linux-ext4 - [Bug 13201] kernel BUG at fs/ext4/extents.c:2737

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Date:	Wed, 29 Apr 2009 01:06:09 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 13201] kernel BUG at fs/ext4/extents.c:2737

http://bugzilla.kernel.org/show_bug.cgi?id=13201





--- Comment #2 from Franco Broi <franco@...ro-fsi.com.au>  2009-04-29 01:06:09 ---
Of the 12 tests, 2 produced errors.

EXT4-fs error (device dm-5): ext4_mb_generate_buddy: EXT4-fs: group 9: 32768
blocks in bitmap, 1023 in gd

The filesystem seems OK, I can ls the test files.

EXT4-fs error (device dm-3): ext4_mb_generate_buddy: EXT4-fs: group 0: 32768
blocks in bitmap, 970 in gd
EXT4-fs error (device dm-3): ext4_mb_generate_buddy: EXT4-fs: group 0: 32768
blocks in bitmap, 32766 in gd
EXT4-fs error (device dm-3): ext4_init_block_bitmap: Checksum bad for group 1
EXT4-fs error (device dm-3): ext4_mb_generate_buddy: EXT4-fs: group 1: 0 blocks
in bitmap, 1023 in gd
EXT4-fs error (device dm-3): ext4_dx_find_entry: bad entry in directory #15:
directory entry across blocks - offset=28672, inode=0, rec_len=65536,
name_len=0
EXT4-fs error (device dm-3): ext4_add_entry: bad entry in directory #15:
directory entry across blocks - offset=0, inode=0, rec_len=65536, name_len=0
EXT4-fs error (device dm-3): htree_dirblock_to_tree: bad entry in directory #2:
directory entry across blocks - offset=0, inode=0, rec_len=65536, name_len=0
EXT4-fs error (device dm-3): htree_dirblock_to_tree: bad entry in directory #2:
directory entry across blocks - offset=0, inode=0, rec_len=65536, name_len=0
EXT4-fs error (device dm-3): htree_dirblock_to_tree: bad entry in directory #2:
directory entry across blocks - offset=0, inode=0, rec_len=65536, name_len=0
EXT4-fs error (device dm-3): htree_dirblock_to_tree: bad entry in directory #2:
directory entry across blocks - offset=0, inode=0, rec_len=65536, name_len=0
EXT4-fs error (device dm-3): htree_dirblock_to_tree: bad entry in directory #2:
directory entry across blocks - offset=0, inode=0, rec_len=65536, name_len=0

Although df looks ok
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/vgdata--143-data143
                     13456415384 13232157624 224257760  99% /data143
# ls /data143

Produces no output.

At this point I will need to switch back to ext3 so that I can get this disk
into production but I do have a small window to run some more tests if anyone
has any ideas.

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