Date: Thu, 4 Dec 2008 11:31:37 +0100 From: Nick Hibma <nick@van-laarhoven.org> To: freebsd-hardware@freebsd.org Subject: Re: swap zone exhausted, increase kern.maxswzone Message-ID: <200812041131.37944.nick@van-laarhoven.org> In-Reply-To: <49377719.2020605@ccstores.com> References: <49377719.2020605@ccstores.com>
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100%|nick@hind:/sys-CURRENT % grep -r maxswzone .
./conf/NOTES:# 2. In /boot/loader.conf, set the tunables kern.maxswzone,
./kern/.svn/text-base/subr_param.c.svn-base:int
maxswzone; /* max swmeta KVA storage */
./kern/.svn/text-base/subr_param.c.svn-base:SYSCTL_INT(_kern, OID_AUTO,
maxswzone, CTLFLAG_RDTUN, &maxswzone, 0,
./kern/.svn/text-base/subr_param.c.svn-base: maxswzone =
VM_SWZONE_SIZE_MAX;
./kern/.svn/text-base/subr_param.c.svn-base:
TUNABLE_INT_FETCH("kern.maxswzone", &maxswzone);
./kern/subr_param.c:int maxswzone; /* max swmeta KVA
storage */
./kern/subr_param.c:SYSCTL_INT(_kern, OID_AUTO, maxswzone, CTLFLAG_RDTUN,
&maxswzone, 0,
./kern/subr_param.c: maxswzone = VM_SWZONE_SIZE_MAX;
./kern/subr_param.c: TUNABLE_INT_FETCH("kern.maxswzone", &maxswzone);
./boot/forth/.svn/text-base/loader.conf.svn-base:#kern.maxswzone=""
# Set the max swmeta KVA storage
./boot/forth/loader.conf:#kern.maxswzone="" # Set the max swmeta
KVA storage
./boot/common/.svn/text-base/loader.8.svn-base:.It Va kern.maxswzone
./boot/common/loader.8:.It Va kern.maxswzone
So:
It is a kenv var not a sysctl. It's default is VM_SWZONE_SIZE_MAX I think
and you can find more documentation in loader(8).
So type in
man loader
and off you go!
Nick
> "swap zone exhausted, increase kern.maxswzone"
>
> I encountered this today on FreeBSD 7.1B2
> With an HP DL165G5 dual quad-core AMD 64
> 8Gb ram .. 20Gb swap space
>
> Google doesn't bring up much more than similar inquiries
> in mid 2007, where the inquiry was met with "increase the value".
>
> I cannot find anywhere how to determine the existing value or how
> to alter it.
>
> When running "sysctl kern.maxswzone"
> I am greeted with sysctl: unknown oid 'kern.maxswzone'
>
> What am I doing wrong?
>
> TIA
> Jim Pazarena
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