From owner-freebsd-stable@FreeBSD.ORG Fri Oct 12 12:56:58 2007 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 073FC16A417 for ; Fri, 12 Oct 2007 12:56:58 +0000 (UTC) (envelope-from is@rambler-co.ru) Received: from relay0.rambler.ru (relay0.rambler.ru [81.19.66.187]) by mx1.freebsd.org (Postfix) with ESMTP id A7D3A13C45A for ; Fri, 12 Oct 2007 12:56:57 +0000 (UTC) (envelope-from is@rambler-co.ru) Received: from relay0.rambler.ru (localhost [127.0.0.1]) by relay0.rambler.ru (Postfix) with ESMTP id 6CF9881FD; Fri, 12 Oct 2007 16:56:56 +0400 (MSD) Received: from localhost (is1.park.rambler.ru [81.19.64.121]) by relay0.rambler.ru (Postfix) with ESMTP id 4B8C081F0; Fri, 12 Oct 2007 16:56:56 +0400 (MSD) Date: Fri, 12 Oct 2007 16:56:51 +0400 From: Igor Sysoev To: jfvogel@gmail.com Message-ID: <20071012125651.GC78201@rambler-co.ru> References: <20071012121545.GA78201@rambler-co.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: <20071012121545.GA78201@rambler-co.ru> User-Agent: Mutt/1.5.13 (2006-08-11) X-Virus-Scanned: No virus found Cc: freebsd-stable@freebsd.org Subject: Re: em driver 6.6.6 regression X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Oct 2007 12:56:58 -0000 On Fri, Oct 12, 2007 at 04:15:46PM +0400, Igor Sysoev wrote: > Yesterday I have cvsup'ed FreeBSD on ThinkPad T42 to RELENG_6 > "2007.10.10.23.59.59" and have noticed lags while playing mp3 and browsing. > I have suspected new em driver, because there was no lags if wifi iwi0 > was used instead of em0 for network. So I had downgraded the em driver > separately to 6.2.9 version, have build a kernel loadable module, and have > loaded it instead of the 6.6.6 module, and the lags have disappeared. > > The lags appeares only if browser (Firefox, Opera) does several requests: > main page, js, images. There are no lags if browser reload simple page. Sorry, now I have noticed that audio lags are possible even for single HTTP request/tiny 304 response if site is far from me. > Also, I could not reproduce lags by other network traffic: pings, ssh, scp, > downloading files. There are no lags if I compile and so on. > > Some additional info: > > The shared irq11 is used by pcm0, em0, iwi0, CardBus, USB, and acpi_video0. > > em0@pci2:1:0: class=0x020000 card=0x05491014 chip=0x101e8086 rev=0x03 hdr=0x00 > vendor = 'Intel Corporation' > device = '82540EP Gigabit Ethernet Controller (Mobile)' -- Igor Sysoev http://sysoev.ru/en/