> There are significant changes in UDP locking between 7.0 and 7.1, so it could
> be that we're looking at a regression there. If you're able to reproduce this
> reliably, it might well be worth doing a little search-and-replace in
> udp_usrreq.c along the following lines:
>
> INP_RLOCK_ASSERT -> INP_WLOCK_ASSERT
> INP_RLOCK -> INP_WLOCK
> INP_RUNLOCK -> INP_WUNLOCK
Given that the latest lockup (see other email) has lots of locks in the UDP
code, would you like me to try this next ? The kernel which has just locked
is one using Dimtry's patch from
http://www.freebsd.org/cgi/query-pr.cgi?pr=130652
I am not sure why that would give me different traces during the lockup
though. I was doing a lot more TCP traffic this time, but that shouldnt
interfere with UDP should it ?
-pete.
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