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xen-bugs
Re: [Xen-bugs] Traffic issues Dom0 > DomU
On Thu, Jan 27, 2011 at 09:43:25PM +0100, W. Bontekoe - WIPA Nederland B.V.
wrote:
> Yes i did, exactly. But also there i found no changes. Every VM that i move
> to this host has the exact same problem though they use seeral
> kernals/versions. I compared all VM's, nothing.
>
> I even did a reinstall of the dom0 twice, updated all device drivers (HP PSP)
> .. Nothing.
What happens if you modify the size of the ping? Say ping -s80 or ping -s2000
does it work better or worst?
>
> Its really a problem on the Xen bridge (peth0), even in NAT mode....
>
>
> ----------------------
> Met vriendelijk groet / Kind regards,
> WIPA Nederland B.V. / Information Trends B.V.
>
> Wieger Bontekoe
> Tel.: 06 - 24378263
>
> Verzonden vanaf mijn iPhone 4 16GB
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> Op 27 jan. 2011 om 21:40 heeft "Konrad Rzeszutek Wilk"
> <konrad.wilk@xxxxxxxxxx> het volgende geschreven:
>
> >> When i ping from the dom0 to the domU:
> >>
> >> --- XX.XX.XX.9 ping statistics ---
> >> 19 packets transmitted, 12 received, 36% packet loss, time 18021ms
> >> rtt min/avg/max/mdev = 0.032/0.181/1.794/0.486 ms
> >>
> >> This means that it drops a lot of connections and this domU seriously can't
> >> function like this. I've never seen this on any of our other Xen servers so
> >> this one is really bugging me.
> >>
> >> Anybody else had this problem before? The log is not showing anything (no
> >> errors or faults)
> >
> > You tried the usual assortment of turning gso/tso/whatnot on/off? Look
> > in the xen-devel mailing list for the proper commands.
> >
> >
>
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