Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757310Ab0FAUwW (ORCPT ); Tue, 1 Jun 2010 16:52:22 -0400 Received: from smtp-out.google.com ([74.125.121.35]:44955 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754453Ab0FAUwU (ORCPT ); Tue, 1 Jun 2010 16:52:20 -0400 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=date:from:x-x-sender:to:cc:subject:in-reply-to:message-id: references:user-agent:mime-version:content-type:x-system-of-record; b=GXjdmUjvKRQJQ61fyG599YHjfCu6Jnl2qqgr8lUMPGU2Qsy+UgLdYwIRGVGX+bhrU eAnUfOKGxatKB5nxbldCg== Date: Tue, 1 Jun 2010 13:52:13 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: dave b cc: Hugh Dickins , linux-kernel@vger.kernel.org, linux-mm@kvack.org, KOSAKI Motohiro Subject: Re: PROBLEM: oom killer and swap weirdness on 2.6.3* kernels In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1048 Lines: 22 On Thu, 27 May 2010, dave b wrote: > That was just a simple test case with dd. That test case might be > invalid - but it is trying to trigger out of memory - doing this any > other way still causes the problem. I note that playing with some bios > settings I was actually able to trigger what appeared to be graphics > corruption issues when I launched kde applications ... nothing shows > up in dmesg so this might just be a conflict between xorg and the > kernel with those bios settings... > > Anyway, This is no longer a 'problem' for me since I disabled > overcommit and altered the values for dirty_ratio and > dirty_background_ratio - and I cannot trigger it. > Disabling overcommit should always do it, but I'd be interested to know if restoring dirty_ratio to 40 would help your usecase. -- 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/