Re: [Xen-users] x64 hvm linux very slow on a x64 xen host

[Matthieu Patou <mat+Informatique.xen@xxxxxxxxx>]

On 20/01/2010 12:47, Pasi Kärkkäinen wrote:
> On Wed, Jan 20, 2010 at 11:30:37AM +0300, Matthieu Patou wrote:
>    
> > Hello,
> >
> > I'm trying to use Fedora x64 on a xen x64 host in hvm mode and the domU
> > is _very_ slow.
> > I am wondering if there is any tunning possible ?
> >
> >      
> You'd have to pv-on-hvm drivers to get good IO performance.
>    
Where can I get them ?
> Other (easier) option is to use Fedora PV guest, instead of HVM.
>
>    
Yeah I'm thinking about converting my image to PV but I was just 
wondering why is so slow ...
Note that fedora i386 do not look so slow on the same xen x64 host

Matthieu.

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