From owner-freebsd-stable@FreeBSD.ORG Thu Nov 22 09:22:14 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A3EA7A79 for ; Thu, 22 Nov 2012 09:22:14 +0000 (UTC) (envelope-from ronald-freebsd8@klop.yi.org) Received: from smarthost1.greenhost.nl (smarthost1.greenhost.nl [195.190.28.78]) by mx1.freebsd.org (Postfix) with ESMTP id 1CC448FC14 for ; Thu, 22 Nov 2012 09:22:13 +0000 (UTC) Received: from smtp.greenhost.nl ([213.108.104.138]) by smarthost1.greenhost.nl with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1TbSz3-0007OB-16 for freebsd-stable@freebsd.org; Thu, 22 Nov 2012 10:22:10 +0100 Received: from [81.21.138.17] (helo=ronaldradial.versatec.local) by smtp.greenhost.nl with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1TbSz2-0001jt-M1 for freebsd-stable@freebsd.org; Thu, 22 Nov 2012 10:22:08 +0100 Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes To: freebsd-stable@freebsd.org Subject: Re: Increasing the DMESG buffer.... References: <50ACA59D.3080809@digiware.nl> <20121121101411.GG4535@server.rulingia.com> <50ACD522.7000706@digiware.nl> <50ACEE5B.8000901@FreeBSD.org> <50ACF891.4050105@digiware.nl> <1353513692.69940.7.camel@revolution.hippie.lan> <50ACFC6C.8070506@FreeBSD.org> <20121122040251.G21191@sola.nimnet.asn.au> <50AD0E82.3070706@digiware.nl> <20121121194142.8c4bf7d1977f13801a021ccc@getmail.no> <20121122144400.M21191@sola.nimnet.asn.au> Date: Thu, 22 Nov 2012 10:22:10 +0100 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Ronald Klop" Message-ID: In-Reply-To: User-Agent: Opera Mail/12.11 (Win32) X-Virus-Scanned: by clamav at smarthost1.samage.net X-Spam-Level: / X-Spam-Score: 0.8 X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50 autolearn=disabled version=3.3.1 X-Scan-Signature: 9090f8a1960d7f777b94d17b6f36e747 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Nov 2012 09:22:14 -0000 On Thu, 22 Nov 2012 08:12:17 +0100, Adrian Chadd wrote: > On 21 November 2012 20:16, Ian Smith wrote: >> On Wed, 21 Nov 2012 12:08:42 -0800, Adrian Chadd wrote: >> > .. because some of us like kernel behaviour to be predictable and >> > controllable, rather than 'just be dynamic here, what could possibly >> > go wrong.' >> > >> > Just bump the default kernel buffer size up to 64k and leave it >> > hard-coded like that. Us embedded people can drop that down to >> > something smaller. >> > >> > There. Problem solved, right? >> >> Well maybe, but I still tend to take Andriy's point about snd_hda. For >> example, Lars Engels posted several verbose dmesgs the other day, not to >> do with sound, one of which was: >> http://bsd-geek.de/FreeBSD/T61_dmesg.boot.10.works >> >> T61_dmesg.boot.10.works (file 1 of 2) lines 1813-1861/1861 byte >> 82415/82415 >> >> Cutting just the hdaa0, pcm0 and pcm1 stuff results in: >> >> hda_pcm.verbose (file 2 of 2) lines 712-760/760 byte 28531/28531 > > Is there a way to extract this topology information out of the driver > without putting it in the verbose output? > > Adrian Maybe via /dev/sndstat. See hw.snd.verbose in sound(4). An additional level 5 for super verbose information? Ronald.