I've had exactly the same Nigel's problem: I opened a guest session but when I returned back to my own session I received this kernel alert.
-- WARNING: at /build/buildd/linux-2.6.32/lib/kref.c:43 kref_get 0x21/0x30() https://bugs.launchpad.net/bugs/555266 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
