Date: Wed, 31 Jan 2001 12:15:12 -0800 From: Mike Smith <msmith@freebsd.org> To: Corris Randall <corris@yahoo.com> Cc: freebsd-hardware@freebsd.org Subject: Re: aac driver with Dell Perc 3si (scsi errors) Message-ID: <200101312015.f0VKFCW00827@mass.dis.org> In-Reply-To: Your message of "Wed, 31 Jan 2001 08:39:44 PST." <20010131163944.14146.qmail@web11606.mail.yahoo.com>
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>
> Hi all,
>
> I have a Dell Poweredge 2450 with the Dell PERC 3si
> RAID controller and 5 36GB Quantum disks. Since the
> aac isn't on the 4.2 cd, I assume it's not for that
> release. I'm running 5.0-20010119-CURRENT. this is
> the error I'm getting. is it bad? is it unsolvable?
> should I return the perc3 and get an adaptec 2100s?
>
> aac0: ** ID(0:03:0); Unexpected Bus Free [command:0x28]
> aac0: ** ID(0:03:0); Error Event [command:0x28]
> aac0: ** ID(0:03:0); Unit Attention [k:0x6,c:0x29,q:0x86]
> aac0: ** ID(0:03:0); Power On, Reset, or Bus Device Reset
> aac0: ** SCSI Channel[0]: Timeout Detected On 1 Command(s)
> aac0: ** ID(0:03:0); Aborted Command [command:0x2a]
> aac0: ** ID(0:03:0); Unexpected Bus Free [command:0x28]
> aac0: ** ID(0:03:0); Error Event [command:0x28]
> aac0: ** ID(0:03:0); Unit Attention [k:0x6,c:0x29,q:0x86]
> aac0: ** ID(0:03:0); Power On, Reset, or Bus Device Reset
These are SCSI errors reported directly by the controller. The 'aac'
manpage doesn't have a comprehensive DIAGNOSTICS section because many of
the useful messages come to us preformatted by the controller - they're
printed with the '**' leader so you can tell that.
Your problem is cabling, termination or drive firmware, and swapping to
another controller won't help. You might want to start by seeing if you
can't get a firmware update for your drives from Quantum; you can also do
all the usual cable checking, etc. In the sample above, at least, you're
only getting errors on the drive at ID 3; if you never see these errors
for any other drive, you can narrow your search somewhat.
Regards,
Mike
--
... every activity meets with opposition, everyone who acts has his
rivals and unfortunately opponents also. But not because people want
to be opponents, rather because the tasks and relationships force
people to take different points of view. [Dr. Fritz Todt]
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