I think I've found something more. The problem appears to be caused by totem visual effects, enabled by default when you play music. Disabling them from totem preferences makes the music playable again.
-- totem has a memory leak that crash the system (gutsy) https://bugs.launchpad.net/bugs/140030 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs