Same here. Looking at top, the process that corresponds with the spikes is kslowd.
** Bug watch added: Linux Kernel Bug Tracker #16265 http://bugzilla.kernel.org/show_bug.cgi?id=16265 -- Every ten seconds the processor spikes https://bugs.launchpad.net/bugs/657187 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