The bug seems to appear when a large NTFS volume is mounted. Apparently the storage monitor zeitgeist extension uses 100% of a core trying to access the volume. By blacklisting the volume I solved the problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/842101 Title: zeitgeist-daemon is using 100% CPU in an idle LXDE desktop in a VirtualBox VM of Ubuntu 11.10-beta1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zeitgeist/+bug/842101/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
