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RE: [Xen-users] Network dies when downloading on dom0


  • To: "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Joseph L. Casale" <JCasale@xxxxxxxxxxxxxxxxx>
  • Date: Sun, 24 Aug 2008 20:08:55 -0600
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Delivery-date: Sun, 24 Aug 2008 19:09:33 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AckGU4Q4B3C9yOjNQeuZPBdV1uWzbQAA6vBA
  • Thread-topic: [Xen-users] Network dies when downloading on dom0

>I'm running the following setup:
> - Gentoo Linux 2.6.21-xen (on both dom0 and all domUs)
> - Xen 3.2.1
> - Firewall (shorewall) running in a domU
> - Bridged networking

With the exception of Dom0/U OS, I run the exact setup :)

>The problem I'm having is that whenever i download a large file (3mb+)
>from the internet on the dom0 any networking on the host machine dies
>and the dom0 and all its domU's become completely unavailible for about
>5 minutes whereafter the network comes back up again and everything
>starts working.

I had these same issues, do you run iptables in Dom0? I recall an issue
when doing so but I never tested the fix I just disabled it as Dom0 was
physically isolated.

jlc

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