From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q63E461q096376 for ; Tue, 3 Jul 2012 09:04:06 -0500 Received: from mail-we0-f181.google.com (mail-we0-f181.google.com [74.125.82.181]) by cuda.sgi.com with ESMTP id nDSEg2Y5hOXnjSRD (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 03 Jul 2012 07:04:05 -0700 (PDT) Received: by weyt57 with SMTP id t57so93959wey.26 for ; Tue, 03 Jul 2012 07:04:04 -0700 (PDT) Date: Tue, 3 Jul 2012 16:04:01 +0200 From: Daniel Vetter Subject: Re: [MMTests] IO metadata on XFS Message-ID: <20120703140401.GB5103@phenom.ffwll.local> References: <20120620113252.GE4011@suse.de> <20120629111932.GA14154@suse.de> <20120629112505.GF14154@suse.de> <20120701235458.GM19223@dastard> <20120702063226.GA32151@infradead.org> <20120702143215.GS14154@suse.de> <20120702193516.GX14154@suse.de> <20120703130414.GD14154@suse.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20120703130414.GD14154@suse.de> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Mel Gorman Cc: Keith Packard , Chris Wilson , Daniel Vetter , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, xfs@oss.sgi.com, Christoph Hellwig , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Eugeni Dodonov On Tue, Jul 03, 2012 at 02:04:14PM +0100, Mel Gorman wrote: > On Mon, Jul 02, 2012 at 08:35:16PM +0100, Mel Gorman wrote: > > > > > > > > It was obvious very quickly that there were two distinct regression so I > > ran two bisections. One led to a XFS and the other led to an i915 patch > > that enables RC6 to reduce power usage. > > > > [c999a223: xfs: introduce an allocation workqueue] > > [aa464191: drm/i915: enable plain RC6 on Sandy Bridge by default] > > > > gdm was running on the machine so i915 would have been in use. > > Bah, more PEBKAC. gdm was *not* running on this machine. i915 is loaded > but X is not. See my little explanation of rc6, just loading the driver will have effects. But I'm happy to know that the issue also happens without using it, makes it really unlikely it's an issue with the gpu or i915.ko ;-) -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [MMTests] IO metadata on XFS Date: Tue, 3 Jul 2012 16:04:01 +0200 Message-ID: <20120703140401.GB5103@phenom.ffwll.local> References: <20120620113252.GE4011@suse.de> <20120629111932.GA14154@suse.de> <20120629112505.GF14154@suse.de> <20120701235458.GM19223@dastard> <20120702063226.GA32151@infradead.org> <20120702143215.GS14154@suse.de> <20120702193516.GX14154@suse.de> <20120703130414.GD14154@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20120703130414.GD14154@suse.de> Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: Christoph Hellwig , Dave Chinner , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, dri-devel@lists.freedesktop.org, Keith Packard , Eugeni Dodonov , Daniel Vetter , Chris Wilson List-Id: dri-devel@lists.freedesktop.org On Tue, Jul 03, 2012 at 02:04:14PM +0100, Mel Gorman wrote: > On Mon, Jul 02, 2012 at 08:35:16PM +0100, Mel Gorman wrote: > > > > > > > > It was obvious very quickly that there were two distinct regression so I > > ran two bisections. One led to a XFS and the other led to an i915 patch > > that enables RC6 to reduce power usage. > > > > [c999a223: xfs: introduce an allocation workqueue] > > [aa464191: drm/i915: enable plain RC6 on Sandy Bridge by default] > > > > gdm was running on the machine so i915 would have been in use. > > Bah, more PEBKAC. gdm was *not* running on this machine. i915 is loaded > but X is not. See my little explanation of rc6, just loading the driver will have effects. But I'm happy to know that the issue also happens without using it, makes it really unlikely it's an issue with the gpu or i915.ko ;-) -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754966Ab2GCOEH (ORCPT ); Tue, 3 Jul 2012 10:04:07 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:59945 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752636Ab2GCOEF (ORCPT ); Tue, 3 Jul 2012 10:04:05 -0400 Date: Tue, 3 Jul 2012 16:04:01 +0200 From: Daniel Vetter To: Mel Gorman Cc: Christoph Hellwig , Dave Chinner , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, dri-devel@lists.freedesktop.org, Keith Packard , Eugeni Dodonov , Daniel Vetter , Chris Wilson Subject: Re: [MMTests] IO metadata on XFS Message-ID: <20120703140401.GB5103@phenom.ffwll.local> Mail-Followup-To: Mel Gorman , Christoph Hellwig , Dave Chinner , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, dri-devel@lists.freedesktop.org, Keith Packard , Eugeni Dodonov , Chris Wilson References: <20120620113252.GE4011@suse.de> <20120629111932.GA14154@suse.de> <20120629112505.GF14154@suse.de> <20120701235458.GM19223@dastard> <20120702063226.GA32151@infradead.org> <20120702143215.GS14154@suse.de> <20120702193516.GX14154@suse.de> <20120703130414.GD14154@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120703130414.GD14154@suse.de> X-Operating-System: Linux phenom 3.4.0-rc3+ User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 03, 2012 at 02:04:14PM +0100, Mel Gorman wrote: > On Mon, Jul 02, 2012 at 08:35:16PM +0100, Mel Gorman wrote: > > > > > > > > It was obvious very quickly that there were two distinct regression so I > > ran two bisections. One led to a XFS and the other led to an i915 patch > > that enables RC6 to reduce power usage. > > > > [c999a223: xfs: introduce an allocation workqueue] > > [aa464191: drm/i915: enable plain RC6 on Sandy Bridge by default] > > > > gdm was running on the machine so i915 would have been in use. > > Bah, more PEBKAC. gdm was *not* running on this machine. i915 is loaded > but X is not. See my little explanation of rc6, just loading the driver will have effects. But I'm happy to know that the issue also happens without using it, makes it really unlikely it's an issue with the gpu or i915.ko ;-) -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48