On Fri, 2019-03-01 at 15:58 +0100, Erwan Velu wrote: > + dev_err_ratelimited(&ctrl_info->pci_dev- > >dev, "received 'logical unit failure' from controller for scsi > %d:%d:%d:%d\n", > + ctrl_info- > >scsi_host->host_no, device->bus, > + device- > >target, device->lun); Shouldn't this be a variant of sdev/scmd_printk? Otherwise it tells you what disk in the array terms is the problem but not what device in your actual system is affected. James