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xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mutex-debug.c:80/debug_mutex_unlock()

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From: Sami Farin <7atbggg02@...>
To: linux-kernel Mailing List <linux-kernel@...>
Subject: xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mutex-debug.c:80/debug_mutex_unlock()
Date: Wednesday, January 3, 2007 - 8:14 pm

just a simple test I did...
xfs_freeze -f /mnt/newtest
cp /etc/fstab /mnt/newtest
xfs_freeze -u /mnt/newtest

2007-01-04 01:44:30.341979500 <4>BUG: warning at kernel/mutex-debug.c:80/debug_mutex_unlock()
2007-01-04 01:44:30.385771500 <4> [<c0103cfb>] dump_trace+0x215/0x21a
2007-01-04 01:44:30.385774500 <4> [<c0103da3>] show_trace_log_lvl+0x1a/0x30
2007-01-04 01:44:30.385775500 <4> [<c0103dcb>] show_trace+0x12/0x14
2007-01-04 01:44:30.385777500 <4> [<c0103ec8>] dump_stack+0x19/0x1b
2007-01-04 01:44:30.385778500 <4> [<c013a3af>] debug_mutex_unlock+0x69/0x120
2007-01-04 01:44:30.385779500 <4> [<c04b4aac>] __mutex_unlock_slowpath+0x44/0xf0
2007-01-04 01:44:30.385780500 <4> [<c04b4887>] mutex_unlock+0x8/0xa
2007-01-04 01:44:30.385782500 <4> [<c018d0ba>] thaw_bdev+0x57/0x6e
2007-01-04 01:44:30.385791500 <4> [<c026a6cf>] xfs_ioctl+0x7ce/0x7d3
2007-01-04 01:44:30.385793500 <4> [<c0269158>] xfs_file_ioctl+0x33/0x54
2007-01-04 01:44:30.385794500 <4> [<c01793f2>] do_ioctl+0x76/0x85
2007-01-04 01:44:30.385795500 <4> [<c0179570>] vfs_ioctl+0x59/0x1aa
2007-01-04 01:44:30.385796500 <4> [<c0179728>] sys_ioctl+0x67/0x77
2007-01-04 01:44:30.385797500 <4> [<c0102e73>] syscall_call+0x7/0xb
2007-01-04 01:44:30.385799500 <4> [<001be410>] 0x1be410
2007-01-04 01:44:30.385800500 <4> =======================

fstab was there just fine after -u.

Linux 2.6.19.1 SMP on Pentium D.

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Messages in current thread:
xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mutex-de..., Sami Farin, (Wed Jan 3, 8:14 pm)
Re: xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mute..., David Chinner, (Sun Jan 7, 5:37 pm)
Re: xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mute..., Andrew Morton, (Mon Jan 8, 7:56 pm)
Re: xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mute..., Ingo Molnar, (Tue Jan 9, 2:41 am)
Re: xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mute..., Sami Farin, (Mon Jan 8, 7:03 am)
Re: xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mute..., Eric Sandeen, (Mon Jan 8, 12:40 pm)
bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioctl / ..., David Chinner, (Mon Jan 8, 7:47 pm)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., Andrew Morton, (Mon Jan 8, 8:19 pm)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., Christoph Hellwig, (Tue Jan 9, 6:02 am)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., Eric Sandeen, (Mon Jan 8, 11:12 pm)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., Andrew Morton, (Mon Jan 8, 11:18 pm)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., Eric Sandeen, (Mon Jan 8, 11:38 pm)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., Andrew Morton, (Mon Jan 8, 11:51 pm)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., Christoph Hellwig, (Tue Jan 9, 6:04 am)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., David Chinner, (Tue Jan 9, 9:34 pm)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., Nathan Scott, (Tue Jan 9, 12:17 am)
Re: bd_mount_mutex -&gt; bd_mount_sem (was Re: xfs_file_ioct..., David Chinner, (Tue Jan 9, 12:49 am)
Re: [**BULK SPAM**] Re: bd_mount_mutex -&gt; bd_mount_sem (..., Nathan Scott, (Tue Jan 9, 2:02 am)