From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sander Subject: Re: kernel BUG at fs/btrfs/volumes.c:2733 Date: Fri, 30 Mar 2012 19:49:56 +0200 Message-ID: <20120330174956.GA770@panda> References: <20120329105235.GA1198@panda> <20120329135324.GA1899@zambezi.lan> <20120329151422.GC29741@panda> <20120329154154.GA3891@zambezi.lan> Reply-To: sander@humilis.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-btrfs@vger.kernel.org To: Ilya Dryomov Return-path: In-Reply-To: <20120329154154.GA3891@zambezi.lan> List-ID: Hello Ilya, Ilya Dryomov wrote (ao): > > > I'm definitely intrested in reproducing it. Could you please umount this > > > filesystem, capture the output of 'btrfs-debug-tree -d ' and post it > > > somewhere ? > > > > Will do. It is the / filesystem, so I'll need to reboot. > > I need this to confirm that balance item is on disk. I'm sorry it took so long. I'll mail the output to you directly. > > > After that mount it back and see if there is "btrfs: continuing > > > balance" line in dmesg (and if btrfs-balance kthread shows up)? There is no such line in dmesg, and currently no btrfs-balance kthread is running. I've pulled Chris Masons for-linus and booted with the resulting kernel. > > > If so, just let it run, it should finish the balance and remove > > > on-disk item. (You can query the status of running balance with 'btrfs > > > balance status ') > > > > Do I need newer tools for that? This is Debian Sid (unstable): > > Yeah, you do. That command is in master now, but it's not really > needed. If btrfs-balance shows up, just wait for it to finish, it > should get rid of the balance item. If it doesn't show up but the item > is there we will have to dig deeper. Ok :-) Sander -- Humilis IT Services and Solutions http://www.humilis.net