cvs commit: src/sys/dev/mpt mpt.c mpt.h mpt_freebsd.c mpt_freebsd.h src/sys/dev/mpt/mpilib mpi.h mpi_cnfg.h mpi_init.h mpi_ioc.h mpi_raid.h

[Ruslan Ermilov]

On Tue, Jun 03, 2003 at 02:42:10PM -0700, Matthew Jacob wrote:
> 
> > This doesn't have any relation to the problem under HTT+SMP
> > with mpt(4) I was having, does it?
> 
> Not directly.
> 
> I'm sorting through some of the Domain Validation code I got from
> someboy at LSI-Logic. This current checkin is in support of that.
> 
> There's a possibility that some of the issues that have been seen (not
> necessarily yours) are related to weaknesses in MPT firmware when Domain
> Validation is *not* performed.
> 
> For example, if I connect an Ultra2 disk to an Ultra320 and have things
> all negotiate correctly, and then power cycle the Ultra2 disk, the ARQ
> data (auto request sense) for the subsequent check condition appears to
> be mangled (I can't decide whether it was shifted by a byte or endian
> fouled up). Nobody else has ever reported this, so I'm assuming it's due
> to me not doing DV. Oh well.
> 
Thanks.  If you would like to ask me to try any patches for RELENG_4,
you are welcome to.  I have a 100% reproducible case here.


Cheers,
-- 
Ruslan Ermilov		Sysadmin and DBA,
ru at sunbay.com		Sunbay Software Ltd,
ru at FreeBSD.org		FreeBSD committer
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