Date: Sat, 22 Sep 2007 14:22:33 -0700 From: Darren Reed <darrenr@freebsd.org> To: Kris Kennaway <kris@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: <46F58799.1030702@freebsd.org> In-Reply-To: <46F41CFF.6080108@FreeBSD.org> References: <20070921102946.T11189@borg> <46F415BF.9010500@FreeBSD.org> <20070921140550.D96923@thebighonker.lerctr.org> <46F41CFF.6080108@FreeBSD.org>
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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? Darren
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