Date: Wed, 15 Nov 2006 23:11:58 -0700 From: "Kenneth D. Merry" <ken@kdm.org> To: mjacob@freebsd.org Cc: freebsd-scsi@freebsd.org Subject: Re: amusing stumble for the 6 to 10 byte checking code Message-ID: <20061116061158.GA37070@nargothrond.kdm.org> In-Reply-To: <20061115211433.R8053@ns1.feral.com> References: <20061115211433.R8053@ns1.feral.com>
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On Wed, Nov 15, 2006 at 21:15:01 -0800, mjacob@freebsd.org wrote: > > This caught my eye this morning: > > > (da0:isp1:0:0:0): WRITE(06). CDB: a 8 68 90 80 0 > (da0:isp1:0:0:0): CAM Status: SCSI Status Error > (da0:isp1:0:0:0): SCSI Status: Check Condition > (da0:isp1:0:0:0): UNIT ATTENTION asc:29,1 > (da0:isp1:0:0:0): Power on occurred > (da0:isp1:0:0:0): Retrying Command (per Sense Data) > (da0:isp1:0:0:0): READ(6)/WRITE(6) not supported, increasing > minimum_cmd_size to > 10. That shouldn't have happened in response to a unit attention. It should only happen if the SIM comes back with CAM_REQ_INVALID, or if the target comes back with an illegal request sense code. So there may have been another intervening error that caused the switchover. > (da0:isp1:0:0:0): WRITE(10). CDB: 2a 0 0 8 68 90 0 0 80 0 > (da0:isp1:0:0:0): CAM Status: SCSI Status Error > (da0:isp1:0:0:0): SCSI Status: Check Condition > (da0:isp1:0:0:0): ILLEGAL REQUEST asc:24,0 > (da0:isp1:0:0:0): Invalid field in CDB > (da0:isp1:0:0:0): Unretryable error Hmm. Illegal field, and not invalid command operation code? That's odd. What kind of drive is this? The CDB looks valid at first glance... > I'm still trying to figure out what happened here. Anyone else seen > this? Never seen it. Ken -- Kenneth Merry ken@kdm.org
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