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Date:      Mon, 10 Jul 2000 01:44:56 -0500 (CDT)
From:      Zdenko Tomasic <zdenko@CS.UH.EDU>
To:        freebsd-scsi@freebsd.org
Subject:   sym: scsi parity errors for cdrom
Message-ID:  <10007100644.AA16551@CS.UH.EDU>

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It was suggested I redirect my inquiry from -stable to -scsi, so there
it is:

I see unrecovered SCSI parity errors under both 3.4- and 4.0 FBSD.
I checked cables, connectors and termination 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 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 DBC11000000 SBCL=29
Jul  8 20:21:27 localhost /kernel: sym0: SCSI parity error detected: SCR1=1 DBC11000000 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 rror.
Jul  8 20:21:27 localhost /kernel: (pass0:sym0:0:0:0): unrecovered SCSI parity rror.



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