Re: mvsata problem

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Oct 15, 2010 at 04:57:07PM +1300, Mark Davies wrote:
> On Fri, 15 Oct 2010, Christoph Egger wrote:
> > After the crash you see a "ddb>" prompt, right?
> > When type "show register" there I suppose, you will see
> > a line like
> >
> > ebx           0
> 
> That is indeed the case.
> 
> > If this is the case, then the problem is a dereferencing a
> > NULL-pointer.
> 
> The other thing that I found odd with the output was that the card has 
> 4 ports but dmesg said
> 
> atabus0 at mvsata0 channel 0
> atabus1 at mvsata0 channel 1
> atabus2 at mvsata0 channel 2
> atabus3 at mvsata0 channel 3
> atabus4 at mvsata0 channel 4
> atabus5 at mvsata0 channel 5
> atabus6 at mvsata0 channel 6
> atabus7 at mvsata0 channel 7
> 
> and one disk attached (to port 3) but
> 
> mvsata0 port 3: device present, speed: 3.0 Gb/s
> mvsata0 port 7: device present, speed: 3.0 Gb/s

this is indeed very odd. I guess the drive is seen twice them,
and accessing beyond some data structure.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--