting the follwoing error afer starting jedit: > "java: xcb_xlib.c:50: xcb_xlib_unlock: Assertion `c->xlib.lock' failed. > Abort" This is a Sun JVM bug. Refer https://fedoraproject.org/wiki/Bugs/F8Common Rahul