[CentOS] CentOS 7.6 external USB dmesg issue

>Do you have any "history" with the adapter you connected them to?  If not
consider it as a possibility as well
>(from bad experience of total filesystem/partition corruption on two hard
drives only to discover it was >something on the motherboard).

Actually yes I used them many times back on C7.5   Both the motherboard and
USB adapter.
Thanks,

Jerry