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Date:      Mon, 30 Aug 1999 11:58:42 -0400 (EDT)
From:      Alec Aakesson <aakesson@EAST.ISI.EDU>
To:        freebsd-scsi@freebsd.org
Cc:        Alec Aakesson <aakesson@EAST.ISI.EDU>
Subject:   ahc0
Message-ID:  <Pine.GSO.4.00.9908301032350.13328-100000@ale.east.isi.edu>

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Hi,
I have an ahc0 (aha 2940w/2940uw), and when I try to install any large
files on to a scsi disk I get this message:

sd0(ahc0:0:0) SCB 0x0 -timed out in dataout phase, SCSISIGI == 0xe6
SEQADDR = 0x129 SCSISEQ = 0x12 SSTAT0 = 0x2 SSTAT1 = 0x13
sd0(ahc0:0:0): abort message in buffer
sd0(ahc0:0:0) SCB 0x1 -timed out in dataout phase, SCSISIGI == 0xf6
SEQADDR = 0x129 SCSISEQ = 0x12 SSTAT0 = 0x2 SSTAT1 = 0x13
sd0(ahc0:0:0): no logner in timeout
ahc0: Issued Channel A Bus Reset.  2 SCBs aborted

I have tried throttling the scsi controller back to 10Mbs and disabling 
the wide scsi negotiation. Effectively, this gave a throughput of 5Mbs but 
this still did not work.

Thanks,
Alec

________________________________________________________________________
Alexander S. Aakesson					aakesson@isi.edu

USC/ISI							703.812.3724





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