From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id 6454F6B003D for ; Fri, 27 Feb 2009 00:29:57 -0500 (EST) Date: Thu, 26 Feb 2009 21:29:18 -0800 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 12785] New: kswapd block the whole system by IO blaster in some case Message-Id: <20090226212918.fce45757.akpm@linux-foundation.org> In-Reply-To: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Rik van Riel , Lee Schermerhorn , KOSAKI Motohiro Cc: bugme-daemon@bugzilla.kernel.org, crackevil@gmail.com, linux-mm@kvack.org List-ID: (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). (uh-oh) On Thu, 26 Feb 2009 21:20:46 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=12785 > > Summary: kswapd block the whole system by IO blaster in some case > Product: Memory Management > Version: 2.5 > KernelVersion: 2.6.28.4 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: low > Priority: P1 > Component: Other > AssignedTo: akpm@osdl.org > ReportedBy: crackevil@gmail.com > > > Distribution:debian lenny with some experimental packages > Hardware Environment:ThinkPad SL 400 7DC with 2G memery > Software Environment:no swap partition,kernel with 4G memery support > Problem Description: > Some day, my box dived into a block while HDLED was blinking. > I switched to console from gdm, tried iotop by long waiting and found the > killer was kswapd. > In "top" output, free memory is almost 50M.The most memory is cached by swap. > The system blocked even shutdown command wasn't effective.The box had been > killed by pressing then power button. > BTW, there was no network available then, so there was no attack possibility. > > I'd like to attach my kernel config file, but I don't know how to.For someone > interesting, we may transfer the file my mail.crackevil@gmail.com > > ps:these experimental packages installed > > libdrm2_2.4.4+git+20090205+8b88036-1_i386.deb > libdrm-dev_2.4.4+git+20090205+8b88036-1_i386.deb > libdrm-intel1_2.4.4+git+20090205+8b88036-1_i386.deb > libdrm-nouveau1_2.4.4+git+20090205+8b88036-1_i386.deb > libgl1-mesa-dev_7.3-1_all.deb > libgl1-mesa-dri_7.3-1_i386.deb > libgl1-mesa-glx_7.3-1_i386.deb > libglu1-mesa_7.3-1_i386.deb > mesa-common-dev_7.3-1_all.deb > mesa-utils_7.3-1_i386.deb > xserver-common_2%3a1.5.99.902-1_all.deb > xserver-xorg-core_2%3a1.5.99.902-1_i386.deb > xkb-data_1.5-2_all.deb > > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org