Date: Sun, 21 Oct 2012 20:04:36 -0400 From: "illoai@gmail.com" <illoai@gmail.com> To: andrew clarke <mail@ozzmosis.com> Cc: Patrick Lamaiziere <patfbsd@davenulle.org>, freebsd-questions@freebsd.org Subject: Re: how many memory is needed for FreeBSD 9 ? Message-ID: <CAHHBGko8iqkhmB5YDEB1JijTySaWnpgAdxSsueSAsYLdr_=SqA@mail.gmail.com> In-Reply-To: <20121021164950.GA65075@ozzmosis.com> References: <20121021182159.38d1113b@davenulle.org> <20121021164950.GA65075@ozzmosis.com>
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On 21 October 2012 12:49, andrew clarke <mail@ozzmosis.com> wrote: > On Sun 2012-10-21 18:21:59 UTC+0200, Patrick Lamaiziere (patfbsd@davenulle.org) wrote: > >> I'm updating an old laptop running FreeBSD 8.1 with 64 MB ram (44MB >> available) but now FreeBSD 9.1 panics at boot time: >> >> panic: kmem_malloc(4194304): kmem_map too small: 24584192 allocated? > > That's one very old laptop. I think you'll need to install more memory > or downgrade FreeBSD to an earlier version. > > 9.1-RELEASE isn't available yet, only 9.1-RC1 & RC2. Given it's > prerelease code it's plausible the 9.1-RC2 kernel requires more memory > at boot than 9.1-REL will. Attempting to boot 9.0-REL from CD on your > laptop should answer that question. > > From my limited testing under VirtualBox, 96 MB RAM is about the lower > limit that will allow FreeBSD 9.1-RC2 to boot before the swap > partition is enabled. Any less and the kernel will freeze or panic at > boot. This was with the amd64 version though, not i386. Keep in mind that the installer will take some memory on top of what is needed to boot FreeBSD. -- --
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