From owner-freebsd-multimedia@FreeBSD.ORG Tue May 29 06:39:55 2007 Return-Path: X-Original-To: freebsd-multimedia@freebsd.org Delivered-To: freebsd-multimedia@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7205216A49E for ; Tue, 29 May 2007 06:39:55 +0000 (UTC) (envelope-from freebsd@meijome.net) Received: from sigma.octantis.com.au (ns2.octantis.com.au [207.44.189.124]) by mx1.freebsd.org (Postfix) with ESMTP id 258CE13C447 for ; Tue, 29 May 2007 06:39:54 +0000 (UTC) (envelope-from freebsd@meijome.net) Received: (qmail 15118 invoked from network); 29 May 2007 16:39:54 +1000 Received: from 210-84-60-60.dyn.iinet.net.au (HELO localhost) (210.84.60.60) by sigma.octantis.com.au with (DHE-RSA-AES256-SHA encrypted) SMTP; 29 May 2007 16:39:54 +1000 Date: Tue, 29 May 2007 16:39:49 +1000 From: Norberto Meijome To: Ariff Abdullah Message-ID: <20070529163949.091c340f@localhost> In-Reply-To: <20070529131503.3b70a8e2.ariff@FreeBSD.org> References: <20070529134158.7b221ae2@localhost> <20070529131503.3b70a8e2.ariff@FreeBSD.org> X-Mailer: Claws Mail 2.9.1 (GTK+ 2.10.12; i386-portbld-freebsd6.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-multimedia@freebsd.org Subject: Re: [snd_hda] Choppiness under high cpu - STABLE X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 May 2007 06:39:55 -0000 On Tue, 29 May 2007 13:15:03 +0800 Ariff Abdullah wrote: > Those binary modules are actually sources from -current + future fixes > which not easily MFCable. The specific snd_hda driver itself pretty > much simmilar, but the other part especially buffering and latency > improvements are quite different. There is no simple solution for this > except to keep using those binary modules, or appplying patch from the > "usuall" place. I see - I imagined it had something to do with that - I now remember some older version of the code (as provided by you) that had the same issues. > > Anyway, you can try adjusting buffer size > with "hint.pcm.0.buffersize" . Start with 4096, 8192, 16384, etc.. Use > either kenv(8) and reload, or slap it into /boot/device.hints and > reboot. Thanks, I'll have a play and inform back :) cheers, _________________________ {Beto|Norberto|Numard} Meijome "So limp of brain that for them to conceive an idea is to risk a haemorrhage. So limp of body that their purple dresses appear no more a dixative of housing nerves and sinews than when they hang suspended from their hooks" Mervin Peake, "Gormenghast", chap. 2, on the Earl's twin sisters I speak for myself, not my employer. Contents may be hot. Slippery when wet. Reading disclaimers makes you go blind. Writing them is worse. You have been Warned.