From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josef Bacik Subject: Re: kernel BUG at fs/btrfs/inode.c:4676! Date: Fri, 10 Jun 2011 09:33:20 -0400 Message-ID: <4DF21D20.8010304@redhat.com> References: <201106061220.05696.markotahal@gmail.com> <4DF179ED.1080001@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Chris Mason , Marek Otahal , Linux Btrfs , Andy Lutomirski To: Daniel J Blueman Return-path: In-Reply-To: List-ID: On 06/09/2011 10:06 PM, Daniel J Blueman wrote: > On 10 June 2011 09:57, Andy Lutomirski wrote: >> On 06/06/2011 06:19 AM, Marek Otahal wrote: >>> >>> Hello, >>> the issue happens every time when i have to hard power-off my notebook >>> (suspend problems). >>> With kernel 2.6.39 the partition is unmountable, solution is to boot >>> 2.6.38 kernel which >>> 1/ is able to mount the partition, >>> 2/ by doing that fixes the problem so later .39 (after clean shutdown) can >>> mount it also. >> >> Same problem here. Mounting with 2.6.38 says: >> >> [ 41.906259] Btrfs loaded >> [ 41.906747] device fsid e040a9d60da49596-66c0275e348878bf devid 1 transid >> 69217 /dev/mapper/vg_midnight_ssd-home >> [ 41.908767] btrfs: disk space caching is enabled >> [ 42.232185] btrfs: unlinked 17 orphans >> [ 42.232189] btrfs: truncated 2 orphans >> >> dmesg in 2.6.39.1 says: > [] >> [ 15.004255] kernel BUG at fs/btrfs/inode.c:4676! > [] > > I've been experiencing the same issue also. > > Josef/Chris, would an metadata snapshot or full block snapshot help > debug this regression? I can probably setup a small testcase to > trigger this. > If you can come up with a testcase to reproduce I would love you forever ;). If I get done what I wanted to do today I will try and reproduce. Thanks, Josef