Date: Sat, 28 Feb 2009 21:10:01 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: Pete French <petefrench@ticketswitch.com> Cc: freebsd-stable@freebsd.org Subject: Re: vm_thread_new: kstack allocation failed with vm.kmem_size="1536M" Message-ID: <20090301031001.GB3465@dan.emsphone.com> In-Reply-To: <E1LdZOp-00085f-Vt@dilbert.ticketswitch.com> References: <20090228230127.GA3465@dan.emsphone.com> <E1LdZOp-00085f-Vt@dilbert.ticketswitch.com>
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In the last episode (Mar 01), Pete French said: > > You've probably reduced kmem_size from the default. I don't set > > anything on my 6 GB amd64 system, and I get: > > > > $ sysctl vm.kmem_size vm.kmem_size_max > > vm.kmem_size: 2061496320 > > vm.kmem_size_max: 3865468109 > > > > I assume your 16GB system would default to even larger numbers. What > > values do you get without forcing anything in loader.conf? > > Nope, I get 419430400 (i.e. 400M) on all the machines without anything > in loader.conf - what version of FreeBSD are you running to get those > numbers ? I thought that 1536M was the absolute maximum for kmem > in versions of FreeBSD before 8-CURRENT. I'm running 7-STABLE as of Feb 26 or so. Commit r187466 on Jan 20 bumped up kmem_size_max on amd64 to 3.6GB: http://svn.freebsd.org/viewvc/base?view=revision&revision=187466 -- Dan Nelson dnelson@allantgroup.com
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