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

[Daniel Pittman <daniel@rimspace.net>]

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