Re: Hardware RAID problem with NetBSD 5?

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

On Tue, Mar 30, 2010 at 12:38:05AM +0000, John Klos wrote:
> Hi,
>
> I'm not sure if this a problem with the motherboard I'm using or with  
> NetBSD, but here goes anyway. I have an MSI MS-7511 amd64 motherboard  
> which has a form of hardware RAID on the motherboard. However, after 
> using it for a few minutes, the machine locks up HARD. I can't get into 
> the debugger, I can't get any sort of activity, and even the reset button 
> doesn't work!
>
> It makes me think that perhaps the system disables the reset so that  
> writes which need to go out don't get interrupted the very instant that  
> the reset button is pushed, but if that's the case this would be the 
> first time I've seen anything like this on an x86 system.
>
> If I set the SATA controller to AHCI mode in the BIOS, the system can run 
> for days. If set to RAID (I'm simply mirroring two 1 TB drives), it might 
> finish a newfs and untargzip a set, but never all of them.

How old is your kernel ? I've had strange issues with ahci and
interrupts on some machines, and a fix (or rather a workaround) for this 
has just been pulled up to netbsd-5. It could be your problem as well ...

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