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SubjectRe: 2.6.33-rc0: reiserfs: inconsistent lock state
From
One more warning.
This is No space left situation.

[ INFO: possible circular locking dependency detected ]
2.6.32-06486-g053fe57 #2
-------------------------------------------------------
vi/23454 is trying to acquire lock:
(&journal->j_mutex){+.+...}, at: [<c110dac4>] do_journal_begin_r+0x64/0x2f0
but task is already holding lock:
(&REISERFS_SB(s)->lock){+.+.+.}, at: [<c11106a8>] reiserfs_write_lock+0x28/0x40
which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&REISERFS_SB(s)->lock){+.+.+.}:
[<c104f8f3>] validate_chain+0xa23/0xf70
[<c1050325>] __lock_acquire+0x4e5/0xa70
[<c105092a>] lock_acquire+0x7a/0xa0
[<c134c78f>] mutex_lock_nested+0x5f/0x2b0
[<c11106a8>] reiserfs_write_lock+0x28/0x40
[<c110dacb>] do_journal_begin_r+0x6b/0x2f0
[<c110ddcf>] journal_begin+0x7f/0x120
[<c10f76c2>] reiserfs_remount+0x212/0x4d0
[<c1093997>] do_remount_sb+0x67/0x140
[<c10a9ca6>] do_mount+0x436/0x6b0
[<c10a9f86>] sys_mount+0x66/0xa0
[<c1002c50>] sysenter_do_call+0x12/0x36
-> #0 (&journal->j_mutex){+.+...}:
[<c104fe38>] validate_chain+0xf68/0xf70
[<c1050325>] __lock_acquire+0x4e5/0xa70
[<c105092a>] lock_acquire+0x7a/0xa0
[<c134c78f>] mutex_lock_nested+0x5f/0x2b0
[<c110dac4>] do_journal_begin_r+0x64/0x2f0
[<c110ddcf>] journal_begin+0x7f/0x120
[<c10ef52f>] reiserfs_delete_inode+0x9f/0x140
[<c10a55fc>] generic_delete_inode+0x9c/0x150
[<c10a56ed>] generic_drop_inode+0x3d/0x60
[<c10a4607>] iput+0x47/0x50
[<c10e915c>] reiserfs_create+0x16c/0x1c0
[<c109a9c1>] vfs_create+0xc1/0x130
[<c109dbec>] do_filp_open+0x81c/0x920
[<c109004f>] do_sys_open+0x4f/0x110
[<c1090179>] sys_open+0x29/0x40
[<c1002c50>] sysenter_do_call+0x12/0x36
other info that might help us debug this:

2 locks held by vi/23454:
#0: (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c109d64e>]
do_filp_open+0x27e/0x920
#1: (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c11106a8>]
reiserfs_write_lock+0x28/0x40
stack backtrace:
Pid: 23454, comm: vi Not tainted 2.6.32-06486-g053fe57 #2
Call Trace:
[<c134b202>] ? printk+0x18/0x1e
[<c104e960>] print_circular_bug+0xc0/0xd0
[<c104fe38>] validate_chain+0xf68/0xf70
[<c104ca9b>] ? trace_hardirqs_off+0xb/0x10
[<c1050325>] __lock_acquire+0x4e5/0xa70
[<c105092a>] lock_acquire+0x7a/0xa0
[<c110dac4>] ? do_journal_begin_r+0x64/0x2f0
[<c134c78f>] mutex_lock_nested+0x5f/0x2b0
[<c110dac4>] ? do_journal_begin_r+0x64/0x2f0
[<c110dac4>] ? do_journal_begin_r+0x64/0x2f0
[<c110ff80>] ? delete_one_xattr+0x0/0x1c0
[<c110dac4>] do_journal_begin_r+0x64/0x2f0
[<c110ddcf>] journal_begin+0x7f/0x120
[<c11105b5>] ? reiserfs_delete_xattrs+0x15/0x50
[<c10ef52f>] reiserfs_delete_inode+0x9f/0x140
[<c10a55bf>] ? generic_delete_inode+0x5f/0x150
[<c10ef490>] ? reiserfs_delete_inode+0x0/0x140
[<c10a55fc>] generic_delete_inode+0x9c/0x150
[<c10a56ed>] generic_drop_inode+0x3d/0x60
[<c10a4607>] iput+0x47/0x50
[<c10e915c>] reiserfs_create+0x16c/0x1c0
[<c1099a5d>] ? inode_permission+0x7d/0xa0
[<c109a9c1>] vfs_create+0xc1/0x130
[<c10e8ff0>] ? reiserfs_create+0x0/0x1c0
[<c109dbec>] do_filp_open+0x81c/0x920
[<c104ca9b>] ? trace_hardirqs_off+0xb/0x10
[<c134dc0d>] ? _spin_unlock+0x1d/0x20
[<c10a6eea>] ? alloc_fd+0xba/0xf0
[<c109004f>] do_sys_open+0x4f/0x110
[<c1090179>] sys_open+0x29/0x40
[<c1002c50>] sysenter_do_call+0x12/0x36


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