Subject: Re: LSI Logic 53c1030 / mpt(4) - dma error message
To: Jachym Holecek <freza@liberouter.org>
From: Nicolas Joly <njoly@pasteur.fr>
List: current-users
Date: 02/05/2005 01:32:45
On Fri, Feb 04, 2005 at 10:38:20PM +0100, Jachym Holecek wrote:
> > > If you are going to try this, make sure you are running a kernel with ddb
> > > enabled and when the panic gets hit, please copy the backtrace ("db> bt")
> > > and send it here (ok, it clearly falls off in findroot(), but seeing the
> > > intermediate calls might be of use).
> >
> > Just got the panic during boot process, with 2 SCSIPI debug lines ...
>
> Good, but I can't see any problem by bare eye ;-). Could you please
> try another patch (relative to src/sys)? It just hard-codes more
> diagnostic output. As before, SCSIPI_DEBUG will be needed.
>
> Just guessing -- is your root partition on sd0 somewhere around 20GB?
>
> (I still think transfer bytecount gets screwed somewhere on the way,
> there's a couple of implicit signed/unsigned int/int64_t casts involved...)
I'm far away from the machine now. But i'll check and report on monday.
Thanks for your help.
--
Nicolas Joly
Biological Software and Databanks.
Institut Pasteur, Paris.