Re: Adaptec AHA-2940U2W "Data Parity Error Dectected" messages

From: Daniel Pittman (daniel_at_rimspace.net)
Date: 08/09/05

  • Next message: Paul Jackson: "Re: [PATCH] cpuset release ABBA deadlock fix" 
    To: Lee Revell <rlrevell@joe-job.com>
Date:	Tue, 09 Aug 2005 18:16:46 +1000

    Lee Revell <rlrevell@joe-job.com> writes:
    > On Tue, 2005-08-09 at 17:19 +1000, Daniel Pittman wrote:
    >> I recently installed a SCSI tape drive and Adaptec AHA-2940U2W SCSI
    >> controller into my server to run backups.
    >>
    >> Since then, the driver issues these warnings on a semi-regular basis
    >> while the drive is busy:
    >>
    >> Aug 9 17:00:26 anu kernel: scsi0: Data Parity Error Detected during address or write data phase
    >> Aug 9 17:00:26 anu kernel: scsi0: PCI error Interrupt at seqaddr = 0x8
    >
    > Make sure the hardware is all installed correctly. Check that the card
    > is fully seated, or try it in another PCI slot.

    Thanks. I will take the server down shortly and give that a shot.

    > Also check your cabling and termination.

    Could SCSI cabling and/or termination cause the card to report *PCI*
    errors, or am I misunderstanding these messages?

    I guess that the fact that the "PCI" bit kept showing up in them is
    what confuses me. I didn't except a SCSI card to report PCI bus issues
    through the Linux driver, and since it claimed to be a victim, not a
    cause, I didn't know quite how to trace the problem down...

    Thanks,
          Daniel
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