I've been able to confirm this is a USB 2 bug. Executing the following command to disable the EHCI module enables me to mount the device as a USB 1 device (but obviously it's not a fix for the bug, because I need to be able to copy large files onto the device at a reasonable speed):
echo -n "0000:00:1d.7" > /sys/bus/pci/drivers/ehci_hcd/unbind I hope that helps someone know what next step to suggest! -- Unable to enumerate usb device https://bugs.launchpad.net/bugs/318085 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs