From owner-freebsd-arm@FreeBSD.ORG Sat Aug 10 14:50:38 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id B33DCCF5 for ; Sat, 10 Aug 2013 14:50:38 +0000 (UTC) (envelope-from zbb@semihalf.com) Received: from mail-qe0-f49.google.com (mail-qe0-f49.google.com [209.85.128.49]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 73CDE2058 for ; Sat, 10 Aug 2013 14:50:37 +0000 (UTC) Received: by mail-qe0-f49.google.com with SMTP id 1so2855868qec.36 for ; Sat, 10 Aug 2013 07:50:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=IbUP1fkntR7AfwgwMlDJ7TiZtG5QWFoOrkbYiOq05rQ=; b=KYA+hWzjSarEWuGtUOY0sLEXF6xHK94isc2Qm87U4hFVGyVpVvShQmOvmXSJZuKc4/ dWPbXJyW5VvXt5Td2Ke7IpQJxiN52xZT9npM7qSqlA86obvNjBe3ObLKgTq4mjihix4o f4rtzd+9GHWB4WYpAHh+nCZ7xi2cmSCF5zHYNXNbb0ema8PoL8tvNVxj0iVOysAWp1q3 dUVzwu+JNxmBN3A1CxqzKgNf8WYaS4TzPlAz16qXNPMs6GsM/YsG/BPxwKceArFQ0v3m gxYuxalz3hT8yOAipQ8X9oUhDBTVcy/Ybe5fcMil7jPhPoGDUArg9KoDrciVn2OkiFKz GX9Q== X-Gm-Message-State: ALoCoQmRLrlwOYQDdIbvNuv9BPx7fhq6N+4XF8FL8n0Y+4qc126xVJvDsET7k7Pgr93nMbSv6qe3 MIME-Version: 1.0 X-Received: by 10.224.130.195 with SMTP id u3mr16219247qas.80.1376146236356; Sat, 10 Aug 2013 07:50:36 -0700 (PDT) Received: by 10.49.82.34 with HTTP; Sat, 10 Aug 2013 07:50:36 -0700 (PDT) In-Reply-To: <201308071544.r77FiwMK072982@svn.freebsd.org> References: <201308071544.r77FiwMK072982@svn.freebsd.org> Date: Sat, 10 Aug 2013 16:50:36 +0200 Message-ID: Subject: Re: svn commit: r254061 - head/sys/arm/arm From: Zbigniew Bodek To: Olivier Houchard Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: svn-src-all@freebsd.org, "freebsd-arm@freebsd.org" X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Aug 2013 14:50:38 -0000 2013/8/7 Olivier Houchard > Author: cognet > Date: Wed Aug 7 15:44:58 2013 > New Revision: 254061 > URL: http://svnweb.freebsd.org/changeset/base/254061 > > Log: > Don't bother trying to work around buffers which are not aligned on a > cache > line boundary. It has never been 100% correct, and it can't work on SMP, > because nothing prevents another core from accessing data from an > unrelated > buffer in the same cache line while we invalidated it. Just use bounce > pages > instead. > > Reviewed by: ian > Approved by: mux (mentor) (implicit) > > Modified: > head/sys/arm/arm/busdma_machdep-v6.c > > Hello Olivier, While continuing rebase of my work to the current HEAD I encountered another problem regarding the PCIe NIC this time. I'm using Realtek card and starting from this revision Rx buffers cannot be allocated for my device. Please check out the message below: ----------------------------------------------------------------------------------- root@:~ # dhclient re0 re0: no memory for RX buffers re0: no memory for RX buffers DHCPREQUEST on re0 to 255.255.255.255 port 67 Aug 5 20:18:52 dhclient[898]: send_packet: Network is down ----------------------------------------------------------------------------------- Best regards Zbyszek Bodek