Mike Accetta wrote: > The version of hdparm on this box gives > dev/sdb: > operation not supported on SCSI disks > against the SCSI disk name. With the controller in compatible mode, > here is the 'hdparm -I /dev/hdb' output on the same disk: > > ATA device, with non-removable media > Model Number: FUJITSU MHT2060BH > Serial Number: NR0YT53258G8 > Firmware Revision: 0000104A Sorry about late late late response. :-) 2.6.21 will behave better and turn off NCQ automatically in such cases. It also reports proper model and firmware revision, so we'll be able to blacklist it from info contained in the dmesg. Does your drive always work reliably if queue depth is set to one? And often fails when queue depth is 31? Thanks. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html