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 oBH0LFan156422 for ; Thu, 16 Dec 2010 18:21:17 -0600 Received: from bombadil.infradead.org (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id ECAB21CD2D19 for ; Thu, 16 Dec 2010 16:23:09 -0800 (PST) Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) by cuda.sgi.com with ESMTP id NBXFhIGr6bN3d1Yf for ; Thu, 16 Dec 2010 16:23:09 -0800 (PST) Date: Thu, 16 Dec 2010 19:23:07 -0500 From: Christoph Hellwig Subject: Re: [PATCH 5/9] xfs: reduce the number of AIL push wakeups Message-ID: <20101217002307.GA24135@infradead.org> References: <1292214743-18073-1-git-send-email-david@fromorbit.com> <1292214743-18073-6-git-send-email-david@fromorbit.com> <20101216153846.GC24185@infradead.org> <20101216215050.GA5193@dastard> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20101216215050.GA5193@dastard> 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: Dave Chinner Cc: Christoph Hellwig , xfs@oss.sgi.com On Fri, Dec 17, 2010 at 08:50:50AM +1100, Dave Chinner wrote: > What tests? I couldn't really see a pattern yet - it's different ones and different amount of warnings during each run. > So this is saying is that a 20ms uninterruptible sleep lasting for more > than 120s? Doesn't that imply some kind of scheduler starvation, not > an actual XFS problem? It does for sure look odd to me. I'll do a sub-commit bisect between the two hunk in the patch tomorrow to drill a bit deeper into what's going on. _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs