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.
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