Re: [Xen-devel] Poor network performance in domU in unstable

[Andrew Theurer <habanero@xxxxxxxxxx>]

Jacob Gorm Hansen wrote:

> Steven Hand wrote:
>
> > > with unstable as of April 21st, I am getting fairly bad networking 
> > > performance in my domUs, e.g 125Mbits/s TCP with iPerf over a 
> > > gigabit link, where dom0 gets around 700Mbits/s.
> >
> >
> > Is this vanilla Xen/XenLinux or have you any local changes?
>
> This is the vanilla versions, except using vmtools instead of xend. I 
> will try this with xend and report back to see if that helps anything.
I am actually seeing the same thing, about 215 Mbit on domU using NAT.  
I don't beleive I saw this before April 21st as well.
> > Always worth upgrading to latest unstable in any case; binary chop
> > on csets can help narrow things down.
>
> Yes, unfortunately the latest unstable crashes dom0 on domain creation 
> (as described by me and others on the list), which is why I picked at 
> random semi-recent version instead.
Domain creation has crashed for me since 1.1367, and recent builds wont 
fully boot dom0 for me.
-Andrew


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