cvs commit: src/sys/conf options src/sys/sys kernel.h src/sys/net netisr.c

Jun Kuriyama kuriyama at
Sat Sep 4 02:50:02 PDT 2004

At Fri, 3 Sep 2004 07:31:23 -0400 (EDT),
Robert Watson wrote:
> Regarding IPv6: significant parts of IPv6 are safe in an MPSAFE
> environment, but not very well tested -- I've had about three or four
> minor but significant (fail stop) bugs to correct in the last two weeks. 
> I don't doubt more are waiting.  Areas that still require substantial
> attention in locking include the IPv6 forwarding path, ip6fw, and
> multicast discovery/routing.  If you're using IPv6 on a local system
> largely for services like TCP consumption and serving, you are probably
> OK, but might encounter fail stop (assertion failure) scenarios that
> require some debugging.  So far, these problems have generally been
> resolved within 48 hours of the problem being reported.
> So if you're willing to do a bit of testing, MPSAFE operation is probably
> ready for you, and additional IPv6 testing is something I'd like to see
> more of, as I don't have easy access to a rich IPv6 environment. 

Nice to hear.  I'll start testing with mpsafenet=1 with usual workload
from Monday (sitting at console).

# I don't care if my box panics. :-)

Jun Kuriyama <kuriyama at> // IMG SRC, Inc.
             <kuriyama at> // FreeBSD Project

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