From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763859AbXE1XA1 (ORCPT ); Mon, 28 May 2007 19:00:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758897AbXE1XAP (ORCPT ); Mon, 28 May 2007 19:00:15 -0400 Received: from fmmailgate09.web.de ([217.72.192.184]:57763 "EHLO fmmailgate09.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758637AbXE1XAN (ORCPT ); Mon, 28 May 2007 19:00:13 -0400 Date: Tue, 29 May 2007 01:00:12 +0200 Message-Id: <18025041@web.de> MIME-Version: 1.0 From: Uwe Bugla To: linux-kernel@vger.kernel.org Subject: Re: b44: regression in 2.6.22 (resend) Organization: http://freemail.web.de/ X-Provags-Id: V01U2FsdGVkX19AOkBpUCmss5R83I+aIno1vBloXJy6Mnrf4TdNuaAGE/A2O Ipggf7ZyItFabKLgOTexcrTnbUh2929FrQbxJvpf/4MvhRFv1dMZgzm8XxWn w== Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2007-05-28 at 22:55 +0200, Maximilian Engelhardt wrote: > > > I additionally built my 2.6.22-rc2-mm1 kernel without High Resolution > > > Timer, but the high ping problem is still there. > > > > Hmm, that's mysterious. Wild guess is that highres exposes the hidden > > "feature" in a different way than rc2-mm1 does. > > I think the bug in 2.6.21/22-rc3 is a different one that the one in > 2.6.22-rc2-mm1, but that's also only a wild guess :) > > I'll explain this a bit: > In 2.6.21/22-rc3 is the same b44 driver that has been in the stock kernels for > some time. With this driver and High Resolution Timer turned on I get > problems using iperf. The problems are that the systems becomes really slow > and unresponsive. Michael Buesch thought this could be an IRQ storm which > sounds logical to me. This bug did never happen to me before I startet the > iperf test. Can you please apply http://www.tglx.de/projects/hrtimers/2.6.22-rc3/patch-2.6.22-rc3-hrt1.patch on top of rc3 and check, whether it has any effect on your problem. > The other issue happens only with 2.6.22-rc2-mm1 which includes the b44 ssb > spilt. It's independed wether High Resolution Timer is turned on or off I > always get very varying and high ping times. The iperf-test doesn't show the > problems from 2.6.21/22-rc3. Neither with nor without highres ? tglx Neither with nor without Gleixner ? Neither with nor without Buesch ? Neither with nor without Miller ? Neither with nor without Kyle ? Neither with nor without ........ ? Neither with nor without would-like-to-spare time hackers ? Neither with nor without profile neurotic would-like-to-copyright owners ? _______________________________________________________________ SMS schreiben mit WEB.DE FreeMail - einfach, schnell und kostenguenstig. Jetzt gleich testen! http://f.web.de/?mc=021192