Re: Adaptec 29320LPE errors on boot

[James Bottomley <James.Bottomley@HansenPartnership.com>]

On Wed, 2008-03-05 at 12:42 -0300, Rodrigo Severo wrote:
> Hi,
> 
> 
> I have this Adaptec 29320LPE SCSI board (used the aic79xx driver)
> which give several errors during boot time, just after it recognizes
> the HDs connected to it.
> 
> If I remove the SCSI HD there are no SCSI errors.
> 
> The very first error messages have scrolled up and I don't know how to
> get to them (is there a way?)

If you can get it to boot (say to a ramdisk with a shell) then dmesg
gives them ... otherwise you need a serial console.

>  but here is the transcript of what I can
> see:
> 
> scsi0: hwerrint, Sequencer Parity Error
> scsi0: hwerrint, Data-path Parity Error
> scsi0: hwerrint, Scratch or SCB Memory Parity Error
> scsi0: hwerrint, CIOBUS Parity Error

That's a pretty comprehensive sequence of parity errors.  Assuming
they're the root cause rather than something caused by the first error:
best case, you just need a better cable or termination; worst case, your
card is actually hosed in its internal data path.

James