From owner-freebsd-questions@FreeBSD.ORG Mon Oct 22 00:04:37 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8E1BAEC8 for ; Mon, 22 Oct 2012 00:04:37 +0000 (UTC) (envelope-from illoai@gmail.com) Received: from mail-ia0-f182.google.com (mail-ia0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id 4CE858FC0A for ; Mon, 22 Oct 2012 00:04:37 +0000 (UTC) Received: by mail-ia0-f182.google.com with SMTP id k10so2235656iag.13 for ; Sun, 21 Oct 2012 17:04:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=vW3lPhyenhUTXpf/vtajsxgA6G0dyXMm64/M/pcHxoo=; b=Dk6yZf7yCUNjTde+6RLYiwAZ7n0ZmcpAmRiVYlJf3YjAtqkV4tia+lL4RU7TG1Y6Tl xpJBzQmANURRyJyh4Ch+CKBoDIIl33IkvYLCWwk/O2F5b+r+pzi4pUGtsHqH9sgbSPb2 Vc9MoHx4ELA6XxexwIQcsvj6dn4M6QrAZK0UYK2t1RLO3Dz7YcfLG8+iHfJ3Lowu7UTh 8ueb6545KILe1iWwUHg6CAv7Itl84KqtNGLaceKhtFc8hVxJFCL/JebYdBhXltj3W7Xm 4tbkV0WTyT0UTSivFU3Xg4W4jS/fXf4mEK+hM/Djng9PQEIkoYNfoEF53aTUr0SljvKZ MmUQ== MIME-Version: 1.0 Received: by 10.42.32.74 with SMTP id c10mr6315339icd.36.1350864276658; Sun, 21 Oct 2012 17:04:36 -0700 (PDT) Received: by 10.64.30.11 with HTTP; Sun, 21 Oct 2012 17:04:36 -0700 (PDT) In-Reply-To: <20121021164950.GA65075@ozzmosis.com> References: <20121021182159.38d1113b@davenulle.org> <20121021164950.GA65075@ozzmosis.com> Date: Sun, 21 Oct 2012 20:04:36 -0400 Message-ID: Subject: Re: how many memory is needed for FreeBSD 9 ? From: "illoai@gmail.com" To: andrew clarke Content-Type: text/plain; charset=ISO-8859-1 Cc: Patrick Lamaiziere , freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Oct 2012 00:04:37 -0000 On 21 October 2012 12:49, andrew clarke 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. -- --