Date: Wed, 9 May 2001 13:04:59 -0600 From: "Kenneth D. Merry" <ken@kdm.org> To: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de> Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: Another problem with the new CAM error handling Message-ID: <20010509130459.A17074@panzer.kdm.org> In-Reply-To: <20010509204919.H12728@uriah.heep.sax.de>; from j@uriah.heep.sax.de on Wed, May 09, 2001 at 08:49:19PM %2B0200 References: <20010426110542.A50185@uriah.heep.sax.de> <200104261435.f3QEZLs23573@aslan.scsiguy.com> <20010426190714.E50185@uriah.heep.sax.de> <20010428231227.A37369@panzer.kdm.org> <200105060912.f469CnU07813@uriah.heep.sax.de> <20010506115718.B94763@panzer.kdm.org> <200105070451.f474pfN11471@uriah.heep.sax.de> <20010507171142.A3692@panzer.kdm.org> <20010509204919.H12728@uriah.heep.sax.de>
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On Wed, May 09, 2001 at 20:49:19 +0200, J Wunsch wrote: > As Kenneth D. Merry wrote: > > > Well, I'm curious to see why you're only getting back unit attention > > instead of the full sense information. That seems kinda odd. > > > > You might also try powering the device off and back on again and then see > > what camcontrol reports via 'camcontrol tur pt0 -v'. (It should be the > > same as the kernel, since the code is the same.) > > OK, i tried your patch. Here's the result: > > uriah # camcontrol tur pt0 -v > Unit is not ready > (pass6:sym1:0:5:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 > (pass6:sym1:0:5:0): CAM Status: SCSI Status Error > (pass6:sym1:0:5:0): SCSI Status: Check Condition > (pass6:sym1:0:5:0): UNIT ATTENTION asc:0,0 > (pass6:sym1:0:5:0): No additional sense information > > You're right, this rather seems to be a bug in the scanner's SCSI > implementation. For comparision, i just issued a BDR to a less used > disk, here's the result: Ahh. > uriah # camcontrol tur da3 -v > Unit is not ready > (pass2:sym0:0:4:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 > (pass2:sym0:0:4:0): CAM Status: SCSI Status Error > (pass2:sym0:0:4:0): SCSI Status: Check Condition > (pass2:sym0:0:4:0): UNIT ATTENTION asc:29,0 > (pass2:sym0:0:4:0): Power on, reset, or bus device reset occurred > > Should/could we add a quirk for the scanner that synthesizes an > ASC/ASCQ of 29,0 in that case? Here's the inquiry data: I'm not sure it would really be worth it. We don't have the quirk framework at the moment to synthesize ASC/ASCQs from sense keys anyway. Ken -- Kenneth Merry ken@kdm.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the messagehome | help
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