Date: Fri, 14 Nov 2008 02:19:37 +0000 From: "Kip Macy" <kmacy@freebsd.org> To: "Bruce Simpson" <bms@incunabulum.net> Cc: freebsd-stable@freebsd.org Subject: Re: kern.ipc.maxpipekva exceeded; see tuning(7) Message-ID: <3c1674c90811131819s199c836av33e51ebe131c1dcd@mail.gmail.com> In-Reply-To: <491C9E11.7040703@incunabulum.net> References: <491C9E11.7040703@incunabulum.net>
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I don't know off hand how you could end up with that many pipes. Nonetheless, sys_pipe.c has a good explanation of what that does and how pipe sizing works. -Kip On Thu, Nov 13, 2008 at 9:37 PM, Bruce Simpson <bms@incunabulum.net> wrote: > I just got lots and lots of this: > kern.ipc.maxpipekva exceeded; see tuning(7) > > However, tuning(7) on my system has no information about this tunable > whatsoever. > > anglepoise:~ % uname -a > FreeBSD anglepoise.lon.incunabulum.net 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE > #3: Tue Nov 4 15:40:44 GMT 2008 > root@anglepoise.lon.incunabulum.net:/home/obj/usr/src/sys/ANGLEPOISE7 amd64 > anglepoise:~ % sysctl kern.ipc.maxpipekva > kern.ipc.maxpipekva: 20971520 > > I was running a couple of copies of "synergys" at the time. After killing > them, all seems fine, however this was causing most binaries on the system > to error out with ENOMEM. > > Any ideas? > BMS > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > -- If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis
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