Yes, problem is with xine. I removed kaffeine-mozilla and I installed totem-xine and totem-mozilla. Realmedia haven't had plugin and Windows media stream stopped. I cannot see anything, but firefox didn't crash.
-- Problems with kaffeine-xine https://launchpad.net/bugs/86553 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs