linux-kernel - fs/inode.c WARNING still present in 3.6.2

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Date:	Tue, 16 Oct 2012 11:33:18 +0200
From:	Fabio Coatti <fabio.coatti@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: fs/inode.c WARNING still present in 3.6.2

Hi all,
I'm still seeing WARNING in dmesg of 3.6.2 version (and it seems
related to high load on servers), as reported for 3.6.1. is it
something dangerous?
If details are needed, please CC: as I'm not subscribed to this
mailing list now .

Many thanks for any answer :)

[64356.668774] ------------[ cut here ]------------
[64356.668811] WARNING: at fs/inode.c:280 drop_nlink+0x1b/0x35()
[64356.668842] Hardware name: ProLiant BL465c G6
[64356.668871] Pid: 30987, comm: php Tainted: G        W    3.6.2-hll-2scsi #1
[64356.668904] Call Trace:
[64356.668932]  [<ffffffff81057884>] ? warn_slowpath_common+0x73/0x87
[64356.668965]  [<ffffffff810ec738>] ? drop_nlink+0x1b/0x35
[64356.668996]  [<ffffffff8118ae8d>] ? nfs_dentry_iput+0x33/0x49
[64356.669028]  [<ffffffff810eaa30>] ? d_kill+0xe8/0x108
[64356.669058]  [<ffffffff810eb111>] ? dput+0x147/0x154
[64356.669088]  [<ffffffff810d9f56>] ? __fput+0x19a/0x1b2
[64356.669119]  [<ffffffff8106be48>] ? task_work_run+0x4c/0x60
[64356.669151]  [<ffffffff81606da8>] ? int_signal+0x12/0x17
[64356.669181] ---[ end trace e416cf64a1ef779c ]---

[  247.332506] ------------[ cut here ]------------
[  247.332610] WARNING: at fs/ext3/inode.c:1754
ext3_journalled_writepage+0x55/0x1a7()
[  247.332735] Hardware name: ProLiant BL465c G7
[  247.332825] Pid: 2255, comm: flush-8:0 Not tainted 3.6.2-hll-2scsi #1
[  247.332921] Call Trace:
[  247.333008]  [<ffffffff81057884>] ? warn_slowpath_common+0x73/0x87
[  247.333105]  [<ffffffff8115ccc2>] ? ext3_journalled_writepage+0x55/0x1a7
[  247.333205]  [<ffffffff810a2833>] ? __writepage+0xa/0x21
[  247.333297]  [<ffffffff810a31db>] ? write_cache_pages+0x206/0x2f8
[  247.333392]  [<ffffffff810a2829>] ? set_page_dirty+0x5e/0x5e
[  247.333487]  [<ffffffff810a330b>] ? generic_writepages+0x3e/0x55
[  247.333583]  [<ffffffff810f4eb0>] ? __writeback_single_inode+0x39/0xd1
[  247.333679]  [<ffffffff810f5c69>] ? writeback_sb_inodes+0x206/0x392
[  247.333775]  [<ffffffff810f5e5c>] ? __writeback_inodes_wb+0x67/0xa2
[  247.333870]  [<ffffffff810f5ffa>] ? wb_writeback+0xfd/0x18b
[  247.333963]  [<ffffffff810a36d1>] ? bdi_dirty_limit+0x27/0x81
[  247.334057]  [<ffffffff810f61c5>] ? wb_do_writeback+0x13d/0x1a2
[  247.334153]  [<ffffffff81061e9b>] ? add_timer_on+0x61/0x61
[  247.334246]  [<ffffffff810f62a9>] ? bdi_writeback_thread+0x7f/0x13e
[  247.334342]  [<ffffffff810f622a>] ? wb_do_writeback+0x1a2/0x1a2
[  247.334436]  [<ffffffff810f622a>] ? wb_do_writeback+0x1a2/0x1a2
[  247.334532]  [<ffffffff8106e134>] ? kthread+0x81/0x89
[  247.334626]  [<ffffffff810d0000>] ? __slab_alloc+0x206/0x371
[  247.334722]  [<ffffffff81607b74>] ? kernel_thread_helper+0x4/0x10
[  247.334817]  [<ffffffff8106e0b3>] ? kthread_worker_fn+0xe0/0xe0
[  247.334911]  [<ffffffff81607b70>] ? gs_change+0xb/0xb
[  247.335002] ---[ end trace b659ad32aabdb2cd ]---

-- 
Fabio
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