http://bugs.winehq.org/show_bug.cgi?id=17497
--- Comment #29 from Jeff Zaroyko jeffz@jeffz.name 2009-10-29 23:55:03 --- (In reply to comment #28)
Any chance this could be reopened?
I don't see a crash in your attachment. Terminal output is different to the op's. Test in a clean prefix with gecko installed before running xfire.