From owner-freebsd-multimedia@FreeBSD.ORG Wed Feb 28 22:02:12 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 8FF3716A400 for ; Wed, 28 Feb 2007 22:02:12 +0000 (UTC) (envelope-from usleepless@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.240]) by mx1.freebsd.org (Postfix) with ESMTP id 4EEE613C481 for ; Wed, 28 Feb 2007 22:02:12 +0000 (UTC) (envelope-from usleepless@gmail.com) Received: by an-out-0708.google.com with SMTP id c24so231795ana for ; Wed, 28 Feb 2007 14:02:11 -0800 (PST) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; 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; b=UWrkGOI5C0pHSNVGaGx83pJbaUwQdhnsHcYGm9Hv46MBkzU5DDTRYL6jfTAcIXt2gIk7u8Tj5zjYhSaFr2iEdL03AAi9MwVWFIf8BD6bRHgW51DOam6YjyJT6UC4x07IyBhc+LMduzVhsm3wEdIZz4aDNcbFCrS+UmFeh2gNNek= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=aGzhLiOwwpINF0c4GSHAAjSFlpBuKxzk5CWNtg+ENDnXgqM5O7p5x7zRpWlbyklbZdW94Iri2ldxAWKMuBR3GyUQXQb5zW/ytqZS4Ny4Q+Ht9Gsaf1NnXZAk9CwOiX1R9nEFORcbTpzNGgQwskNGMrloDj3YB+H3TcA3p/U4QgA= Received: by 10.114.198.1 with SMTP id v1mr179588waf.1172700128426; Wed, 28 Feb 2007 14:02:08 -0800 (PST) Received: by 10.114.199.18 with HTTP; Wed, 28 Feb 2007 14:02:08 -0800 (PST) Message-ID: Date: Wed, 28 Feb 2007 23:02:08 +0100 From: usleepless@gmail.com To: "Anders Troback" In-Reply-To: <20070228224223.5df7a556@devil.troback.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070228224223.5df7a556@devil.troback.com> Cc: FreeBSD Subject: Re: Cxm and dma... 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: Wed, 28 Feb 2007 22:02:12 -0000 Anders, On 2/28/07, Anders Troback wrote: > Hi, > > I'm running MythTV with a PVR-350 card (using pvrxxx). In "Live View" > the performance is bad. In /var/log/messages I've got lots of: > ...... > Feb 28 22:15:07 tv kernel: cxm0: encoder dma not already in progress > Feb 28 22:15:07 tv kernel: cxm0: encoder dma not enough buffer space > ..... > > My system is a 2.4 GHz Pentium with 515Mb RAM running on a FreeBSD 6.2. > > Any ideas out there? you can crank up CXM_SG_BUFFERS in cxm.h. try that. it is this low ( 16 ) at the moment because i had strange panics on 4.11 with 4 cards ( each claiming #CXM_SG_BUFFERs ). settings this to 16 solved the issue. regards, usleep