[Xen-devel] network hang again

["James Harper" <JamesH@xxxxxxxxxxxxxxxx>]

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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