WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] HVM dropped packets

On Tue, Aug 25, 2009 at 03:52:23PM -0500, Nathan Stratton wrote:
> On Tue, 25 Aug 2009, Pasi Kärkkäinen wrote:
> 
> >Well I guess then your only option is to use stubdoms.
> 
> Any way to figure out what causes the overruns on tap and drops on vif? If 
> I am using tap for HVM why is there even a vif?
> 

How's your CPU usage? 

I bet the drops are caused by the low performance of Qemu nic _emulation_.

-- Pasi

> >Beware there's a bug (qemu memleak) in xen 3.4.1 related to stubdoms and 
> >heavy io
> >on hvm guests in general: 
> >http://lists.xensource.com/archives/html/xen-devel/2009-08/msg00335.html
> 
> Thanks.
> 
> -Nathan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>