From owner-freebsd-hackers@FreeBSD.ORG Wed Dec 17 14:10:30 2008 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 C912B1065672 for ; Wed, 17 Dec 2008 14:10:30 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.246]) by mx1.freebsd.org (Postfix) with ESMTP id 788548FC1B for ; Wed, 17 Dec 2008 14:10:29 +0000 (UTC) (envelope-from onemda@gmail.com) Received: by an-out-0708.google.com with SMTP id c2so1765245anc.13 for ; Wed, 17 Dec 2008 06:10:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=CB2CF1f84TJ5Cfx253JzM+F1hXEBw9BdRZwYiCxpvec=; b=Nh7rg2aRnuHPl0MDvAzvR8/2RCI+7mEQrUJF0qBKhCPRxoIr3qmlnUqZbAPsII18oR I/l68R/DzSAcXxVpGydBVYEERgmNRp9Hrky4+DY9P2WlILSRfINDxmhmrSPO1rUsQnh4 otvrQiGlnUVKTavh6NbAmPhN1pA8YVmk7lcYY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=f84m0WffXDOhkfC3u/Ha+37xPWmbeoBkjZVirKZbGvQrY8VJExokSq1D8NsyNKKQ7L at3RRCzL8wTSYvVVtTq+AWsq3/bicNXUe2oQCE96stj4vrSceIomfkYp5PIP73cFtpzW TKy9QuNRCZJXaOgP/GNvGBtSP8Yv55rK+qmJg= Received: by 10.231.10.140 with SMTP id p12mr7294ibp.13.1229523028526; Wed, 17 Dec 2008 06:10:28 -0800 (PST) Received: by 10.231.16.202 with HTTP; Wed, 17 Dec 2008 06:10:28 -0800 (PST) Message-ID: <3a142e750812170610r25a48762y845010c6898f52d4@mail.gmail.com> Date: Wed, 17 Dec 2008 15:10:28 +0100 From: "Paul B. Mahol" To: pluknet In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20081216134035.GU2038@deviant.kiev.zoral.com.ua> Cc: freebsd-hackers@freebsd.org Subject: Re: PRINTF_BUFR_SIZE in freebsd6 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: Wed, 17 Dec 2008 14:10:30 -0000 On 12/17/08, pluknet wrote: > 2008/12/17 pluknet : >> 2008/12/16 Kostik Belousov : >>> On Tue, Dec 16, 2008 at 03:23:28PM +0300, pluknet wrote: >>>> Hi. >>>> >>>> Could the PRINTF_BUFR_SIZE option be safely merged into RELENG_6 without >>>> merging a possible underlining infrastructure and breaking something >>>> else? >>>> I want to use it in my custom freebsd6 because I see "interspersed >>>> strings >>>> written from different CPUs at the same time": >>>> >>>> uuusseseerrvmrem: vlmivmeimtme :e mx:ceed eldi bly 2i89m68m (iihttt t >>>> pde) eaxtx cfcorke1 22e3e >>>> deded ebyd by28 296898 68(h t(tpdh) att ftorkp1 22d3 >>>> ) at fork1 223 >>>> >>>> I'm talking about only merging kern/subr_prf.c 1.126, 1.128, 1.129. >>>> >>>> Thanks. >>> >>> I did a backport of the option some time ago, see >>> http://people.freebsd.org/~kib/misc/releng_6_printf_bufr.3.patch >>> >> >> Thank you! >> >> 6.3 system panics (many page faults, one after another) early at boot >> without the option, and boots with it in the QEMU environment. >> Next step to test it on a real (and SMPable) hardware. >> > > Now tested on a real 2xXeon 3.0 w/ HTT enabled w/ PRINTF_BUFR_SIZE enabled. > > Received the following panic: And how big is PRINTF_BUFR_SIZE ? -- Paul