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From: Jeff Liu <jeff.liu@oracle.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Chandra Seetharaman <sekharan@us.ibm.com>, xfs@oss.sgi.com
Subject: Re: [regression 3.11-rc1] unmount hanging purging quotas
Date: Thu, 18 Jul 2013 20:02:11 +0800	[thread overview]
Message-ID: <51E7D943.4040101@oracle.com> (raw)
In-Reply-To: <20130718110931.GA13468@dastard>

On 07/18/2013 07:09 PM, Dave Chinner wrote:

> Hi Chandra,
> 
> I'm seeing xfs/050 hanging on a current oss-xfs master tree during
> unmount getting stuck purging dquots. it basically loops there
> forever. Have you seen anything like this recently?

FYI, I also ran into the same issue with 050 against mainline
Linux-3.11-rc1 this afternoon, the latest commits of XFS is:

commit c31ad439e8d111bf911c9cc80619cebde411a44d
Author: Chandra Seetharaman <sekharan@us.ibm.com>
Date:   Wed Jul 10 18:00:36 2013 -0500

    xfs: Fix the logic check for all quotas being turned off


Thanks,
-Jeff 

> 
> # echo w > /proc/sysrq-trigger 
> [ 5179.063824] SysRq : Show Blocked State
> [ 5179.064895]   task                        PC stack   pid father
> [ 5179.066459] umount          D ffff88007fd13280  5592 27782  26800 0x00000000
> [ 5179.067478]  ffff88007b747b98 0000000000000046 ffff8800524e4500 ffff88007b747fd8
> [ 5179.067478]  ffff88007b747fd8 ffff88007b747fd8 ffff88007c83dc00 ffff8800524e4500
> [ 5179.067478]  ffff88007b747b88 ffff88007b747bd0 ffff88007c858000 0000000100129cb6
> [ 5179.067478] Call Trace:
> [ 5179.067478]  [<ffffffff81c53319>] schedule+0x29/0x70
> [ 5179.067478]  [<ffffffff81c4fa3b>] schedule_timeout+0x10b/0x1f0
> [ 5179.067478]  [<ffffffff8109a1e0>] ? usleep_range+0x50/0x50
> [ 5179.067478]  [<ffffffff814d8c20>] ? xfs_qm_need_dqattach+0x80/0x80
> [ 5179.067478]  [<ffffffff81c4fb3e>] schedule_timeout_uninterruptible+0x1e/0x20
> [ 5179.067478]  [<ffffffff814d911b>] xfs_qm_dquot_walk+0x19b/0x1b0
> [ 5179.067478]  [<ffffffff81c54934>] ? _raw_spin_lock_irqsave+0x24/0x30
> [ 5179.067478]  [<ffffffff8174c3ad>] ? do_raw_spin_unlock+0x5d/0xb0
> [ 5179.067478]  [<ffffffff810a77e4>] ? flush_work+0x34/0x160
> [ 5179.067478]  [<ffffffff8109b354>] ? del_timer+0x54/0x70
> [ 5179.067478]  [<ffffffff810a9461>] ? try_to_grab_pending+0xd1/0x190
> [ 5179.067478]  [<ffffffff814d9170>] xfs_qm_dqpurge_all+0x40/0x90
> [ 5179.067478]  [<ffffffff814d9d65>] xfs_qm_unmount+0x25/0x40
> [ 5179.067478]  [<ffffffff8147065c>] xfs_unmountfs+0x7c/0x120
> [ 5179.067478]  [<ffffffff814735c5>] xfs_fs_put_super+0x25/0x60
> [ 5179.067478]  [<ffffffff81191aa1>] generic_shutdown_super+0x61/0xf0
> [ 5179.067478]  [<ffffffff81191b60>] kill_block_super+0x30/0x80
> [ 5179.067478]  [<ffffffff81191fdd>] deactivate_locked_super+0x4d/0x80
> [ 5179.067478]  [<ffffffff81192b8e>] deactivate_super+0x4e/0x70
> [ 5179.067478]  [<ffffffff811adaf1>] mntput_no_expire+0x101/0x160
> [ 5179.067478]  [<ffffffff811aec9c>] SyS_umount+0x9c/0x3a0
> [ 5179.067478]  [<ffffffff81c5d419>] system_call_fastpath+0x16/0x1b
> 
> Cheers,
> 
> Dave.


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  reply	other threads:[~2013-07-18 12:02 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-18 11:09 [regression 3.11-rc1] unmount hanging purging quotas Dave Chinner
2013-07-18 12:02 ` Jeff Liu [this message]
2013-07-18 13:58 ` Chandra Seetharaman
2013-07-18 16:33 ` Chandra Seetharaman

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