xen-users
[Xen-users] Network stalling
Hi,
we're running Xen 2.0.5 (Kernel 2.6.11.4-21.8-xen) as installed by default
on SuSE 9.3. The machine is a dual Athlon MP on a Tyan Thunder board with
an Intel Pro/1000 NIC. The network between dom0 and the domUs uses the
default bridged setup.
Unfortunately, when transferring large amounts of data (e.g. large file
transfers via NFS, or just pumping zeroes across the network with netcat),
after 1 GB of data or so (a 3 GB file transfer definitely fails), the
network suddenly stalls with only a few 100k/s of bandwidth remaining.
This happens between dom0 and other machines, between domU and other
machines, and between several domUs when running on different CPUs.
Interestingly, things seem to be ok between domUs if they're on the same
CPU.
Are there any ideas what one could do to fix this?
Thanks in advance,
Christoph
--
-- Christoph Schmitz <schmitz@xxxxxxxxxxxxxxxx>
-- FG Wissensverarbeitung, FB 17, Universität Kassel
-- http://www.kde.cs.uni-kassel.de/schmitz
-- Tel. 0561-804-6254 -- Fax 0561-804-6259
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