From owner-freebsd-hackers@FreeBSD.ORG Sat Dec 15 17:22:06 2007 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DF8B916A417; Sat, 15 Dec 2007 17:22:06 +0000 (UTC) (envelope-from lolo@troll.free.org) Received: from troll.free.org (troll.free.org [88.191.252.140]) by mx1.freebsd.org (Postfix) with ESMTP id 9ECCC13C442; Sat, 15 Dec 2007 17:22:06 +0000 (UTC) (envelope-from lolo@troll.free.org) Received: by troll.free.org (Postfix, from userid 500) id C42FCE693C; Sat, 15 Dec 2007 18:05:24 +0100 (CET) Date: Sat, 15 Dec 2007 18:05:24 +0100 From: Laurent Frigault To: freebsd-hackers@freebsd.org, freebsd-stable@freebsd.org, freebsd-hardware@freebsd.org Message-ID: <20071215170524.GA94231@troll.free.org> References: <20071210164719.GA97514@obelix.bergerie.agneau.org> <20071214092022.GA20666@proxy.netroad.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20071214092022.GA20666@proxy.netroad.ru> User-Agent: Mutt/1.4.2.3i X-Powered-By: UUCP Cc: Subject: Re: major bge(4) performance problem X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 15 Dec 2007 17:22:07 -0000 On Fri, Dec 14, 2007 at 12:20:22PM +0300, Lenar Tukhvatullin wrote: > > We are experiencing a problem with BCM5721 bge interfaces, which seems to > > be able to receive at almost 1Gbps but can only transmit at < 540Mbps. > Hello, can you test patch from Igor Sysoev with recommended tunables? > http://lists.freebsd.org/pipermail/freebsd-net/2007-November/015951.html > > Also comments from Bruce Evans: > http://lists.freebsd.org/pipermail/freebsd-net/2007-November/015954.html > > I have same problem with bge, but currently can't > test this patch on production system. I apply those patches (edited version) on our test server (7.0BETA4). Unfortunately, it does not seems to change anything about our transmit performance problem. I tried to play with the new sysctls, but without any knowlegde on the driver internal, I did not see any noticeable improvement and our FreeBSD mirror project remains stalled. Regards, -- Laurent Frigault | Free.org