Many cases of this seem to be related to bad cabling - either your external USB cable, or internal USB may not be able to run at USB "High Speed"/
Details: http://ubuntuforums.org/showthread.php?p=3991125#post3991125 Enhancement request: https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/177430/ -- usb change between 2.6.15-23 and 2.6.15-26 breaks working setup https://bugs.launchpad.net/bugs/54419 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs