From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon =?iso-8859-15?Q?Me=DFner?= Subject: Re: btrfs mount segfaults or crashes after powerloss Date: Tue, 15 Mar 2011 18:26:17 +0100 Message-ID: <20110315172617.GD37926@emmi.physik-pool.tu-berlin.de> References: <20110315002856.GC37926@emmi.physik-pool.tu-berlin.de> <1300208269-sup-5260@think> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Cc: Leon =?iso-8859-15?Q?Me=DFner?= To: linux-btrfs Return-path: In-Reply-To: <1300208269-sup-5260@think> List-ID: On Tue, Mar 15, 2011 at 12:58:43PM -0400, Chris Mason wrote: > Excerpts from Leon Me=DFner's message of 2011-03-14 20:28:56 -0400: > > Hi, > >=20 > > i'm having a problem with a damaged btrfs after power loss. When i = try > > to mount the fs mount either segfaults (trace at bottom) or hangs i= n=20 > > "D" state together with [btrfs-transacti]. > >=20 > > Please CC me as i'm not an the list. > > # btrfsck -s 1 /dev/sdb2 >=20 > Does btrfsck /dev/sdb2 work? -s 1 selects a different super, hopeful= ly > all the supers are the same. If plain btrfsck runs without failing w= e > can easily work around the log tree crash. Yes it does (i think), output is below. # btrfsck /dev/sdb2 root 256 inode 257 errors 800 found 50907959296 bytes used err is 1 total csum bytes: 46730092 total tree bytes: 407293952 total fs tree bytes: 315609088 btree space waste bytes: 111966302 file data blocks allocated: 184320000000 referenced 56142348288 Btrfs v0.19-35-g1b444cd thanks, Leon -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html