Just tested with the upstream kernel, got exactly the same behavior. Just in case got it wrong:
$ uname -a Linux alisa 3.15.0-031500rc4-generic #201405042135 SMP Mon May 5 01:36:35 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux ** Tags added: kernel-bug-exists-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1316897 Title: usb2 port does not work. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1316897/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
