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:

quoted

Hi,
=20
i'm having a problem with a damaged btrfs after power loss. When i =

try

quoted

to mount the fs mount either segfaults (trace at bottom) or hangs i=

n=20

quoted

"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
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