Bug 5416

Summary:	journal block not found
Product:	File System	Reporter:	Vincent ROQUETA (vincent.roqueta)
Component:	ext3	Assignee:	Andrew Morton (akpm)
Status:	REJECTED UNREPRODUCIBLE
Severity:	high	CC:	bunk, johann.lombardi, protasnb, sct
Priority:	P2
Hardware:	i386
OS:	Linux
Kernel Version:	2.6.13.3	Subsystem:
Regression:	---	Bisected commit-id:

Description Vincent ROQUETA 2005-10-11 07:02:59 UTC

Most recent kernel where this bug did not occur: 2.6.13.3
Distribution: modified Mandrake 10.1
Hardware Environment: Laptop. Samsung disk is Ok.
Software Environment: amule is the only software using intensive disk
ressources. Disk is ~90% full when the problem occurs.
Problem Description:
The /home filessytem is remounted read only after a problem on the journal.

Steps to reproduce:

Messages :

localhost kernel: journal_bmap: journal block not found at offset 6156 on hda6
localhost kernel: Aborting journal on device hda6.
localhost kernel: __journal_remove_journal_head: freeing b_committed_data
localhost last message repeated 2 times
localhost kernel: journal commit I/O error
localhost kernel: ext3_abort called.
localhost kernel: EXT3-fs error (device hda6): ext3_journal_start_sb: Detected
aborted journal
localhost kernel: Remounting filesystem read-only       

Kernel is linux 2.6.13.3
Filesystem is ext3.

Comment 1 Andrew Morton 2005-10-11 08:24:02 UTC

Is this reproducible?

Are there no I/O errors or anything like that reported from the IDE
driver?

Comment 2 Vincent ROQUETA 2005-10-11 08:28:50 UTC

Le mardi 11 Octobre 2005 17:26, vous avez

Comment 3 Vincent ROQUETA 2005-10-11 08:39:51 UTC

> Is this reproducible?
Yes, it is, using the amule client.

Comment 4 Andrew Morton 2005-10-11 08:46:13 UTC

bugzilla-daemon@osdl.org wrote:
>
> http://bugzilla.kernel.org/show_bug.cgi?id=5416

Stephen, Vincent can reproducibly hit the journal_bmap() failure.

I seem to recall a few such reports a year or two ago, and that you might
have spent some time looking into the problem?

Comment 5 Adrian Bunk 2006-01-05 03:49:12 UTC

Stephen can you comment on this issue?

Comment 6 Andreas Dilger 2006-02-03 17:02:35 UTC

Vincent, is there anything like software/hardware suspend on this laptop, or
possibly a "maintenance partition" that the machine is trying to write to that
possibly overlaps with the filesystem?

Comment 7 Vincent ROQUETA 2006-02-09 07:09:40 UTC

Le Samedi 4 F

Comment 8 Johann Lombardi 2006-02-14 13:11:46 UTC

For an unknown reason, logical blocks 6156-7179 are not allocated:

debugfs:  bmap <8> 6156
0
debugfs:  stat <8>
Inode: 8   Type: regular    Mode:  0600   Flags: 0x0   Generation: 0
User:     0   Group:     0   Size: 33554432
File ACL: 0    Directory ACL: 0
Links: 1   Blockcount: 57416
Fragment:  Address: 0    Number: 0    Size: 0
ctime: 0x4174081c -- Mon Oct 18 20:14:52 2004
atime: 0x00000000 -- Thu Jan  1 01:00:00 1970
mtime: 0x4174081c -- Mon Oct 18 20:14:52 2004
BLOCKS:
(0-11):1033-1044, (IND):1045, (12-1035):1046-2069, (DIND):2070, (IND):2071, 
(1036-2059):2072-3095, (IND):3096, (2060-3083):3097-4120, (IND):4121, 
(3084-4107):4122-5145, (IND):5146, (4108-5131):5147-6170, (IND):6171, 
(5132-6155):6172-7195, (IND):7196, (IND):8221, (7180-8191):8222-9233
TOTAL: 7177

Comment 9 Johann Lombardi 2006-03-22 12:04:37 UTC

Vincent needed to use the ext3 filesystem, so I removed/added the journal.
He has confirmed that the problem is gone away.
However, how he got into this situation is still not understood.

Comment 10 Natalie Protasevich 2007-07-06 18:38:57 UTC

Any update on this bug? Has this happen again since time of reported failure?
Thanks.

Comment 11 Natalie Protasevich 2008-03-14 23:56:20 UTC

Closing the bug, since everything seems to be OK. Please reopen if the problem re-appears.