I can now confirm that the problem can be reproduced with another TP- LINK UH400 external USB hub (same model, different device).
I will now test whether the driver dies without using any of these hubs. None of my workmates has this issue, though, which makes me think that there could be a hardware failure at the motherboard level, in the USB host controller. There is another issue, when the HC dies: when I try to do "sudo lshw", the command hangs and the only thing that outputs is "USB". It never finishes with the correct list of hardware. Cheers! ** Summary changed: - USB controller died, reboot necessary + [xhci_hcd] HC died · USB controller died, reboot necessary -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1739386 Title: [xhci_hcd] HC died · USB controller died, reboot necessary To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
