The portion of kern.log mentioned in the initial post, but not attached it seems.
** Attachment added: "Portion of /var/log/kern.log showing a boot sequence with WD15 plugged" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814117/+attachment/5234731/+files/kern.log_Connecte -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1814117 Title: System hangs when a Dell WD15 dock station is plugged To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814117/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs