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Date:      Mon, 12 Feb 2001 12:30:53 +0300
From:      "Valery Lobachev" <VLobachev@sivma.ru>
To:        <freebsd-questions@FreeBSD.ORG>, <freebsd-scsi@FreeBSD.ORG>
Subject:   scsi reset on aic7895 
Message-ID:  <016601c094d6$8063a4e0$800a0a0a@sivma.ru>

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After upgrade from 3.2 to 4.2 my FreeBSD box often freeze with next
messages:

ahc0: Bus Device Reset on A:0. 64 SCBs aborted.
ahc0:A:0 no active SCB for reconnecting target issuing BUS DEVICE RESET


My hardware config is:

ahc0: <Adaptec aic7895 Ultra SCSI adapter> port 0xe000-0xe0ff mem
0xe9002000-0xe9002fff irq 5 at device 12.0 on pci0
aic7895C: Wide Channel A, SCSI Id=7, 32/255 SCBs
ahc1: <Adaptec aic7895 Ultra SCSI adapter> port 0xe400-0xe4ff mem
0xe9004000-0xe9004fff irq 5 at device 12.1 on pci0
ahc1: Using left over BIOS settings
aic7895C: Wide Channel B, SCSI Id=7, 32/255 SCBs

acd0: CDROM <NEC CD-ROM DRIVE:282> at ata1-master using PIO4
Waiting 10 seconds for SCSI devices to settle
da0 at ahc0 bus 0 target 0 lun 0
da0: <IBM DNES-309170W S80K> Fixed Direct Access SCSI-3 device
da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing
Enabled
da0: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C)

Does anybody know this problem? How can I solve it?

Valery Lobachev.




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