Il 29/05/2014 05:52, Martin K. Petersen ha scritto: > + sdev_printk(KERN_ERR, sdev, > + "%s: VPD page 0x83 NAA descriptor not found\n", __func__); > + > + return; I suspect this error will be relatively common. libata for example has if (ata_id_has_wwn(args->id)) { /* SAT defined lu world wide name */ /* piv=0, assoc=lu, code_set=binary, designator=NAA */ rbuf[num + 0] = 1; rbuf[num + 1] = 3; rbuf[num + 3] = ATA_ID_WWN_LEN; num += 4; ata_id_string(args->id, (unsigned char *) rbuf + num, ATA_ID_WWN, ATA_ID_WWN_LEN); num += ATA_ID_WWN_LEN; } rbuf[3] = num - 4; /* page len (assume less than 256 bytes) */ and most of the time IDE disks in a virtual machine are configured without a WWN. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html