From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dkim2.fusionio.com ([66.114.96.54]:57175 "EHLO dkim2.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757844Ab3BKQF1 (ORCPT ); Mon, 11 Feb 2013 11:05:27 -0500 Received: from mx1.fusionio.com (unknown [10.101.1.160]) by dkim2.fusionio.com (Postfix) with ESMTP id DFED49A041E for ; Mon, 11 Feb 2013 09:05:26 -0700 (MST) Date: Mon, 11 Feb 2013 11:05:24 -0500 From: Josef Bacik To: Florian Hofmann CC: cwillu , Josef Bacik , "linux-btrfs@vger.kernel.org" Subject: Re: Fwd: Current State of BTRFS Message-ID: <20130211160524.GA2611@localhost.localdomain> References: <20130208213745.GC10931@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Fri, Feb 08, 2013 at 04:12:17PM -0700, Florian Hofmann wrote: > I ran it as root. The first times there was no output whatsoever. This > time triggering gave the SysRq : Show Blocked State line. Strange > Well that's weird, it looks like you don't have any blocked tasks, so either sysrq+w is screwing up or you are getting stuck in something CPU intensive. Try doing sysrq+w next time it happens again and also run top and see if something is using up 100% of the CPU. If it's something chewing up CPU then I'll tell you how to figure out what's going on. Thanks, Josef