From owner-freebsd-hackers@FreeBSD.ORG Thu Apr 16 19:18:42 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8F419106564A for ; Thu, 16 Apr 2009 19:18:42 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.terabit.net.ua (mail.terabit.net.ua [195.137.202.147]) by mx1.freebsd.org (Postfix) with ESMTP id 32ACC8FC13 for ; Thu, 16 Apr 2009 19:18:42 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from skuns.zoral.com.ua ([91.193.166.194] helo=mail.zoral.com.ua) by mail.terabit.net.ua with esmtps (TLSv1:AES256-SHA:256) (Exim 4.63 (FreeBSD)) (envelope-from ) id 1LuX6d-000JJ0-Kr; Thu, 16 Apr 2009 22:18:39 +0300 Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id n3GJIa68069755 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 16 Apr 2009 22:18:37 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3) with ESMTP id n3GJIaON074021; Thu, 16 Apr 2009 22:18:36 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3/Submit) id n3GJIaZ9074020; Thu, 16 Apr 2009 22:18:36 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 16 Apr 2009 22:18:36 +0300 From: Kostik Belousov To: Tim Kientzle Message-ID: <20090416191836.GW3014@deviant.kiev.zoral.com.ua> References: <49E74917.808@gmail.com> <20090416185354.4fa01e02@ernst.jennejohn.org> <49E76F4B.8010006@freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="kgRJX/VMeJk3ygiz" Content-Disposition: inline In-Reply-To: <49E76F4B.8010006@freebsd.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: ClamAV version 0.94.2, clamav-milter version 0.94.2 on skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua X-Virus-Scanned: mail.terabit.net.ua 1LuX6d-000JJ0-Kr 5f40427ebe31019a6ca75a2e05078845 X-Terabit: YES Cc: freebsd-hackers@freebsd.org Subject: Re: diagnosing freezes (DRI?) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Apr 2009 19:18:42 -0000 --kgRJX/VMeJk3ygiz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 16, 2009 at 10:47:55AM -0700, Tim Kientzle wrote: > Gary Jennejohn wrote: > >deeptech71@gmail.com wrote: > > > >>This kernel output really looks bad: > >>Wai > >>tSiynngc i(nmga xd is6k0s ,s evcnoonddess) rfeomra isnyisntge.m. .pr0o= =20 > >>cess `syncer' to stop...0 done > > > >I can't speak to the rest, but this is probably because you have SMP and > >don't have `options PRINTF_BUFR_SIZE=3D128' in your kernel config. >=20 > Is there any reason this shouldn't be the default? >=20 > This is becoming an increasingly common FAQ. The only reason I am aware of is that the buffer is allocated on the stack. 128 bytes is not so small for our kernel stacks. --kgRJX/VMeJk3ygiz Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAknnhIsACgkQC3+MBN1Mb4hufgCdFmUC9l1e0wVQ6beX/jBNrUoR w6wAnRNw8/XUAWwl5JwUjVEFHMvzl1di =8WFX -----END PGP SIGNATURE----- --kgRJX/VMeJk3ygiz--