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Date:      Sun, 09 Jul 2000 00:12:05 -0500 (CDT)
From:      Zdenko Tomasic <zdenko@CS.UH.EDU>
To:        freebsd-stable@FreeBSD.ORG
Subject:   sym: scsi parity errors for cdrom
Message-ID:  <10007090512.AA04807@CS.UH.EDU>

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I see unrecovered SCSI parity errors under both 3.4- and 4.0 FBSD.
I checked cables, connectors and terminations and all seem to be okay.
There are other devices on this scsi bus but only cdrom shows errors.
It looks like my UltraPlex PX 32CS is at fault. Audio works fine (even
while as scsi errors abound). Can anyone interpret the following
errors codes from sym driver?
tnx.

Jul  8 20:21:27 localhost /kernel: sym0: SCSI parity error detected: SCR1=1 DBC=11000000 SBCL=29
Jul  8 20:21:27 localhost /kernel: sym0: SCSI parity error detected: SCR1=1 DBC=11000000 SBCL=29
Jul  8 20:21:27 localhost /kernel: sym0: unexpected disconnect
Jul  8 20:21:27 localhost /kernel: sym0: unexpected disconnect
Jul  8 20:21:27 localhost /kernel: (pass0:sym0:0:0:0): unrecovered SCSI parity error.
Jul  8 20:21:27 localhost /kernel: (pass0:sym0:0:0:0): unrecovered SCSI parity error.


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