Am 12.12.18 um 20:28 schrieb Chris Murphy:
But upon reboot, total implosion. Piles of USB errors and
disconnects
(the boot device is a Samsung FIT USB stick which fits flush in an
Intel NUC). I didn't have time to troubleshoot what's causing this
problem, other than to plug the USB stick into another computer to
verify the stick is good and hasn't been corrupted. It's possibly
related the mq-blk bug in 4.19.0 through 4.19.7 - so I've since
upgraded to 4.19.8 which as those patches, but I haven't had a chance
to retest.
this was NOT fixed in 4.19.7
Fedora had a patch for the distro kernel