Yup, James hit the nail on the head... :-( Sincerely -- Mark Salyzyn -----Original Message----- From: linux-scsi-owner@xxxxxxxxxxxxxxx [mailto:linux-scsi-owner@xxxxxxxxxxxxxxx] On Behalf Of James Bottomley Sent: Wednesday, August 10, 2005 1:27 PM To: Mark Haverkamp Cc: linux-scsi Subject: Re: aacraid probe breaks in scsi-block-2.6.git On Wed, 2005-08-10 at 10:20 -0700, Mark Haverkamp wrote: > While trying out a recent mm kernel I noticed that when I loaded the > aacraid driver I saw errors probing the disks: > > sdc : sector size 0 reported, assuming 512. > SCSI device sdc: 1 512-byte hdwr sectors (0 MB) Sigh, I guess this is because aacraid is making illegal assumptions about the format of certain commands it emulates? We had a similar issue with 3w-xxxx which assumed commands like INQUIRY, READ_CAPACITY and MODE_SENSE only came from the kernel, so would never have use_sg != 0. This is, of course, wrong, since such commands can and do come from SG_IO. The fix is probably similar to the 3w-xxxx one. James - : 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 - : 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
