Re: upgrading from netbsd 4/xen 3.1 on i386 to HEAD on amd64

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

On Tue, Mar 11, 2008 at 04:10:04PM -0500, Chris Brookes wrote:
> On 11/03/2008, Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
> > 16 is EBUSY; it looks like you can't open a block twice now. I find it
> > strange that it did work before. Did you do it with a physical device,
> > or a file: ?
> 
> It's a physical device. Here are the snippets of config:
> 
> Linux disk = ['file:/virtual/streamer/streamer.img,sda1,w',
> 'file:/virtual/streamer/streamer.swap,sda2,w','phy:/dev/ld1a,sda3,r']
> 
> NetBSD disk = ['file:/virtual/buffer/buffer.img,0,w','phy:/dev/ld1a,wd2d,r']
> 
> > What happens if you make it 'r' in both NetBSD and linux domU ?
> 
> Same thing. Available in the NetBSD domU, timeout in the Linux.
> 
> Mar 12 00:01:07 container /netbsd: xbdback backend/vbd/7/2051: can't
> VOP_OPEN device 0x1310: 16

So I fear this won't work as is with NetBSD current. A workaround would
be do declare 2 parttions with the same size/offset on ld1

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