The same problem on my new Lenovo Y550. There was no such a case on my previous laptop. Karmic kernel=2.6.31-14 udev=147~-6.1 Killing udevd solves it. -- High cpu usage after upgrade to 141-1.1 https://bugs.launchpad.net/bugs/379780 You received this bug notification because you are a member of Kernel Bugs, which is subscribed to Linux.