The Pidgin ticket https://developer.pidgin.im/ticket/16467 indicates that this is a pidgin-skype bug which has been fixed. Please just package up the latest SVN version.
** Package changed: pidgin (Ubuntu) => pidgin-skype (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389757 Title: pidgin crashes on startup: Attempt to unlock mutex that was not locked To manage notifications about this bug go to: https://bugs.launchpad.net/pidgin/+bug/1389757/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs