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Message-ID: <459F80E2.7080903@free.fr>
Date:	Sat, 06 Jan 2007 11:58:42 +0100
From:	Laurent Riffard <laurent.riffard@...e.fr>
To:	Andrew Morton <akpm@...l.org>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	"reiserfs-list@...esys.com" <reiserfs-list@...esys.com>
Subject: Re: 2.6.20-rc3-mm1: umount reiser4 FS stuck in D state

Le 05.01.2007 07:02, Andrew Morton a écrit :
> Temporarily at
> 
> 	http://userweb.kernel.org/~akpm/2.6.20-rc3-mm1/
> 
> will appear later at
> 
> 	ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc3/2.6.20-rc3-mm1/

Hello,

got this with 2.6.20-rc3-mm1:

=======================
SysRq : Show Blocked State

                         free                        sibling
  task             PC    stack   pid father child younger older
umount        D C013135E  6044  1168   1150                     (NOTLB)
       de591ae4 00000086 de591abc c013135e dff979c8 c012a6fe 00000046 00000007 
       dfd94ac0 128d3000 00000026 00000000 dfd94bcc dff979c8 de591ae4 dffda038 
       00000002 dff979c0 dff979bc dff979c8 de591b10 c012d600 dff979f8 00000000 
Call Trace:
 [<c012d600>] synchronize_qrcu+0x70/0x8c
 [<c01bede4>] __make_request+0x4c/0x29b
 [<c01bd24b>] generic_make_request+0x1b0/0x1de
 [<c01bf354>] submit_bio+0xda/0xe2
 [<e12674bd>] write_jnodes_to_disk_extent+0x920/0x974 [reiser4]
 [<e12678dd>] update_journal_footer+0x29f/0x2b7 [reiser4]
 [<e1268b65>] write_tx_back+0x149/0x185 [reiser4]
 [<e126a8e7>] reiser4_write_logs+0xea4/0xfd2 [reiser4]
 [<e125626a>] try_commit_txnh+0x7e6/0xa4f [reiser4]
 [<e125661b>] reiser4_txn_end+0x148/0x3cf [reiser4]
 [<e12568ad>] reiser4_txn_restart+0xb/0x1a [reiser4]
 [<e125692f>] reiser4_txn_restart_current+0x73/0x75 [reiser4]
 [<e1256b89>] force_commit_atom+0x258/0x261 [reiser4]
 [<e1257703>] txnmgr_force_commit_all+0x406/0x697 [reiser4]
 [<e12e5e08>] release_format40+0x10c/0x193 [reiser4]
 [<e1279922>] reiser4_put_super+0x134/0x16a [reiser4]
 [<c015c930>] generic_shutdown_super+0x55/0xd8
 [<c015c9d3>] kill_block_super+0x20/0x32
 [<c015ca75>] deactivate_super+0x3f/0x51
 [<c016d903>] mntput_no_expire+0x42/0x5f
 [<c0160f37>] path_release_on_umount+0x15/0x18
 [<c016df77>] sys_umount+0x1a3/0x1cb
 [<c016dfb8>] sys_oldumount+0x19/0x1b
 [<c0103ed2>] sysenter_past_esp+0x5f/0x99
 =======================

Scenario:
- umount a reiser4 FS (no need to write something before)

Earlier kernels were OK.

I tested Frederik Deweerdt's patch for "lockdep: unbalance at 
generic_sync_sb_inodes", it did not help.

I think I'll a give a try to 
http://userweb.kernel.org/~akpm/2.6.20-rc3-mm1x.bz2 (basically 
2.6.20-rc3-mm1, minus git-block.patch).

.config attached

~~
laurent



View attachment "config-2.6.20-rc3-mm1" of type "text/plain" (51846 bytes)

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