Am Dienstag, den 01.10.2019, 13:44 -0400 schrieb Steven Rostedt: > Not sure who to blame, but my server locked up when upgraded (accessing > volume group information), and echoing in "w" into sysrq-trigger showed > a bit of information. > > First, looking at my dmesg I see that my usb-storage is hung up, for > whatever reason. Thus, this could be the source of all issues. The reset of the device is hung. You may be hanging on dev_mutex. Is this repeatable? Regards Oliver