Date: Mon, 13 Nov 2000 17:09:28 -0800 From: Mike Smith <msmith@freebsd.org> To: Lloyd Rennie <lloyd@vbc.net> Cc: scsi@freebsd.org Subject: Re: Mylex AcceleRAID-170 32Mb - Help needed with errormsg Message-ID: <200011140109.eAE19SF01147@mass.osd.bsdi.com> In-Reply-To: Your message of "Mon, 13 Nov 2000 16:10:59 GMT." <Pine.BSF.4.10.10011131603450.29666-100000@brunel.uk1.vbc.net>
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> mly0: got AM completion for illegal slot 12288 at 62
> mly0: got AM completion for illegal slot 28672 at 63
> mly0: got AM completion for illegal slot 49152 at 64
>
> While I can find this error quite easily in the driver sources, I find no
> explanation of what it means (I have no knowledge of how SCSI works, what
> a 'slot' is in this context, etc.)
>
> Can someone shed a little light on this?
Sorry, I just realised I didn't actually answer this part of the question.
These Mylex adapters aren't really "SCSI" controllers at all, they just
look a bit like one. In the case above, the driver has received
three commands back from the controller which have illegal "slot
numbers". The "slot number" is just a tag the driver uses to identify
the command; we only issue slot numbers from 1 up to around 256, so the
presence of those higher numbers indicates that something has gone wrong;
either the controller firmware has crashed, or something else has
trampled over the status ring.
--
... 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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