I think I managed to save an output of dmesg after the panic (through ssh), I'll attach it here.
** Attachment added: "dmes output after kernel panic" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/757242/+attachment/2015028/+files/kernel_panic_usb3 ** Summary changed: - Kernel pacnic upon inserting usb 3 device + Kernel panic upon inserting usb 3 device -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/757242 Title: Kernel panic upon inserting usb 3 device -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs