Re: xen on amd64

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

On Wed, Apr 09, 2008 at 10:47:17PM -0500, M Graff wrote:
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> I've decided it's time to try out xen, mostly because I need more
> versions of NetBSD doing trial-builds than I have power budget for.
> 
> I've installed an arm64 -current(ish), upgraded to the latest -current
> kernel and userland, and installed a small pile of packages to make it
> into a "real" machine.  Other than pkgsrc/net/net-snmp not compiling,
> this worked without a hitch.
> 
> Problem #1:  The motherboard-installed Intel SATA RAID controller isn't
> detected.
> 
> # pcictl pci0 list -n
> ...
> 000:31:2: 0x27c38086 (0x01040001)
> ...
> 
> # pcictl pci0 list
> ...
> 000:31:2: Intel 82801GB/GR RAID SATA Controller (RAID mass storage,
> revision 0x01)
> ...
> 
> Is there a driver for this that I'm missing?  I thought this driver was
> supposed to detect several modern controllers?
> 
> ~  ahcisata* at pci? dev ? function ?      # AHCI SATA controllers

It should work if it's not in RAID mode. I suspect some support for RAID has
been added, but I don't remember the details.

> First problem:
> I had to specify root on wd0a in the XEN_DOM0 kernel or it could not
> find a root partition.  And the USB keyboard didn't work when prompted
> for a root device.  Adding the "root on wd0a" 'fixed' this.

You could also add
bootdev=wd0
in grub on the netbsd boot line

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