Subject: Re: SCSI probs on spork 10
To: Jim Bernard <>
From: Manuel Bouyer <>
List: port-sparc
Date: 06/26/2001 21:25:09
On Mon, Jun 25, 2001 at 03:36:33PM -0600, Jim Bernard wrote:
>   Even though there has never been a scsi parity error with any older (than
> early April) kernel?

There may be a timing interration going here. I think there was a bug
which caused the SCSI bus to run at 8Mhz instead of 10.

>   I tried tearing it apart, checking termination, etc., but nothing changed.
> I haven't yet tried swapping out cables or swapping positions of hardware on
> the bus.  That's largely because the kernel dependence seems so strongly
> suggestive of a software problem.  But I could be persuaded to check further.
>   BTW: I don't think the other person (Scott ...) who has been seeing
> scsi-related hangs has been having problems with parity errors, so it's
> by no means clear that the parity errors I'm seeing are at the root of the
> hangs.  I.e., even if I do have a hardware problem, there does seem to be
> at least one software problem as well.

It seems that commands timed you aren't properly reported to the upper
layer, yes.

Manuel Bouyer <>