Date: Mon, 26 May 2003 23:04:04 -0700 (PDT) From: Nate Lawson <nate@root.org> To: Scott Long <scott_long@btc.adaptec.com> Cc: freebsd-firewire@freebsd.org Subject: Re: Errors during probe cause inifinite loop in sbp Message-ID: <20030525211548.E3603@root.org> In-Reply-To: <3ED0E1B4.50005@btc.adaptec.com> References: <20030512170820.41494.qmail@web14811.mail.yahoo.com> <ybsfzn3z6g2.wl@ett.sat.t.u-tokyo.ac.jp> <3ED0D8F6.2070001@btc.adaptec.com> <ybsbrxrysm1.wl@ett.sat.t.u-tokyo.ac.jp> <3ED0E1B4.50005@btc.adaptec.com>
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On Sun, 25 May 2003, Scott Long wrote: > Ok, the drive is returning a sense code of 'Invalid Field in CDB'. > This means that it does support the INQUIRY command, but it doesn't like > one of the fields that CAM is putting into it. Without the full sense > data, it's impossible to know which field it doesn't like. Maybe Ken > knows what to twiddle to find this out. > I agree that there is a general bug in CAM where during device > probing it can get stuck in an infinite retry loop. It's possible that > this is being triggered by the device having an excess of queued error > status and CAM not being smart enough to dequeue all of it before trying > to do the inquiry. "Invalid field in CBD" is the proper error if you don't support EVPD data in inquiry (that's the 0x80 in the CDB). > > May 7 17:21:58 falcon kernel: sbp0:0:0 LOGIN > > May 7 17:21:58 falcon kernel: sbp: alloc 1 xfer > > May 7 17:21:58 falcon kernel: sbp0:0:1 LOGIN > > May 7 17:21:58 falcon kernel: sbp0:0:2 LOGIN > > May 7 17:21:58 falcon kernel: sbp0:0:0 login: len 12, ID 0, cmd 0000fffff0010000, recon_hold 0 > > May 7 17:21:58 falcon kernel: sbp0:0:0 sbp_busy_timeout > > May 7 17:21:58 falcon kernel: sbp: alloc 2 xfer > > May 7 17:21:58 falcon kernel: sbp0:0:0 sbp_agent_reset > > May 7 17:21:58 falcon kernel: sbp0:0:0 sbp_do_attach > > May 7 17:21:58 falcon kernel: sbp0:0:1 login: len 12, ID 1, cmd 0000fffff0020000, recon_hold 0 > > May 7 17:21:58 falcon kernel: sbp0:0:1 sbp_busy_timeout > > May 7 17:21:58 falcon kernel: sbp0:0:1 sbp_agent_reset > > May 7 17:21:58 falcon kernel: sbp0:0:1 sbp_do_attach > > May 7 17:21:58 falcon kernel: sbp0:0:2 login: len 12, ID 2, cmd 0000fffff0040000, recon_hold 0 > > May 7 17:21:58 falcon kernel: sbp0:0:2 sbp_busy_timeout > > May 7 17:21:58 falcon kernel: sbp0:0:2 sbp_agent_reset > > May 7 17:21:58 falcon kernel: sbp0:0:2 sbp_do_attach > > May 7 17:22:00 falcon kernel: sbp0:0:0 sbp_cam_scan_target > > May 7 17:22:00 falcon kernel: sbp0:0:0 ORB status src:0 resp:0 dead:1 len:3 stat:c orb:01808b4fc > > May 7 17:22:00 falcon kernel: sbp0:0:0 Request aborted I don't know about the above messages (fw-specific). > > May 7 17:22:00 falcon kernel: sbp0:0:0 XPT_SCSI_IO: cmd: 00 00 00 00 00 00 00 00 00 00, flags: 0xc0, 6b cmd/0b data/32b sense > > May 7 17:22:00 falcon kernel: sbp0:0:0 SCSI status 2 sfmt 0 valid 0 key 2 code 3a qlfr 0 len 3 TUR command, response CHECK COND, reason medium not present. > > May 7 17:22:00 falcon kernel: sbp0:0:0 sbp_agent_reset > > May 7 17:22:00 falcon kernel: sbp0:0:0 sbp_cam_scan_lun > > May 7 17:22:00 falcon kernel: sbp0:0:0 sbp_do_attach > > May 7 17:22:00 falcon kernel: sbp0:0:1 ORB status src:0 resp:0 dead:1 len:3 stat:c orb:0180ea3c4 > > May 7 17:22:00 falcon kernel: sbp0:0:1 Request aborted > > May 7 17:22:00 falcon kernel: sbp0:0:1 XPT_SCSI_IO: cmd: 12 21 80 00 ff 00 00 00 00 00, flags: 0x40, 6b cmd/255b data/18b sense > > May 7 17:22:00 falcon kernel: sbp0:0:1 SCSI status 2 sfmt 0 valid 0 key 5 code 24 qlfr 0 len 3 INQUIRY with EVPD set, alternate lun, invalid field in cdb (i.e. serial number data not present.) > > May 7 17:22:00 falcon kernel: sbp0:0:1 sbp_agent_reset > > May 7 17:22:00 falcon kernel: sbp0:0:1 sbp_do_attach > > May 7 17:22:02 falcon kernel: sbp0:0:0 sbp_cam_scan_target > > May 7 17:22:02 falcon kernel: sbp0:0:0 ORB status src:0 resp:0 dead:1 len:3 stat:c orb:01808b634 > > May 7 17:22:02 falcon kernel: sbp0:0:0 Request aborted > > May 7 17:22:02 falcon kernel: sbp0:0:0 XPT_SCSI_IO: cmd: 25 00 00 00 00 00 00 00 00 00, flags: 0x40, 10b cmd/8b data/32b sense > > May 7 17:22:02 falcon kernel: sbp0:0:0 SCSI status 2 sfmt 0 valid 0 key 2 code 3a qlfr 0 len 3 > > May 7 17:22:02 falcon kernel: sbp0:0:0 sbp_agent_reset Read Capacity, check condition, medium not present. Nothing here looks like it sent you into the loop. -Nate
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