+one uname -r : 3.0.0-12-generic
grub acpi=off had worse problems b4 .. ended in lockups every 45 minutes or so.. anyway got kern.log here ** Attachment added: "kern.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/256767/+attachment/2605319/+files/kern.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/256767 Title: USB devices work, but constant syslog errors "unable to enumerate USB device on port 5" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/256767/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs