On Mon, 6 Feb 2006, Brian King wrote: > Alan Stern wrote: > > Some protocols (like USB UFI) or devices that don't adhere to the SCSI > > standard may indicate a nonexistent LUN by returning INQUIRY information > > with Peripheral Device Type set to 0x1f (unknown or none) and Peripheral > > Qualifier set to 0 instead of 3 as the spec requires. This patch (as650) > > causes PDT = 0x1f to be recognized as no LUN present regardless of the > > qualifier value, if the SCSI level is equal to 0. > > This patch will break the ipr driver. The ipr adapter firmware reports a > logical scsi device which is used for RAID configuration. It reports > a Peripheral Device Type of 0x1f and a scsi level of 0, since it does > not claim compliance with any scsi level. I was afraid that might happen. Okay, forget the patch. How come you didn't mention the ipr driver before when I first raised the possibility of making this change? Alan Stern - : 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
