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On Fri, Mar 04, 2005 at 10:07:26AM -0800, Hisashi T Fujinaka wrote:
> So I have a couple of simple questions, has anything major changed in
> the past week? Is m_copym or m_copydata used directly from userland
> at all? Is the mbuf copying code used in anything besides the network
> stack?

Yes.  TCP/SACK got folded in.  I'm looking over the SACK code now to
see if there's anything that can cause this, but in the meanwhile,
could you disable sack via sysctl and tell me if the problem goes away?
(net.inet.tcp.sack=3D0)

Thanks,

--=20
Kentaro A. Kurahone
SIGUSR1 Research and Development

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