Date: Tue, 29 Feb 2000 23:21:33 -0800 From: Mike Smith <msmith@freebsd.org> To: "Kenneth D. Merry" <ken@kdm.org> Cc: scsi@FreeBSD.ORG Subject: Re: chio trap with not-ready changer Message-ID: <200003010721.XAA04319@mass.cdrom.com> In-Reply-To: Your message of "Wed, 01 Mar 2000 00:08:08 MST." <20000301000808.A28657@panzer.kdm.org>
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> > Unfortunately, it's still failing: > > > > (ch0:ahc0:0:4:0): MODE SENSE(06). CDB: 1a 0 1d 0 20 0 > > (ch0:ahc0:0:4:0): UNIT ATTENTION asc:29,0 > > (ch0:ahc0:0:4:0): Power on, reset, or bus device reset occurred > > (ch0:ahc0:0:4:0): fatal error, failed to attach to device > > (ch0:ahc0:0:4:0): lost device > > (ch0:ahc0:0:4:0): removing device entry > > > > I don't know whether it's necessary to clear this condition somehow... > > Well, normally, issuing any command other than an inquiry will clear a > unit attention condition. > > What happens if you do something like: > > camcontrol tur passN -v > > Where passN is the passthrough device that attached to it? If it returns > errors, try it a few times in a row. > > Also, it might be interesting to see what CAM status is getting returned > each time. The attached patch is the same as the previous patch, except > that it will print out the CAM status, SCSI status and retry count for > each failed command during the probe phase. (ch0:ahc0:0:4:0): CAM status = 0x4c, retry count = 0 (ch0:ahc0:0:4:0): MODE SENSE(06). CDB: 1a 8 1d 0 20 0 (ch0:ahc0:0:4:0): UNIT ATTENTION asc:29,0 (ch0:ahc0:0:4:0): Power on, reset, or bus device reset occurred (ch0:ahc0:0:4:0): CAM status = 0x4c, retry count = 0 (ch0:ahc0:0:4:0): MODE SENSE(06). CDB: 1a 0 1d 0 20 0 (ch0:ahc0:0:4:0): UNIT ATTENTION asc:29,0 (ch0:ahc0:0:4:0): Power on, reset, or bus device reset occurred (ch0:ahc0:0:4:0): MODE SENSE(06). CDB: 1a 0 1d 0 20 0 (ch0:ahc0:0:4:0): UNIT ATTENTION asc:29,0 (ch0:ahc0:0:4:0): Power on, reset, or bus device reset occurred (ch0:ahc0:0:4:0): fatal error, failed to attach to device (ch0:ahc0:0:4:0): lost device (ch0:ahc0:0:4:0): removing device entry ... fnord# camcontrol tur pass0 -v Unit is not ready (pass0:ahc0:0:4:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 (pass0:ahc0:0:4:0): UNIT ATTENTION asc:29,0 (pass0:ahc0:0:4:0): Power on, reset, or bus device reset occurred field replaceable unit: 4 fnord# camcontrol tur pass0 -v Unit is ready Looks like it might want a TEST UNIT READY to clear the condition? -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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