I see the same problem in a fresh installed Ubuntu 14.04 LTS. However it only blocks for about 60s in my case. See the attached bootchart.
** Attachment added: "jan-home-trusty-20140423-1.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/931877/+attachment/4096319/+files/jan-home-trusty-20140423-1.png ** Changed in: linux (Ubuntu) Status: Expired => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/931877 Title: Task udevadm:X blocked at boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/931877/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs