Re: [PATCH] sata_mv: Fix broken Marvell 7042 support.

[Mark Lord <liml@rtr.ca>]

Mark Lord wrote:
> Morrison, Tom wrote:
>> Fwiw, I'm not running an add-on card or anything like it - no raid - 
>> nothing except a 7042 chip as the the front-end to 2-4 harddrives in 
>> my box) - in this case - I am not having a problem...
>>
>> I write this as perhaps a hint to the 'right' direction to go
>> looking for the trouble...
> ..
> 
> Thanks Tom.
> 
> So we know we *can* boot from a bare 7042, which is good!
> 
> I've poked a little more at this here, and I *think* the
> BIOS is overwriting the 9th sector on the drive.
> 
> I'll test that theory a little more.
..

Confirmed.  It writes "lgcy" + stuff into the 9th sector of the drive
(for my "Legacy" drive).

Where does Linux softraid put it's stuff ?

And Hein-Pieter:  what are you using for a bootloader ?

> Any GRUB experts out there?  How do I get GRUB to install
> the stage2 stuff on a partition, instead of in the first 63 sectors ?
..

Technically, I suppose it's the stage 1.5 stuff that's getting nuked.
Or something like that.