Date: Sat, 22 Sep 2007 23:37:37 +0200 From: Kris Kennaway <kris@FreeBSD.org> To: Darren Reed <darrenr@freebsd.org> Cc: freebsd-current@freebsd.org, Larry Rosenman <ler@lerctr.org> Subject: Re: panic: kmem_malloc(131072): kmem_map too small (AMD64) Message-ID: <46F58B21.8030307@FreeBSD.org> In-Reply-To: <46F58799.1030702@freebsd.org> References: <20070921102946.T11189@borg> <46F415BF.9010500@FreeBSD.org> <20070921140550.D96923@thebighonker.lerctr.org> <46F41CFF.6080108@FreeBSD.org> <46F58799.1030702@freebsd.org>
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Darren Reed wrote: > Kris Kennaway wrote: >> Larry Rosenman wrote: >>> On Fri, 21 Sep 2007, Kris Kennaway wrote: >>> >>>> Larry Rosenman wrote: >>>>> I'm a heavy ZFS user, and got the following panic on 2007-09-18 >>>>> source/world: >>>> >>>> This is a FAQ, please see the archives (you need to increase the >>>> vm.kmem_size to provide more memory to ZFS). >>> >>> I thought that was only for i386, and it hadn't been an issue before. >> >> Nope. It is also load-dependent. > > So I just received this courtesy of ZFS: > panic: kmem_malloc(131072): kmem_map too small: 343027712 total allocated > cpuid = 0 > KDB: enter: panic > > This was with these settings in loader.conf: > vm.kmem_size=419430400 > vm.kmem_size_max=419430400 > vfs.zfs.arc_max=409715200 > > (That's 400M, 400M and 40M, respectively.) > > Stupid question, perhaps, but is vm.kmem_size/vm.kmem_size_max limited > by physical RAM? Yes. Kris
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