From owner-freebsd-current Wed May 23 1:28:40 2001 Delivered-To: freebsd-current@freebsd.org Received: from solaris.matti.ee (solaris.matti.ee [194.126.98.135]) by hub.freebsd.org (Postfix) with ESMTP id ECB7537B424 for ; Wed, 23 May 2001 01:28:37 -0700 (PDT) (envelope-from vallo@myhakas.matti.ee) Received: from myhakas.matti.ee (myhakas.matti.ee [194.126.114.87]) by solaris.matti.ee (Postfix) with ESMTP id 30FD22CFE9; Wed, 23 May 2001 10:28:31 +0200 (EET) Received: (from vallo@localhost) by myhakas.matti.ee (8.11.3/8.11.3) id f4N8RiM78548; Wed, 23 May 2001 10:27:44 +0200 (EET) (envelope-from vallo) Date: Wed, 23 May 2001 10:27:44 +0200 From: Vallo Kallaste To: Alex Zepeda Cc: Vallo Kallaste , current@FreeBSD.ORG Subject: Re: What's causing troubles with pcm? Message-ID: <20010523102744.A78465@myhakas.matti.ee> Reply-To: vallo@matti.ee References: <20010522161347.A54429@myhakas.matti.ee> <20010522162938.A43750@zippy.mybox.zip> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.14i-ja0 In-Reply-To: <20010522162938.A43750@zippy.mybox.zip>; from jazepeda@pacbell.net on Tue, May 22, 2001 at 04:29:39PM -0700 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, May 22, 2001 at 04:29:39PM -0700, Alex Zepeda wrote: > > Playing mp3's with mpg123 has been quite satistfactory until now. > > Today I've discovered that every execution of sync(8) distorts > > music by means of "stretching" musical phrase. > > The obvious answer would be to not run sync(8) :^) > > Likely, what you're seeing is the combo of the pcm driver being pretty > sensitive to other interrupt activity and the ata driver turning off write > caching by default. Probably not, because the sound file was on SCSI disk and I have WC turned on for both ATA disks I have. Sync(8) was only for demonstration purposes. -- Vallo Kallaste vallo@matti.ee To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message