I have experienced this bug today. Installing ulatencyd renders an unbootable system (because it causes kernel panic). Uninstalling it solves the problem.
cat /etc/lsb-release ------------------------- DISTRIB_ID=Ubuntu DISTRIB_RELEASE=13.10 DISTRIB_CODENAME=saucy DISTRIB_DESCRIPTION="Ubuntu 13.10" uname -a ----------- Linux ... 3.11.0-18-generic #32-Ubuntu SMP Tue Feb 18 21:11:14 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux aptitude show ulatencyd ------------------------------- Package: ulatencyd Version: 0.5.0-8 Section: universe/utils Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com> Architecture: amd64 Uncompressed Size: 403 k Depends: libc6 (>= 2.17), libdbus-1-3 (>= 1.0.2), libdbus-glib-1-2 (>= 0.78), libglib2.0-0 (>= 2.22.0), liblua5.1-0, libpolkit-gobject-1-0 (>= 0.99), libxcb1, dbus, lua5.1 | lua, lua-posix PreDepends: dpkg (>= 1.15.7.2) Recommends: consolekit Conflicts: ulatencyd -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1034099 Title: Kernel panic with ulatencyd on kernel 3.2.0-29-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1034099/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs