Jeremie, On Fri, May 20, 2005 at 03:10:32PM +0200, Jeremie Le Hen wrote: J> > according to the fact that the panic occured in dereferncing mbuf pointer J> > your kernel is compiled without INVARIANTS. J> > J> > Please compile it with INVARIANTS. This will probably help to trigger panic J> > earlier, and it will be more clear. J> J> a quick look at src/conf/NOTES reveals the following : J> %%% J> # J> # The INVARIANTS option is used in a number of source files to enable J> # extra sanity checking of internal structures. This support is not J> # enabled by default because of the extra time it would take to check J> # for these conditions, which can only occur as a result of J> # programming errors. J> # J> %%% J> J> I'm going to recompile my kernel with INVARIANTS but I wonder in J> which order of magniture it will slow my kernel down. In other words, J> what does INVARIANTS do concretely, shall I expect a performance drop J> like WITNESS does ?
No. The performance loss is _much_ less significant than in WITNESS case. You probably will not notice it. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
