Date: Fri, 11 Jul 1997 11:12:17 -0700 From: Julian Elischer <julian@whistle.com> To: Tim Tsai <tim@futuresouth.com> Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: help debugging this Message-ID: <33C67781.6F5992E1@whistle.com> References: <19970711103344.05270@shell.futuresouth.com>
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Tim Tsai wrote:
>
> What's the likely problem for this, the hard disk reset itself?
>
> Thanks,
>
> Tim
>
> sd0(ahc0:0:0): UNIT ATTENTION asc:29,0
^^^^^
> sd0(ahc0:0:0): Power on, reset, or bus device reset occurred
> , retries:4
> sd1(ahc1:4:0): parity error during Command phase.
> sd1(ahc1:4:0): SCB 0x0 - timed out in command phase, SCSISIGI == 0x56
> SEQADDR = 0x42 SCSISEQ = 0x12 SSTAT0 = 0x7 SSTAT1 = 0x17
> sd1(ahc1:4:0): abort message in message buffer
> sd1(ahc1:4:0): SCB 0x1 - timed out in command phase, SCSISIGI == 0x56
> SEQADDR = 0x43 SCSISEQ = 0x12 SSTAT0 = 0x7 SSTAT1 = 0x17
> ahc1: Issued Channel A Bus Reset. 2 SCBs aborted
> Clearing bus reset
> Clearing 'in-reset' flag
> sd1(ahc1:4:0): no longer in timeout
> sd1(ahc1:4:0): UNIT ATTENTION asc:29,2
^^^^^
> , retries:3
two differnt disks had problems..
on differnt SCSI busses too!
your power supply (or it's connectors) is bad.
help
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