#0  0x00007ffff7444d05 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff7448ab6 in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x000000000040502c in btrfs_extend_item (trans=<value optimized out>, root=0x633920, path=<value optimized out>, data_size=27) at ctree.c:2525
        slot = <value optimized out>
        slot_orig = <value optimized out>
        leaf = 0x1955250
        nritems = 1
        data_end = <value optimized out>
        old_data = <value optimized out>
        i = <value optimized out>
        __PRETTY_FUNCTION__ = "btrfs_extend_item"
#3  0x000000000040e32d in btrfs_insert_inode_ref (trans=0xc9ef10, root=0x633920, name=0xcfa314 "gtfntf.f.svn-base", name_len=17,
    inode_objectid=<value optimized out>, ref_objectid=<value optimized out>, index=150) at inode-item.c:135
        old_size = 3945
        path = 0x1639aa0
        key = {objectid = 37361107, type = 12 '\f', offset = 37359706}
        ref = <value optimized out>
        ptr = <value optimized out>
        ret = <value optimized out>
        ins_len = 27
        __PRETTY_FUNCTION__ = "btrfs_insert_inode_ref"
#4  0x0000000000413fff in dir_iterate_proc (dir=<value optimized out>, entry=<value optimized out>, old=0xcfa30c, offset=<value optimized out>,
    blocksize=<value optimized out>, buf=<value optimized out>, priv_data=0x7fffffffe370) at convert.c:289
        ret = <value optimized out>
        file_type = <value optimized out>
        objectid = 37361107
        dotdot = ".."
        location = {objectid = 37361107, type = 1 '\001', offset = 0}
        dirent = 0xcfa30c
        idata = 0x7fffffffe370
        __PRETTY_FUNCTION__ = "dir_iterate_proc"
#5  0x00007ffff7bbdc13 in ext2fs_process_dir_block () from /lib/x86_64-linux-gnu/libext2fs.so.2
No symbol table info available.
#6  0x00007ffff7bbac02 in ext2fs_block_iterate2 () from /lib/x86_64-linux-gnu/libext2fs.so.2
No symbol table info available.
#7  0x00007ffff7bbdfb8 in ext2fs_dir_iterate2 () from /lib/x86_64-linux-gnu/libext2fs.so.2
No symbol table info available.
#8  0x000000000041689d in create_dir_entries (devname=0x7fffffffe897 "/dev/sdc1", datacsum=1, packing=1, noxattr=0) at convert.c:322
        err = <value optimized out>
        data = {trans = 0xc9ef10, root = 0x633920, inode = 0x7fffffffe1c0, objectid = 37359706, index_cnt = 150, parent = 37359705, errcode = 0}
        ret = <value optimized out>
#9  copy_single_inode (devname=0x7fffffffe897 "/dev/sdc1", datacsum=1, packing=1, noxattr=0) at convert.c:1072
        ret = <value optimized out>
        btrfs_inode = {generation = 1, transid = 140737354044640, size = 4994, nbytes = 0, block_group = 0, nlink = 1, uid = 1000, gid = 1000, mode = 16877,
          rdev = 0, flags = 0, sequence = 140737351933932, reserved = {0, 140737354040256, 140733193388033, 0}, atime = {sec = 1303466526, nsec = 0}, ctime = {
            sec = 1296464377, nsec = 0}, mtime = {sec = 1296464377, nsec = 0}, otime = {sec = 0, nsec = 0}}
#10 copy_inodes (devname=0x7fffffffe897 "/dev/sdc1", datacsum=1, packing=1, noxattr=0) at convert.c:1154
        ret = <value optimized out>
        err = <value optimized out>
        ext2_scan = 0xce2300
        ext2_ino = 37359452
        objectid = 37359706
        ext2_inode = {i_mode = 16877, i_uid = 1000, i_size = 16384, i_atime = 1303466526, i_ctime = 1296464377, i_mtime = 1296464377, i_dtime = 0, i_gid = 1000,
          i_links_count = 2, i_blocks = 32, i_flags = 528384, osd1 = {linux1 = {l_i_version = 1981}, hurd1 = {h_i_translator = 1981}}, i_block = {193290, 4, 0,
            0, 1, 149430439, 1, 3, 149430464, 0, 0, 0, 0, 0, 0}, i_generation = 2854948622, i_file_acl = 0, i_dir_acl = 0, i_faddr = 0, osd2 = {linux2 = {
              l_i_blocks_hi = 0, l_i_file_acl_high = 0, l_i_uid_high = 0, l_i_gid_high = 0, l_i_reserved2 = 0}, hurd2 = {h_i_frag = 0 '\000',
              h_i_fsize = 0 '\000', h_i_mode_high = 0, h_i_uid_high = 0, h_i_gid_high = 0, h_i_author = 0}}}
        trans = 0xc9ef10
#11 do_convert (devname=0x7fffffffe897 "/dev/sdc1", datacsum=1, packing=1, noxattr=0) at convert.c:2411
        i = <value optimized out>
        fd = 6
        ret = <value optimized out>
        blocksize = 4096
        blocks = {9258, 9259, 9260, 9261, 9284, 9285, 9286}
        total_bytes = <value optimized out>
        super_bytenr = 37920768
        ext2_fs = 0x622010
        root = 0x633920
        ext2_root = <value optimized out>
#12 0x0000000000418333 in main (argc=<value optimized out>, argv=<value optimized out>) at convert.c:2867
        ret = <value optimized out>
        packing = 1
        noxattr = 0
        datacsum = 1
        rollback = 0
        file = 0x7fffffffe897 "/dev/sdc1"