Re: Migrating from x86 to amd64 Dom0 with x86 DomUs

["Marcin M. Jessa" <lists%yazzy.org@localhost>]

Den 15.03.2010 22:53, skrev Manuel Bouyer:
> On Mon, Mar 15, 2010 at 10:45:59PM +0100, Marcin M. Jessa wrote:
>    
> > [...]
> > com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
> > com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
> > wdc0 at isa0 port 0x1f0-0x1f7 irq 14
> > atabus4 at wdc0 channel 0
> > wdc1 at isa0 port 0x170-0x177 irq 15
> > atabus5 at wdc1 channel 0
> >      
> Interesting, I have no idea why this doesn't show up as a pciide
> controller. Any option in BIOS about IDE controller (maybe native/compatible)
> that could change this ?
>
> You can also try adding
> wdc0    at isa? port 0x1f0 irq 14 flags 0x00
> wdc1    at isa? port 0x170 irq 15 flags 0x00
>
> to your dom0 kernel config file
>
>    
The problem was ACPI. Not only my drives were dead slow but also 
renumbered and Xen could not recognize them.
Things are fine after I disabled ACPI in the BIOS and my kernel.

Thanks.

Marcin