RE: [Xen-devel] Network freezing for paravirt linux, 3.0.3

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> At points in the game domU networking completely freezes, becoming
> unresponsive to ssh, ping, the openGL transport, and other services I
> tried. Other simptoms:
>     - Tcpdump reveals that the only traffic on the vifX.Y are inbound
> broadcasts.
>     - There are no dropped packets (as shown by ifconfig and
> /proc/net/dev).
>     - Happens with both transmit checksumming offload enabled and
disabled.
>     - Measured from both dom0 and domU.
>     - Both with network bridging and routing.
>     - Did not happen for an hvm doing network emulation (did happen
for
> PV-on-HVM network driver).
>     - For whatever it's worth, doesn't happen with vmware network
> emulation either.

Do you have dom0 directly on the bridge or via a netloop device as per
the normal scripts (i.e. you have both a peth0 and eth0)? Can you repro
on xen-unstable?

Ian

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