Same issue here on Dell E6530 with kernel 3.11.0-13-generic, but it also occured with previous versions of the Kernel / Ubuntu. Messages from dmesg attached.
** Attachment added: "dmesg.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1116525/+attachment/3916035/+files/dmesg.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1116525 Title: USB devices in docking station no longer working after resuming from standby To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1116525/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs