search for: esver

Warren Thanks for the thoughts. Even with 'dmesg', I found nothing. The reboot got rid of the problem and it continues to run perfectly in the same configuration. I, too, have a slight dislike for external USB disks, and much prefer internal drives for esveral reasons: - Internal drives are protected by being inside a tower and thus have less chance of falling or being bumped than free-standing external boxes - Fewer plugs and wires - Power-up sequencing is coordinated with CPU power - SATA3 is faster than USB3 (I think) But sometimes one has no cho...

John-- Thanks for the suggestion. I finally had a chance to get to the system in question, It was the only one of many that exhibited the USB hang. I tried a reboot with the two USB disks disconnected. Everything worked. I plugged them in, and then did both "lsusb -v" and "lshw", and again, everything worked. Continuing my test: Reboot with both drives plugged in: