RE: [Xen-devel] network hang again

["James Harper" <JamesH@xxxxxxxxxxxxxxxx>]

Curiously, a normal ping from dom1 to dom0 works fine, but a ping from
dom1 to dom0 drops between 6% and 9% of packets.

Netperf always appears to work flawlessly. I'm beginning to get baffled!

James

> -----Original Message-----
> From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of James Harper
> Sent: Tuesday, 14 September 2004 22:38
> To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
> Subject: [Xen-devel] network hang again
> 
> I'm now seeing this network hang a lot, to the point where it makes my
> iscsi testing unusable. I believe this is more to do with the sort of
> testing I'm doing now more so than a bug that has suddenly appeared.
> 
> My setup is this:
> Dom0:
> 2.6.8.1
> Iscsitarget 0.3.3 + 2.6 patches + my own 2.6 patches.
> No conntrack or other netfilter related modules
> Bridged eth0 to Dom1
> /usr/src exported via nfs
> 
> Dom1:
> 2.6.8.1
> Linux-iscsi 4.0.1.8
> No conntrack or other netfilter related modules
> /usr/src mounted from Dom0
> 
> Iscsi works for a while, normally crashing in Dom0 due to another
> non-xen related bug before it hits this bug, but if I try to do a
> compile on Dom1 in the nfs mounted /usr/src, the network locks up
almost
> instantly, but then clears up shortly after if I kill the compile.
> 
> The logs show absolutely nothing of any use.
> 
> I've just tried a few netperf tests. A quick hammering goes off
without
> a hitch, but afterwards I see random dropped packets. I'll keep
testing.
> 
> James
> 
> 
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