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Warning from unlock_new_inode

To: xfs@xxxxxxxxxxx
Subject: Warning from unlock_new_inode
From: Jan Kara <jack@xxxxxxx>
Date: Wed, 22 Feb 2012 23:01:37 +0100
User-agent: Mutt/1.5.20 (2009-06-14)
  Hello,

  while running fsstress on XFS partition with 3.3-rc4 kernel + my freeze
fixes (they do not touch anything relevant AFAICT) I've got the following
warning:

[   62.699499] ------------[ cut here ]------------
[   62.699531] WARNING: at fs/inode.c:967 unlock_new_inode+0x70/0x80()
[   62.699538] Hardware name: Bochs
[   62.699543] Modules linked in: xfs exportfs ipv6 mperf loop processor 
thermal_sys 8250_pnp button 8250 serial_core
[   62.699572] Pid: 2397, comm: fsstress Not tainted 3.3.0-rc4-xen+ #9
[   62.699578] Call Trace:
[   62.699588]  [<ffffffff81131130>] ? unlock_new_inode+0x70/0x80
[   62.699598]  [<ffffffff8103667a>] warn_slowpath_common+0x7a/0xb0
[   62.699606]  [<ffffffff810366c5>] warn_slowpath_null+0x15/0x20
[   62.699613]  [<ffffffff81131130>] unlock_new_inode+0x70/0x80
[   62.699668]  [<ffffffffa00b787f>] xfs_setup_inode+0x20f/0x2f0 [xfs]
[   62.699696]  [<ffffffffa00b3614>] xfs_iget+0x884/0x8c0 [xfs]
[   62.699721]  [<ffffffffa00b2e78>] ? xfs_iget+0xe8/0x8c0 [xfs]
[   62.699748]  [<ffffffffa00b8898>] xfs_bulkstat_one_int+0xa8/0x350 [xfs]
[   62.699775]  [<ffffffffa00b8770>] ? xfs_inumbers_fmt+0x70/0x70 [xfs]
[   62.699803]  [<ffffffffa00b8b5b>] xfs_bulkstat_one+0x1b/0x20 [xfs]
[   62.699832]  [<ffffffffa00b8f0a>] xfs_bulkstat+0x3aa/0x810 [xfs]
[   62.699858]  [<ffffffffa00b8b40>] ? xfs_bulkstat_one_int+0x350/0x350 [xfs]
[   62.699899]  [<ffffffffa00b4266>] xfs_ioc_bulkstat+0xe6/0x180 [xfs]
[   62.699925]  [<ffffffffa00b5756>] xfs_file_ioctl+0x426/0xa30 [xfs]
[   62.699945]  [<ffffffff810f7edb>] ? might_fault+0x3b/0x90
[   62.699958]  [<ffffffff81110191>] ? kfree_debugcheck+0x11/0x30
[   62.699966]  [<ffffffff81111d6e>] ? kmem_cache_free+0x13e/0x150
[   62.699975]  [<ffffffff8112954c>] do_vfs_ioctl+0x9c/0x590
[   62.699987]  [<ffffffff81114df0>] ? fd_install+0x30/0x60
[   62.699997]  [<ffffffff8138b5a5>] ? sysret_check+0x22/0x5d
[   62.700005]  [<ffffffff81129a8a>] sys_ioctl+0x4a/0x80
[   62.700012]  [<ffffffff8138b579>] system_call_fastpath+0x16/0x1b
[   62.700020] ---[ end trace 0a20034268e46d92 ]---

It is the first time I've got this warning and I'm already testing for
quite some time so it doesn't look easily reproducible...

                                                                Honza
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR

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