[Xen-users] dom0 packet loss

[John Madden <jmadden@xxxxxxxxxxx>]

I'm sure the old-timers will remember my posts awhile back about Xen 2.0.x and 
intermittent (but reproducible) network loss in the form of total hangs of 
the network paths to both dom0 and domU.  It was explained away at the time 
as a design problem (something about queues being exhausted was one potential 
culprit) that would be resolved in Xen 3.0.  

I'm now on Xen 3.0.2 and I'm seeing similar problems -- setup a ping to dom0 
and over a period of a few hours there will be occasional packet loss.  It 
isn't yet as bad as it was before at only about one packet in 500, but it's 
still troubling, particularly given that I'm not yet running any domU's and 
that the box is completely idle -- not that that should matter anyway.  How 
can this be?  What can cause dom0 to just discard packets?

Thanks,
  John




-- 
John Madden
Sr. UNIX Systems Engineer
Ivy Tech Community College of Indiana
jmadden@xxxxxxxxxxx

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