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Re: dom0 -> domU packet loss
On Wed, Apr 22, 2009 at 04:33:10PM -0400, Brian Marcotte wrote:
> > I noticed that Linux is requesting "feature-rx-notify" in its network
> > driver to request the dom0 use an additional buffer to reduce packet
> > loss. I added this to some of my NetBSD hosts and I'm no longer getting
> > drops.
> It looks like this is not enough. Eventually one of several hosts running
> this patch will suddenly slow to a crawl after a couple of days.
> I notice that the linux driver switched from RING_PUSH_REQUESTS to
> RING_PUSH_REQUESTS_AND_CHECK_NOTIFY. I've added this to some of my
> systems, but it may take me several days to see if it's stable.
did you get any more details about this ? Any patch ?
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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