Date: Fri, 17 Oct 1997 09:03:24 +0930 From: Greg Lehey <grog@lemis.com> To: Andrew Heybey <ath@bellcore.com> Cc: questions@FreeBSD.ORG, scsi@FreeBSD.ORG Subject: Re: NCR 53c810 & DAT tape Message-ID: <19971017090324.50542@lemis.com> In-Reply-To: <199710162020.QAA01841@grapenuts.bellcore.com>; from Andrew Heybey on Thu, Oct 16, 1997 at 04:20:22PM -0400 References: <199710162020.QAA01841@grapenuts.bellcore.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Oct 16, 1997 at 04:20:22PM -0400, Andrew Heybey wrote:
> So after I post about the wonders of my new SCSI controller & DAT
> drive, then I run into a problem.
>
> I try to do a large dump on the drive (about 300 MB), and it dies
> after 26340 tape blocks with a write error, and the drive wedges with
> both LEDs on. By "wedged" I mean that it doesn't respond to pushing
> the eject button, dump is stuck in a disk wait, and an attempt to make
> something happen by causing a reprobe ("scsi -f /dev/rst0.ctl -p")
> also hangs in a disk wait.
>
> Log messages after the error were:
>
> ncr0:6: ERROR (a0:0) (a-2a-0) (48/13) @ script (1bc:7c094800).
> ncr0: script cmd = 900b0000
> ncr0: regdump: da 10 80 13 47 48 06 1f 01 0a 86 2a 80 00 0a 00.
> ncr0: restart (fatal error).
> st0: COMMAND FAILED (9 ff) @f064ea00.
> ncr0: timeout ccb=f064ea00 (skip)
>
> Boot-time probe messages for the machine, tape & controller are:
>
> FreeBSD 3.0-970807-SNAP #0: Thu Aug 7 09:39:34 GMT 1997
> root@make.ican.net:/usr/src/sys/compile/GENERIC
> CPU: Pentium (232.96-MHz 586-class CPU)
> Origin = "GenuineIntel" Id = 0x543 Stepping=3
> Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
> ncr0: <ncr 53c810 fast10 scsi> rev 0x01 int a irq 9 on pci0.10.0
> ncr0: minsync=25, maxsync=206, maxoffs=8, 16 dwords burst, normal dma fifo
> ncr0: waiting for scsi devices to settle
> scbus0 at ncr0 bus 0
> st0 at scbus0 target 6 lun 0
> st0: <ARCHIVE Python 25501-XXX 5.45> type 1 removable SCSI 2
> st0: Sequential-Access
> st0: 6.7 MB/s (150 ns, offset 8)
> density code 0x13, drive empty
>
> The tape drive is the only thing on the bus. It is not clear to me
> from the log messages whether the error is from the tape drive or some
> kind of problem with the controller. Any hints?
Is this repeatable? Do you have your termination set up correctly?
Greg
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19971017090324.50542>