Date: Mon, 22 Oct 2012 03:49:50 +1100 From: andrew clarke <mail@ozzmosis.com> To: Patrick Lamaiziere <patfbsd@davenulle.org> Cc: freebsd-questions@freebsd.org Subject: Re: how many memory is needed for FreeBSD 9 ? Message-ID: <20121021164950.GA65075@ozzmosis.com> In-Reply-To: <20121021182159.38d1113b@davenulle.org> References: <20121021182159.38d1113b@davenulle.org>
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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.
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