I am experiencing the same issue on Ubuntu 15.10 with Kernel 4.2.0-16-generic, on my MSI Z97 GAMING 9 AC. The only way to fix it for me so far was to disable the USB external power or something like that under Advanced Settings/USB.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1437492 Title: boot stalls on USB detection errors To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1437492/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
