I guess this can be closed, as the backtrace showed it crashing inside a mozilla plugin from ~/.mozilla/plugins/. It wasn't one I was actually using, so I deleted it and rhythembox loads normally now.
Still, the question remains: WTF is rhythembox doing attempting to load a mozilla/firefox plugin? -- rhythmbox crashed with SIGSEGV https://bugs.launchpad.net/bugs/555702 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs