Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756403AbZDHIXM (ORCPT ); Wed, 8 Apr 2009 04:23:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763605AbZDHIR1 (ORCPT ); Wed, 8 Apr 2009 04:17:27 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:48126 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761466AbZDHIRZ (ORCPT ); Wed, 8 Apr 2009 04:17:25 -0400 Date: Wed, 8 Apr 2009 10:17:11 +0200 From: Ingo Molnar To: Arkadiusz Miskiewicz Cc: "Pallipadi, Venkatesh" , "Siddha, Suresh B" , "linux-kernel@vger.kernel.org" , Jesse Barnes Subject: Re: 2.6.29 git master and PAT problems Message-ID: <20090408081711.GA4938@elte.hu> References: <200903302317.04515.a.miskiewicz@gmail.com> <200904071112.28949.a.miskiewicz@gmail.com> <20090408013008.GA6696@linux-os.sc.intel.com> <200904080928.34580.a.miskiewicz@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200904080928.34580.a.miskiewicz@gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: 0.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.5 required=5.9 tests=BAYES_00,URIBL_BLACK autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] 2.0 URIBL_BLACK Contains an URL listed in the URIBL blacklist [URIs: tremolous.net] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2069 Lines: 46 * Arkadiusz Miskiewicz wrote: > On Wednesday 08 of April 2009, Pallipadi, Venkatesh wrote: > > On Tue, Apr 07, 2009 at 02:12:28AM -0700, Arkadiusz Miskiewicz wrote: > > > On Tuesday 07 of April 2009, Pallipadi, Venkatesh wrote: > > > > On Thu, 2009-04-02 at 00:12 -0700, Arkadiusz Miskiewicz wrote: > > > > > > > > I was finally able to reproduce the problem of "freeing invalid > > > > memtype" with upstream git kernel (commit 0221c81b1b) + latest xf86 > > > > intel driver. But, with upstream + the patch I had sent you earlier in > > > > this thread (http://marc.info/?l=linux-kernel&m=123863345520617&w=2) I > > > > don't see those freeing invalid memtype errors anymore. > > > > > > > > Can you please double check with current git and that patch and let me > > > > know if you are still seeing the problem. > > > > > > Latest linus tree + that patch (it's really applied here), xserver 1.6, > > > libdrm from git master, intel driver from git master, previously mesa 7.4 > > > (and 7.5 snap currently), tremolous.net 1.1.0 game (tremolous-smp > > > binary), GM45 gpu. > > > > > > To reproduce I just need to run tremolous-smp and connect to some map. > > > When map finishes loading I instantly get: > [...] > > > OK. One more test patch below, applies over linus's git and you can ignore > > the earlier patch. The patch below should get rid of the problem and > > as it removes the track/untrack of vm_insert_pfn completely. This will > > also eliminate the overhead of hundreds or thousands of entries in > > pat_memtype_list. Can you please test it. > > With this patch I'm no longer able to reproduce problem. Thanks! Great, thanks! Venki, mind sending a patch with a proper changelog, Reported-by, Tested-by tags, with Nick and Andrew Cc:-ed for the memory.c bits, etc.? Ingo -- 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/