Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753329Ab0FZPtR (ORCPT ); Sat, 26 Jun 2010 11:49:17 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:58415 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751945Ab0FZPtQ (ORCPT ); Sat, 26 Jun 2010 11:49:16 -0400 Message-ID: <4C26219F.3010206@colorfullife.com> Date: Sat, 26 Jun 2010 17:49:51 +0200 From: Manfred Spraul User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.10) Gecko/20100621 Fedora/3.0.5-1.fc13 Thunderbird/3.0.5 MIME-Version: 1.0 To: Luca Tettamanti CC: Christoph Lameter , linux-kernel@vger.kernel.org, Julia Lawall , Andrew Morton , maciej.rutecki@gmail.com Subject: Re: 2.6.35-rc3: System unresponsive under load References: <20100621200118.GA4021@nb-core2.darkstar.lan> <4C223657.3030507@colorfullife.com> <4C251AFF.70803@colorfullife.com> <4C2620F4.7030900@colorfullife.com> In-Reply-To: <4C2620F4.7030900@colorfullife.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1037 Lines: 33 Hi, On 06/26/2010 05:47 PM, Manfred Spraul wrote: > Hi Luca, > > On 06/26/2010 02:52 PM, Luca Tettamanti wrote: >> They don't seem really hung as before, I see two different behaviours: >> * Near the end of the run ab is frozen for a few seconds, but in the >> end all requests are processed; however I see a few "length" errors, >> meaning that the received page does not match the expected content >> (I'm testing a static page): >> > That's consistent with what I see: > If I run: > #./semtimedop 100 100& > #./semtimedop 100 100& > #./semtimedop 100 100& > #./semtimedop 100 100& > Sorry for the noise, but I forgot one important piece: The patch from http://marc.info/?l=linux-mm&m=127750107030238 must be applied - otherwise you'll just see errors due to IN_WAKEUP. -- Manfred -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/