From owner-freebsd-current@FreeBSD.ORG Thu Nov 21 19:06:46 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2AC9E3B3 for ; Thu, 21 Nov 2013 19:06:46 +0000 (UTC) Received: from mail-qe0-x22b.google.com (mail-qe0-x22b.google.com [IPv6:2607:f8b0:400d:c02::22b]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id DE05B2D8C for ; Thu, 21 Nov 2013 19:06:45 +0000 (UTC) Received: by mail-qe0-f43.google.com with SMTP id 2so149782qeb.16 for ; Thu, 21 Nov 2013 11:06:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=qvsp2IluUVkFyLQ1iQS3W596koAHaOsh5XYG4Ps1qZU=; b=nZYzJccPFNFo03CJNN+odahc7Y7JMGW2xqNzJr33zmEvWBy6xTK6C+wIcFhxS0OLyB PBhYwKavw7D5Cnr/5aupJGR08Ukav9zyHeeWAjf4BpFu9pf1uiWXggrVNgnFjh/1bQXv Fs1iObVGbQFu2mVbNHNX+GVGyjbZ99kAgBfy8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=qvsp2IluUVkFyLQ1iQS3W596koAHaOsh5XYG4Ps1qZU=; b=lg838rcJqRboXE27ZAcXaLAsemMRpkM4KJeKOklRD0hyIG/vtVXLj/79u37fbAo2HK oLIYBPJR23KMZ7N6YzqhemrcVPn/38N+q32SjLGOCy3SNj8a5WPGqlhcRmbZcJHGA3M4 JqVMGzPdzm7/WGqEjRmJUxs1AB8XgN2PYgX+gohW+umZvsg51czhKhq8+hHaFHenoMrY XeJImc4MizWoBR1KKOO9djCSsAAfMtK9v8txCGmO7yeWzJblNbZRKuXADIaJGAaVZY9o LtWEW28pTevWXPHlzGlmcuLrE1I8+pK0EkeOAuD9M/iWmDYOj+9P9JnHpQei4e+UkhvF vMYw== X-Gm-Message-State: ALoCoQngs+zjunTH3atKuujrMrrdRurIPHSpP+EMHhY1xO+PHNugEt1QPD202ZU1EchLwzIa0jra X-Received: by 10.49.99.98 with SMTP id ep2mr14313136qeb.9.1385060804870; Thu, 21 Nov 2013 11:06:44 -0800 (PST) MIME-Version: 1.0 Received: by 10.96.63.101 with HTTP; Thu, 21 Nov 2013 11:06:14 -0800 (PST) In-Reply-To: References: <5286F670.2050305@jrv.org> <5287071B.3020209@petermann-it.de> <528786C9.9070409@allanjude.com> <5287BB44.4020104@jrv.org> <5287D632.4010802@allanjude.com> From: Eitan Adler Date: Thu, 21 Nov 2013 14:06:14 -0500 Message-ID: Subject: Re: Slow boot with 256GB of RAM? To: Ed Maste Content-Type: text/plain; charset=UTF-8 Cc: freebsd-current Current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Nov 2013 19:06:46 -0000 On Thu, Nov 21, 2013 at 12:42 PM, Ed Maste wrote: > The variable name is "hw.memtest.tests" as it's intended to be > extended to a bitmap of tests to run at boot, with other bits > representing more comprehensive tests. > > -Ed > > commit 58f501f70427ce2aeb9c8b18d2b7bec543818dae > Author: Ed Maste > Date: Thu Nov 21 12:31:06 2013 -0500 > > Disable amd64 boot time memory test by default > > The page presence memory test takes a long time on large memory systems > and has little value on contemporary amd64 hardware. This patch looks good to me. Please commit it. :)