From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dkim2.fusionio.com ([66.114.96.54]:35622 "EHLO dkim2.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751613Ab3JHBvr (ORCPT ); Mon, 7 Oct 2013 21:51:47 -0400 Received: from mx2.fusionio.com (unknown [10.101.1.160]) by dkim2.fusionio.com (Postfix) with ESMTP id 34E1C9A0681 for ; Mon, 7 Oct 2013 19:51:47 -0600 (MDT) Date: Mon, 7 Oct 2013 21:51:45 -0400 From: Josef Bacik To: Jan Killius CC: Subject: Re: kernel BUG at mm/page-writeback.c:2317! Message-ID: <20131008015145.GB16461@localhost.localdomain> References: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Tue, Oct 08, 2013 at 12:36:11AM +0200, Jan Killius wrote: > Hello, > I'm hitting similar bug with the patch from Lui Bo. > But If I revert: 573aecafca1cf7a974231b759197a1aebcf39c2a, > Btrfs: actually limit the size of delalloc range) everything works fine. > > Here are the 2 backtraces from my machines with 3.12-rc4: > http://imgur.com/sVkjGK6,mWUtzMV#0 > http://imgur.com/sVkjGK6,mWUtzMV#1 > > Sorry for the screenshots but It was the only way to capture the backtraces. > I get the bug at the end of a 2GB scp transfer almost everytime. Well that's just a bummer. Let me try and see if I can work out what is going on here. Thanks, Josef