Date: Fri, 18 Oct 2013 13:54:43 +0100 (BST) From: Anton Shterenlikht <mexas@bris.ac.uk> To: freebsd-questions@freebsd.org, rwmaillists@googlemail.com Subject: Re: warning: total configured swap (8960911 pages) exceeds maximum recommended amount (8243200 pages). Message-ID: <201310181254.r9ICshUi050154@mech-cluster241.men.bris.ac.uk> In-Reply-To: <20131018134153.4dc44e93@gumby.homeunix.com>
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> Fri, 18 Oct 2013 05:41:54 -0700 (PDT) >Date: Fri, 18 Oct 2013 13:41:53 +0100 >From: RW <rwmaillists@googlemail.com> >To: freebsd-questions@freebsd.org >Subject: Re: warning: total configured swap (8960911 pages) exceeds maximum > recommended amount (8243200 pages). > >On Thu, 17 Oct 2013 19:14:33 +0100 >Frank Leonhardt wrote: > >> On 17/10/2013 17:01, RW wrote: > >> > The hard limit that's mentioned there is i386 only. I think that may >> > have changed a bit since 8.2. >> > >> This was running 8.2 on AMD64, and it's definitely there (and with >> the same value as the i386 version). The code's there on 9.1, as is >> the manifest constant in param.h and it's still the same value. I >> haven't tried 9.2 yet. So what am I missing about i386? > > >The changed was merged into 9-stable in September 2012, 9.1 was >branched in August. Looking at the article ( http://blog.frankleonhardt.com/2011/large-swap-files-on-freebsd-die-with-mystery-killed-howto-add-lots-of-swap-space/ ) the default value of kern.maxswzone has also changed meaning. On r256683 I get: # sysctl kern.maxswzone kern.maxswzone: 0 # So I'm not sure, do I set this variable to the *total* swap size? Or to the excess, above the "maximum recommended amount" reported by dmesg? Thanks Anton
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