Date: Mon, 15 Nov 2004 22:14:31 -0800 (PST) From: "Matthew T. Lager" <freebsd@trinetworks.com> To: "Kris Kennaway" <kris@obsecurity.org> Cc: freebsd-questions@freebsd.org Subject: Re: MPSAFE - Warning Message-ID: <1733.24.25.209.32.1100585671.squirrel@24.25.209.32> In-Reply-To: <20041116031937.GA32097@xor.obsecurity.org> References: <200411160054.39582.giulianocm@uol.com.br> <20041116031937.GA32097@xor.obsecurity.org>
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I too receive this error. I require the use of KAME IPSEC. Basiclly, services such as IPV6 and IPSEC require the kernel to be GIANT locked, which is incompatable with MPSAFE. 5.3 forces MPSAFE to 0 if the system is GIANT locked, hence the warning. I backed down to 5.2.1 and ran IPSEC with no problems. I actually did experience many issues with my IPSEC tunnel in 5.3. I beleive a GIANT FREE IPV6/IPSEC implementation is a requirement for the 5.4 release, hopefully we see it soon in the -STABLE tree, keep an eye on freebsd.org/releng as it is listed as a project in the TODO list (at least for IPSEC)... Matthew T. Lager > On Tue, Nov 16, 2004 at 12:54:39AM -0200, Giuliano Cardozo Medalha wrote: >> Hi, >> >> I got some messages for my customized kernel, using IPsec and IPv6: >> >> WARNING: MPSAFE network stack disabled, expect reduced performance. >> >> My kernel have the following option: >> >> options NET_WITH_GIANT >> >> How is possible to correct this warning > > Wait for a later release, or disable IPv6 :-) > > IPv6 is not yet MP-safe. > > Kris >
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