From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dkim1.fusionio.com ([66.114.96.53]:60741 "EHLO dkim1.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756299Ab3EAS5F (ORCPT ); Wed, 1 May 2013 14:57:05 -0400 Received: from mx1.fusionio.com (unknown [10.101.1.160]) by dkim1.fusionio.com (Postfix) with ESMTP id 46F947C042F for ; Wed, 1 May 2013 12:57:04 -0600 (MDT) Date: Wed, 1 May 2013 14:57:01 -0400 From: Josef Bacik To: Alexander Skwar CC: Josef Bacik , "linux-btrfs@vger.kernel.org" Subject: Re: WARNING: at fs/btrfs/free-space-cache.c:921 __btrfs_write_out_cache+0x6b9/0x9a0 [btrfs]() Message-ID: <20130501185701.GA12414@localhost.localdomain> References: <20130430094131.GA8274@carfax.org.uk> <20130430135816.GD2580@localhost.localdomain> <20130430175351.GF2580@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 Wed, May 01, 2013 at 12:39:47AM -0600, Alexander Skwar wrote: > Hello Josef > > On Tue, Apr 30, 2013 at 7:53 PM, Josef Bacik wrote: > > > Can you run this patch and capture the output when you get the warning? You > > should see some mesages before the -- [ cut here ] -- part, make sure to capture > > those. Thanks, > > Sure. > > There you go (also on http://pastebin.com/7MHmgpPU): > > num_pages is 10000, blockgroup? yes > block group offset=83999326208, size=167959920640 Ok well that's not good, I'm not sure how you got a 156 gigabyte block group, but thats why that warning is going off. Can you pull btrfs-image down from here git://github.com/josefbacik/btrfs-progs.git and build that and then run ./btrfs-image -c 9 -t 4 /dev/whatever somefile.img and upload the image somewhere so I can take a look at it. Thanks, Josef