WARNING in -rc3-00023-g14c62e7

DISCUSSION Diego Calleja 2 participants 4 messages Aug 25, 2011 – Aug 27, 2011 Btrfs file system

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Diego Calleja

author

2011-08-25 19:17 UTC #0 lore raw

This is what I got in my dmesg...I have lots of these warnings, didn't notice it until now.

[  235.705766] ------------[ cut here ]------------
[  235.705772] WARNING: at fs/inode.c:1309 iput+0x1ed/0x210()
[  235.705773] Hardware name:         
[  235.705774] Modules linked in: ipt_REJECT xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables snd_hda_codec_hdmi snd_hda_codec_realtek wacom snd_hda_intel snd_hda_codec snd_pcm snd_timer snd soundcore e1000e i2c_i801 snd_page_alloc virtio_net virtio virtio_ring kvm_intel kvm [last unloaded: scsi_wait_scan]
[  235.705788] Pid: 3203, comm: btrfs-cleaner Not tainted 3.1.0-rc3-00023-g14c62e7 #4
[  235.705789] Call Trace:
[  235.705794]  [<ffffffff8104bbcf>] warn_slowpath_common+0x7f/0xc0
[  235.705796]  [<ffffffff8104bc2a>] warn_slowpath_null+0x1a/0x20
[  235.705797]  [<ffffffff8116922d>] iput+0x1ed/0x210
[  235.705800]  [<ffffffff8123b3ac>] btrfs_iget+0x1cc/0x460
[  235.705804]  [<ffffffff815dbc56>] ? _raw_spin_unlock+0x16/0x40
[  235.705807]  [<ffffffff8123f8ce>] btrfs_run_defrag_inodes+0x12e/0x210
[  235.705809]  [<ffffffff8122a09b>] cleaner_kthread+0x18b/0x1a0
[  235.705811]  [<ffffffff815dbe0a>] ? _raw_spin_unlock_irqrestore+0x2a/0x60
[  235.705813]  [<ffffffff81229f10>] ? transaction_kthread+0x290/0x290
[  235.705815]  [<ffffffff8106e42c>] kthread+0x8c/0xa0
[  235.705818]  [<ffffffff815e51f4>] kernel_thread_helper+0x4/0x10
[  235.705820]  [<ffffffff81037cde>] ? finish_task_switch+0x4e/0xe0
[  235.705822]  [<ffffffff815dbc9c>] ? _raw_spin_unlock_irq+0x1c/0x40
[  235.705824]  [<ffffffff815dc64e>] ? retint_restore_args+0xe/0xe
[  235.705826]  [<ffffffff8106e3a0>] ? kthread_worker_fn+0x190/0x190
[  235.705828]  [<ffffffff815e51f0>] ? gs_change+0xb/0xb
[  235.705829] ---[ end trace 522a9ae26c065662 ]---

Mitch Harder

2011-08-26 20:59 UTC #1 lore raw

On Thu, Aug 25, 2011 at 2:17 PM, Diego Calleja <[email protected]> wrot= e:

Quoted 1 line

This is what I got in my dmesg...I have lots of these warnings, didn'=

Quoted 6 lines

notice it until now.
[ =A0235.705766] ------------[ cut here ]------------
[ =A0235.705772] WARNING: at fs/inode.c:1309 iput+0x1ed/0x210() [ =A0235.705773] Hardware name:
[ =A0235.705774] Modules linked in: ipt_REJECT xt_tcpudp nf_conntrack=

_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_t= ables snd_hda_codec_hdmi snd_hda_codec_realtek wacom snd_hda_intel snd_= hda_codec snd_pcm snd_timer snd soundcore e1000e i2c_i801 snd_page_allo= c virtio_net virtio virtio_ring kvm_intel kvm [last unloaded: scsi_wait= _scan]

Quoted 1 line

[ =A0235.705788] Pid: 3203, comm: btrfs-cleaner Not tainted 3.1.0-rc3=

-00023-g14c62e7 #4

Quoted 2 lines

[ =A0235.705789] Call Trace:
[ =A0235.705794] =A0[<ffffffff8104bbcf>] warn_slowpath_common+0x7f/0x=

Quoted 5 lines

[ =A0235.705796] =A0[<ffffffff8104bc2a>] warn_slowpath_null+0x1a/0x20 [ =A0235.705797] =A0[<ffffffff8116922d>] iput+0x1ed/0x210
[ =A0235.705800] =A0[<ffffffff8123b3ac>] btrfs_iget+0x1cc/0x460 [ =A0235.705804] =A0[<ffffffff815dbc56>] ? _raw_spin_unlock+0x16/0x40 [ =A0235.705807] =A0[<ffffffff8123f8ce>] btrfs_run_defrag_inodes+0x12=

e/0x210

Quoted 2 lines

[ =A0235.705809] =A0[<ffffffff8122a09b>] cleaner_kthread+0x18b/0x1a0 [ =A0235.705811] =A0[<ffffffff815dbe0a>] ? _raw_spin_unlock_irqrestor=

e+0x2a/0x60
> [ =A0235.705813] =A0[<ffffffff81229f10>] ? transaction_kthread+0x290/=

0x290

Quoted 2 lines

[ =A0235.705815] =A0[<ffffffff8106e42c>] kthread+0x8c/0xa0 [ =A0235.705818] =A0[<ffffffff815e51f4>] kernel_thread_helper+0x4/0x1=

Quoted 1 line

[ =A0235.705820] =A0[<ffffffff81037cde>] ? finish_task_switch+0x4e/0x=

Quoted 1 line

[ =A0235.705822] =A0[<ffffffff815dbc9c>] ? _raw_spin_unlock_irq+0x1c/=

0x40

Quoted 1 line

[ =A0235.705824] =A0[<ffffffff815dc64e>] ? retint_restore_args+0xe/0x=

Quoted 1 line

[ =A0235.705826] =A0[<ffffffff8106e3a0>] ? kthread_worker_fn+0x190/0x=

190

Quoted 2 lines

[ =A0235.705828] =A0[<ffffffff815e51f0>] ? gs_change+0xb/0xb [ =A0235.705829] ---[ end trace 522a9ae26c065662 ]---

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Diego Calleja

author

2011-08-26 22:33 UTC #2 lore raw

On Viernes, 26 de Agosto de 2011 22:59:54 Mitch Harder escribi=F3:

Quoted 2 lines

=20
Do you have autodefrag enabled?

Yes
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Diego Calleja

author

2011-08-27 23:40 UTC #3 lore raw

On S=E1bado, 27 de Agosto de 2011 00:33:51 Diego Calleja escribi=F3:

Quoted 5 lines

On Viernes, 26 de Agosto de 2011 22:59:54 Mitch Harder escribi=F3:
Quoted 2 lines
=20
Do you have autodefrag enabled?
=20
Yes

It seems that this problem has already been solved by Konstantin Khlebnikov, he posted a patch on 17 August

[PATCH] btrfs: fix warning in iput for bad-inode

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