From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754712Ab0IAJ5U (ORCPT ); Wed, 1 Sep 2010 05:57:20 -0400 Received: from smtp.witbe.net ([81.88.96.48]:60584 "EHLO smtp.witbe.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752767Ab0IAJ5T convert rfc822-to-8bit (ORCPT ); Wed, 1 Sep 2010 05:57:19 -0400 Date: Wed, 1 Sep 2010 11:55:07 +0200 From: Paul Rolland To: Pekka Enberg Cc: Linux Kernel Mailing List , Matt Mackall , Christoph Lameter , Dave Airlie Subject: Re: 2.6.36-rc2 : slabtop report 10170292 size-32 objects... Message-ID: <20100901115507.705fe5e4@tux.DEF.witbe.net> In-Reply-To: References: <20100901113525.04b356c5@tux.DEF.witbe.net> Organization: AS2917.net X-Mailer: Claws Mail 3.7.6 (GTK+ 2.20.1; x86_64-unknown-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Pekka, On Wed, 1 Sep 2010 12:41:59 +0300 Pekka Enberg wrote: > On Wed, Sep 1, 2010 at 12:35 PM, Paul Rolland wrote: > > I was surprised to see my machine using so much swap when I couldn't > > find where all the memory was gone, and I checked quickly what slabtop > > had to say, and found that one : > > > >  OBJS ACTIVE  USE OBJ SIZE  SLABS OBJ/SLAB CACHE SIZE NAME > > 10172288 10171996  99%    0.03K  90824      112    363296K size-32 > > > > Might be related to this: > > http://kerneltrap.org/mailarchive/linux-kernel/2010/8/25/4611329 Yes, considering that lspci also confirms my machine has some common points with Matt's one : [root@tux Archives]# lspci ... 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) and [root@tux Archives]# dmesg | grep drm [drm] Initialized drm 1.1.0 20060810 [drm] set up 31M of stolen space fbcon: inteldrmfb (fb0) is primary device fb0: inteldrmfb frame buffer device drm: registered panic notifier [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU idle, missed IRQ. [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU idle, missed IRQ. [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU idle, missed IRQ. [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 51 [drm:drm_edid_block_valid] *ERROR* Raw EDID: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU idle, missed IRQ. [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU idle, missed IRQ. [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU idle, missed IRQ. [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU idle, missed IRQ. Paul