On Wed, 7 Oct 2020, Tony Asleson wrote: > The log information is not helpful without the information to correlate > to the actual device. Log messages that associate one entity with another can be generated whenever such an association comes into existence, which is probably when devices get probed. E.g. a host:channel:target:lun identifier gets associated with a block device name by the dev_printk() calls in sd_probe(): [ 3.600000] sd 0:0:0:0: [sda] Attached SCSI disk BTW, if you think of {"0:0:0:0","sda"} as a row in some normalized table and squint a bit, this problem is not unlike the replication of database tables over a message queue.