Interesting twist for me: I recently had to upgrade the motherboard, power supply, and case on the machine that was having the issue (USB 3.0 external disk having to be powered off and powered on after a reboot before the OS would "see" it). I was lazy and didn't bother reinstalling the OS (Ubuntu 14.04 LTS).
The main differences: - The new MB has USB 3.0 support and the USB 3.0 external drives are plugged in to that rather the the PCI-e card I had previously been using. - CPU went from Intel to AMD - Bigger power supply (600W vs 400W) The problem no longer occurs. My wild guess is that it was the PCI-e card causing the problem OR the driver for USB 3.0 on PCI-e is wonky and the issue got resolved because the motherboard did not use the same drivers (not an expert on this kind of issue). Just thought I'd post this to add another wild stab in the dark. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1242321 Title: USB 3.0 Harddrive not recognised To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1242321/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
