From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752091Ab2DIQl4 (ORCPT ); Mon, 9 Apr 2012 12:41:56 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:64818 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750886Ab2DIQlz (ORCPT ); Mon, 9 Apr 2012 12:41:55 -0400 Message-ID: <4F83114E.30106@openvz.org> Date: Mon, 09 Apr 2012 20:41:50 +0400 From: Konstantin Khlebnikov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.2) Gecko/20120217 Firefox/10.0.2 Iceape/2.7.2 MIME-Version: 1.0 To: Markus Trippelsdorf CC: "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Hugh Dickins Subject: Re: v3.4 BUG: Bad rss-counter state References: <20120408113925.GA292@x4> <20120409055814.GA292@x4> In-Reply-To: <20120409055814.GA292@x4> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Markus Trippelsdorf wrote: > On 2012.04.08 at 13:39 +0200, Markus Trippelsdorf wrote: >> I've hit the following warning after I've tried to link Firofox's libxul >> with "-flto -lto-partition=none" on my machine with 8GB memory. I've >> killed the process after it used all the memory and 90% of my swap >> space. Before the machine was rebooted I saw these messages: >> >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020813c380 idx:1 val:-1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020813c380 idx:2 val:1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88021503bb80 idx:1 val:-1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff8801fb643b80 idx:1 val:-1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff8801fb643b80 idx:2 val:1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88021503bb80 idx:2 val:1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020a4ff800 idx:1 val:-1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020a4ff800 idx:2 val:1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020813ce00 idx:1 val:-1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020813ce00 idx:2 val:1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff8801fadda680 idx:1 val:-1 >> Apr 8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff8801fadda680 idx:2 val:1 > > BTW, I'm not the only one that sees these messages. Here are two more > reports from Ubuntu beta testers: > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/963672 > BUG: Bad rss-counter state mm:ffff88022107fb80 idx:1 val:-14 > BUG: Bad rss-counter state mm:ffff88022107fb80 idx:2 val:14 > > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/965709 > BUG: Bad rss-counter state mm:c8fd9dc0 idx:1 val:-2 > BUG: Bad rss-counter state mm:c8fd9dc0 idx:2 val:2 > usb 5-1: USB disconnect, device number 2 > usb 5-1: new low-speed USB device number 3 using uhci_hcd > input: Mega World Thrustmaster dual analog 3.2 as > /devices/pci0000:00/0000:00:1d.0/usb5/5-1/5-1:1.0/input/input13 > generic-usb 0003:044F:B315.0004: input,hidraw1: USB HID v1.10 Gamepad > [Mega World Thrustmaster dual analog 3.2] on usb-0000:00:1d.0-1/input0 > BUG: Bad rss-counter state mm:c8fd9dc0 idx:1 val:-2 > BUG: Bad rss-counter state mm:c8fd9dc0 idx:2 val:2 > BUG: Bad rss-counter state mm:dea3cc40 idx:1 val:-1 > BUG: Bad rss-counter state mm:dea3cc40 idx:2 val:1 > > The pattern seem to be: > ... idx:1 val:-x > ... idx:2 val:x > for x=1,2,14 > Ok, thanks. I'll try to figure out how this is happened.