Date: Wed, 23 Oct 2002 09:43:44 +0930 From: "Mark dR" <mark@frizzle.net> To: <freebsd-questions@freebsd.org> Subject: SCB timeout on SCSI DDS tape drive Message-ID: <004501c27a29$0d38a8a0$29446596@Flip>
next in thread | raw e-mail | index | archive | help
Good morning, I am having a problem with a DDS tape drive in a 4.4 RELEASE machine. It has been operating without a problem for > 12 months but suddenly last week the following error started to appear (see below). Is it a media error? Or do I suspect hardware failure? I have tried two new media cartridges and various reboots. Perhaps the machine needs to be physically powered off to reset the bus? The various commands (i.e. mt status) hang for a few minutes and then return "device not configured" errors. I would be grateful for any assistance that could be provided. Thank you, Mark Attached messages/logs: /kernel: (sa0:ahc1:0:4:0): SCB 0xe - timed out /kernel: ahc1: Dumping Card State while idle, at SEQADDR 0x8 /kernel: ACCUM = 0x4, SINDEX = 0x47, DINDEX = 0x25, ARG_2 = 0x3 /kernel: HCNT = 0x0 /kernel: SCSISEQ = 0x12, SBLKCTL = 0x6 /kernel: DFCNTRL = 0x0, DFSTATUS = 0x89 /kernel: LASTPHASE = 0x1, SCSISIGI = 0x0, SXFRCTL0 = 0x80 /kernel: SSTAT0 = 0x0, SSTAT1 = 0x8 /kernel: SCSIPHASE = 0x0 /kernel: STACK == 0x3, 0x175, 0x160, 0x0 /kernel: SCB count = 20 /kernel: Kernel NEXTQSCB = 5 /kernel: Card NEXTQSCB = 5 /kernel: QINFIFO entries: /kernel: Waiting Queue entries: /kernel: Disconnected Queue entries: 0:14 /kernel: QOUTFIFO entries: /kernel: Sequencer Free SCB List: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 /kernel: Pending list: 14 /kernel: Kernel Free SCB list: 15 16 17 18 19 0 1 2 3 4 6 7 8 9 13 12 11 10 /kernel: Untagged Q(4): 14 /kernel: sg[0] - Addr 0x8a62000 : Length 4096 /kernel: sg[1] - Addr 0x8dc3000 : Length 4096 /kernel: (sa0:ahc1:0:4:0): Queuing a BDR SCB /kernel: (sa0:ahc1:0:4:0): Bus Device Reset Message Sent /kernel: (sa0:ahc1:0:4:0): no longer in timeout, status = 34b /kernel: ahc1: Bus Device Reset on A:4. 1 SCBs aborted /kernel: (sa0:ahc1:0:4:0): unable to rewind after test read Here are the relevant lines from the boot message: /kernel: ahc0: <Adaptec aic7899 Ultra160 SCSI adapter> port 0x5800-0x58ff mem 0xfc000000-0xfc000fff irq 9 at device 4.0 on pci2 /kernel: aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/255 SCBs /kernel: ahc1: <Adaptec aic7899 Ultra160 SCSI adapter> port 0x6000-0x60ff mem 0xfc001000-0xfc001fff irq 9 at device 4.1 on pci2 /kernel: aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/255 SCBs /kernel: Waiting 15 seconds for SCSI devices to settle /kernel: sa0 at ahc1 bus 0 target 4 lun 0 /kernel: sa0: <SONY SDT-9000 0600> Removable Sequential Access SCSI-2 device /kernel: sa0: 10.000MB/s transfers (10.000MHz, offset 15) --- Mark dR Systems Administrator I-Nex Corporation Pty Ltd Australia To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?004501c27a29$0d38a8a0$29446596>