From owner-freebsd-doc@FreeBSD.ORG Sat Nov 16 20:31:51 2013 Return-Path: Delivered-To: freebsd-doc@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 1A7D5E7B; Sat, 16 Nov 2013 20:31:51 +0000 (UTC) Received: from mx1.scaleengine.net (beauharnois2.bhs1.scaleengine.net [142.4.218.15]) by mx1.freebsd.org (Postfix) with ESMTP id CCAA12413; Sat, 16 Nov 2013 20:31:49 +0000 (UTC) Received: from [10.1.1.1] (S01060001abad1dea.hm.shawcable.net [50.70.108.129]) (Authenticated sender: allan.jude@scaleengine.com) by mx1.scaleengine.net (Postfix) with ESMTPSA id D904A1E447; Sat, 16 Nov 2013 20:31:44 +0000 (UTC) Message-ID: <5287D632.4010802@allanjude.com> Date: Sat, 16 Nov 2013 15:31:46 -0500 From: Allan Jude User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: freebsd-current@freebsd.org, freebsd-doc@FreeBSD.org Subject: Re: Slow boot with 256GB of RAM? References: <5286F670.2050305@jrv.org> <5287071B.3020209@petermann-it.de> <528786C9.9070409@allanjude.com> <5287BB44.4020104@jrv.org> In-Reply-To: <5287BB44.4020104@jrv.org> X-Enigmail-Version: 1.6 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="2OV3aNrBgB8hMVDIugepxhdlE2rbebLNb" X-BeenThere: freebsd-doc@freebsd.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: Documentation project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Nov 2013 20:31:51 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --2OV3aNrBgB8hMVDIugepxhdlE2rbebLNb Content-Type: multipart/mixed; boundary="------------090003010603070205020704" This is a multi-part message in MIME format. --------------090003010603070205020704 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 2013-11-16 13:36, James R. Van Artsdalen wrote: > On 11/16/2013 8:52 AM, Allan Jude wrote: >> I see this was in the release notes for 9.0 and 8.3, but other than >> that, I don't see how anyone was supposed to find out about this.=20 >> Maybe it would make sense to print 'Starting memory test, set >> hw.memtest.test=3D0 to disable' before that starts, so anyone stuck >> waiting will have a hint about what to do.=20 A patch for the FAQ to add an entry about the hw.memtest.test=3D0 to spee= d up boot on machines with a lot of ram --=20 Allan Jude --------------090003010603070205020704 Content-Type: text/plain; charset=windows-1252; name="faq_memtest.patch" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="faq_memtest.patch" Index: en_US.ISO8859-1/books/faq/book.xml =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- en_US.ISO8859-1/books/faq/book.xml (revision 43198) +++ en_US.ISO8859-1/books/faq/book.xml (working copy) @@ -3669,6 +3669,26 @@ in &man.tunefs.8;. + + + + Why does &os; pause for a long time at boot when the + system has large amounts of ram? + + + + &os; does a short memory test early in the boot + process. This test usually only takes several seconds, + however if the system has many 10s or 100s of gigabytes + of memory it can take up to a few minutes. This test + can be disabled by setting the + hw.memtest.tests to + 0 in + /boot/loader.conf + + For more details, see &man.loader.conf.5;. + + =20 --------------090003010603070205020704-- --2OV3aNrBgB8hMVDIugepxhdlE2rbebLNb Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (MingW32) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJSh9Y1AAoJEJrBFpNRJZKfQFEP/2ynL3EFHhS2mW8zQZf97LVy drVVobsQlnPiJLfPwvM762g34TAKhxVHbzjTKjDgbo+xPOXBP9WDgjgkA/xPuLpU IG7F3pGHq+F1WBkvxNJJG4bebkozkvUmiPPFMz2B+VUQpymzDOvoxepogK0MDQRj 4h+NCNLiIKD3Kt5CA47q1B27xiPSd+dDBYoBcvqnQ7iu8X7uX9p83gOA/6MU09XR fawGfS8FYCwcjM4RVuQMucH7B0aWg0yXRlnsbiH+2A1rzUcnhok0pgRPR5wLp/Q2 Q701bZYyzGe7ymHKse7/HbBDCCNVVfg4lD5rgcbXPaHniDOvHGjkwBAh5g6OCsP8 c+M8VSGHeOVGCR0TYUdr2Gs1eYu4A5PJn4prZPsMifaWDY/UnMF7CR70/vQaNZqg 6ipqsJonzwuAvlidqoyP6mXv7nW5cjYnypyOaX5rV+wRW+zn/kWDtsuG5gmu4mls c2+cGgzVIjJXBWWUZxXWW95WdbBPzea0dmg7N7zcI4fuv9R2v4pWtBP97PBBlVvP TNexmWoZAXqPGPh8EufsIepOIzPmL1of82oBLlJNAqe44qkVedI1IenQxiOJ+oEy CqeRSFrirU51+S/lIb1JD5Yhi0G0lAfzd2axjlnKYhpBRHHmcMy6XqjRPo50yaLE 8zAFv/XBnSav9c1r+Ns2 =8XJt -----END PGP SIGNATURE----- --2OV3aNrBgB8hMVDIugepxhdlE2rbebLNb--