From: Alexander Beregalov <a.beregalov@gmail.com>
Subject: Re: 2.6.33-rc1: kernel BUG at fs/ext4/inode.c:1063 (sparc)
Date: Mon, 28 Dec 2009 02:02:52 +0300
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To: tytso@mit.edu, Alexander Beregalov <a.beregalov@gmail.com>,
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2009/12/28  <tytso@mit.edu>:
> On Sun, Dec 27, 2009 at 11:32:25PM +0300, Alexander Beregalov wrote:
>> >> I will try to crosscompile the kernel with Ted's patch on another host.
>>
>> Here is output of 2.6.33-rc2 plus Ted's patch
>>
>> EXT4-fs (sda1): inode #1387643: mdb_free (1) < mdb_claim (2) BUG
>
> OK, can you give me the output of:
>
> debugfs /dev/sda1
> debugfs: stat <1387643>
> debugfs: ncheck 1387643
> debugfs: quit

Cleaning of CCache does not help.

debugfs 1.41.9 (22-Aug-2009)
debugfs:  stat <1387643>
Inode: 1387643   Type: regular    Mode:  0644   Flags: 0x0
Generation: 2004186252    Version: 0x00000000:00000001
User:  1000   Group:  1003   Size: 11028803
File ACL: 0    Directory ACL: 0
Links: 1   Blockcount: 21576
Fragment:  Address: 0    Number: 0    Size: 0
 ctime: 0x4b37d65c:04b0870a -- Mon Dec 28 00:49:16 2009
 atime: 0x4b37d65a:2803e3e5 -- Mon Dec 28 00:49:14 2009
 mtime: 0x4b37d65c:04b0870a -- Mon Dec 28 00:49:16 2009
crtime: 0x5ad6374b:2803e3e5 -- Tue Apr 17 22:04:59 2018
Size of extra inode fields: 28
BLOCKS:
(0-11):172032-172043, (IND):165412, (12-1035):172044-173067,
(DIND):165380, (IND):165381, (1036-2047):173068-174079,
(2048-2059):188416-188427, (IND):165414, (2060-2692):188428-189060
TOTAL: 2697

debugfs:  ncheck 1387643
Inode   Pathname
1387643 /home/alexb/linux-2.6/kernel/built-in.o


~/linux-2.6 $ rm kernel/built-in.o
~/linux-2.6 $ sync
~/linux-2.6 $ kmake
  CHK     include/linux/version.h
  CHK     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  LD      kernel/built-in.o
  LD [M]  fs/btrfs/btrfs.o
fs/btrfs/relocation.o: file not recognized: File truncated