From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752170Ab2DIF6S (ORCPT ); Mon, 9 Apr 2012 01:58:18 -0400 Received: from ud10.udmedia.de ([194.117.254.50]:53948 "EHLO mail.ud10.udmedia.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751352Ab2DIF6R (ORCPT ); Mon, 9 Apr 2012 01:58:17 -0400 Date: Mon, 9 Apr 2012 07:58:14 +0200 From: Markus Trippelsdorf To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Konstantin Khlebnikov , Hugh Dickins Subject: Re: BUG: Bad rss-counter state Message-ID: <20120409055814.GA292@x4> References: <20120408113925.GA292@x4> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120408113925.GA292@x4> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- Markus