Date: Fri, 5 Mar 1999 19:19:14 -0600 From: Zach Heilig <zach@uffdaonline.net> To: scsi@freebsd.org Subject: 'camcontrol rescan' wierdness Message-ID: <19990305191914.A26718@znh.org>
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I had a CD-ROM temporarily attached to one of the SCSI busses in my computer. All SCSI devices at this point (from boot-up messages): [the drives are on the slower narrow scsi controller because one is a wide drive, and I didn't have a wide cable when I assembled this computer] ahc0: <Adaptec 2940 SCSI adapter> rev 0x00 int a irq 10 on pci0.11.0 ahc0: aic7870 Single Channel A, SCSI Id=7, 16/255 SCBs ncr0: <ncr 53c875j fast20 wide scsi> rev 0x04 int a irq 10 on pci0.13.0 Waiting 2 seconds for SCSI devices to settle changing root device to da0s1a da1 at ahc0 bus 0 target 1 lun 0 da1: <QUANTUM FIREBALL_TM2110S 300X> Fixed Direct Access SCSI-2 device da1: 10.000MB/s transfers (10.000MHz, offset 15), Tagged Queueing Enabled da1: 2014MB (4124736 512 byte sectors: 255H 63S/T 256C) da0 at ahc0 bus 0 target 0 lun 0 da0: <SEAGATE ST15230W SUN4.2G 0738> Fixed Direct Access SCSI-2 device da0: 10.000MB/s transfers (10.000MHz, offset 15), Tagged Queueing Enabled da0: 4095MB (8386733 512 byte sectors: 255H 63S/T 522C) cd1 at ncr0 bus 0 target 5 lun 0 cd1: <MATSHITA CD-R CW-7502 4.10> Removable CD-ROM SCSI-2 device cd1: 10.000MB/s transfers (10.000MHz, offset 8) cd1: Attempt to query device size failed: NOT READY, Medium not present - tray closed da2 at ncr0 bus 0 target 6 lun 0 da2: <IOMEGA ZIP 100 J.02> Removable Direct Access SCSI-2 device da2: 3.300MB/s transfers da2: Attempt to query device size failed: NOT READY, Medium not present cd0 at ahc0 bus 0 target 5 lun 0 cd0: <NEC CD-ROM DRIVE:463 1.05> Removable CD-ROM SCSI-2 device cd0: 10.000MB/s transfers (10.000MHz, offset 15) cd0: cd present [195547 x 2048 byte records] Later, I removed cd0, and re-scanned both busses: [and noted that external CDR on ncr0 was powered off (oops!), and rescanned the ncr bus]: (cd0:ahc0:0:5:0): lost device (cd0:ahc0:0:5:0): removing device entry (da3:ahc0:0:1:1): READ CAPACITY. CDB: 25 20 0 0 0 0 0 0 0 0 (da3:ahc0:0:1:1): ILLEGAL REQUEST asc:25,0 (da3:ahc0:0:1:1): Logical unit not supported sks:c0,1 (da3:ahc0:0:1:1): fatal error, failed to attach to device (da3:ahc0:0:1:1): lost device (da3:ahc0:0:1:1): removing device entry (cd1:ncr0:0:5:0): lost device (cd1:ncr0:0:5:0): removing device entry cd0 at ncr0 bus 0 target 5 lun 0 cd0: <MATSHITA CD-R CW-7502 4.10> Removable CD-ROM SCSI-2 device cd0: 10.000MB/s transfers (10.000MHz, offset 8) cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed (da1:ahc0:0:1:0): SCB 0x53 - timed out while idle, LASTPHASE == 0x1, SEQADDR == 0xb (da1:ahc0:0:1:0): Queuing a BDR SCB (da1:ahc0:0:1:0): Bus Device Reset Message Sent (da1:ahc0:0:1:0): no longer in timeout, status = 353 Unexpected busfree. LASTPHASE == 0xa0 SEQADDR == 0x151 (probe0:ahc0:0:1:2): SCB 0x22 - timed out while idle, LASTPHASE == 0x1, SEQADDR == 0xa (probe0:ahc0:0:1:2): Queuing a BDR SCB (probe0:ahc0:0:1:2): Bus Device Reset Message Sent (probe0:ahc0:0:1:2): no longer in timeout, status = 353 Unexpected busfree. LASTPHASE == 0xa0 SEQADDR == 0x151 (probe0:ahc0:0:1:3): SCB 0x22 - timed out while idle, LASTPHASE == 0x1, SEQADDR == 0xc (probe0:ahc0:0:1:3): Queuing a BDR SCB (probe0:ahc0:0:1:3): Bus Device Reset Message Sent (probe0:ahc0:0:1:3): no longer in timeout, status = 353 Unexpected busfree. LASTPHASE == 0xa0 SEQADDR == 0x151 (probe0:ahc0:0:1:4): SCB 0x22 - timed out while idle, LASTPHASE == 0x1, SEQADDR == 0xb (probe0:ahc0:0:1:4): Queuing a BDR SCB (probe0:ahc0:0:1:4): Bus Device Reset Message Sent (probe0:ahc0:0:1:4): no longer in timeout, status = 353 Unexpected busfree. LASTPHASE == 0xa0 SEQADDR == 0x151 (probe0:ahc0:0:1:5): SCB 0x22 - timed out while idle, LASTPHASE == 0x1, SEQADDR == 0x9 (probe0:ahc0:0:1:5): Queuing a BDR SCB (probe0:ahc0:0:1:5): Bus Device Reset Message Sent (probe0:ahc0:0:1:5): no longer in timeout, status = 353 Unexpected busfree. LASTPHASE == 0xa0 SEQADDR == 0x151 (probe0:ahc0:0:1:6): SCB 0x22 - timed out while idle, LASTPHASE == 0x1, SEQADDR == 0x9 (probe0:ahc0:0:1:6): Queuing a BDR SCB (probe0:ahc0:0:1:6): Bus Device Reset Message Sent (probe0:ahc0:0:1:6): no longer in timeout, status = 353 Unexpected busfree. LASTPHASE == 0xa0 SEQADDR == 0x151 (probe0:ahc0:0:1:7): SCB 0x22 - timed out while idle, LASTPHASE == 0x1, SEQADDR == 0x9 (probe0:ahc0:0:1:7): Queuing a BDR SCB (probe0:ahc0:0:1:7): Bus Device Reset Message Sent (probe0:ahc0:0:1:7): no longer in timeout, status = 353 Unexpected busfree. LASTPHASE == 0xa0 SEQADDR == 0x151 and 'camcontrol devlist' now prints out: < > at scbus-1 target -1 lun -1 (xpt0) <SEAGATE ST15230W SUN4.2G 0738> at scbus0 target 0 lun 0 (pass0,da0) <QUANTUM FIREBALL_TM2110S 300X> at scbus0 target 1 lun 0 (pass1,da1) < > at scbus0 target 1 lun 1 (pass2) < > at scbus0 target -1 lun -1 () <MATSHITA CD-R CW-7502 4.10> at scbus1 target 5 lun 0 (cd0,pass3) <IOMEGA ZIP 100 J.02> at scbus1 target 6 lun 0 (pass4,da2) < > at scbus1 target -1 lun -1 () [note the bogus pass2 entry] -- Zach Heilig <zach@uffdaonline.net> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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