From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A8F037F4E for ; Thu, 18 Jul 2013 06:09:43 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 381D5AC00A for ; Thu, 18 Jul 2013 04:09:39 -0700 (PDT) Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id 6HLBzMXBSdcSbsaB for ; Thu, 18 Jul 2013 04:09:37 -0700 (PDT) Date: Thu, 18 Jul 2013 21:09:31 +1000 From: Dave Chinner Subject: [regression 3.11-rc1] unmount hanging purging quotas Message-ID: <20130718110931.GA13468@dastard> MIME-Version: 1.0 Content-Disposition: inline List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com Cc: Chandra Seetharaman 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? # 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] [] schedule+0x29/0x70 [ 5179.067478] [] schedule_timeout+0x10b/0x1f0 [ 5179.067478] [] ? usleep_range+0x50/0x50 [ 5179.067478] [] ? xfs_qm_need_dqattach+0x80/0x80 [ 5179.067478] [] schedule_timeout_uninterruptible+0x1e/0x20 [ 5179.067478] [] xfs_qm_dquot_walk+0x19b/0x1b0 [ 5179.067478] [] ? _raw_spin_lock_irqsave+0x24/0x30 [ 5179.067478] [] ? do_raw_spin_unlock+0x5d/0xb0 [ 5179.067478] [] ? flush_work+0x34/0x160 [ 5179.067478] [] ? del_timer+0x54/0x70 [ 5179.067478] [] ? try_to_grab_pending+0xd1/0x190 [ 5179.067478] [] xfs_qm_dqpurge_all+0x40/0x90 [ 5179.067478] [] xfs_qm_unmount+0x25/0x40 [ 5179.067478] [] xfs_unmountfs+0x7c/0x120 [ 5179.067478] [] xfs_fs_put_super+0x25/0x60 [ 5179.067478] [] generic_shutdown_super+0x61/0xf0 [ 5179.067478] [] kill_block_super+0x30/0x80 [ 5179.067478] [] deactivate_locked_super+0x4d/0x80 [ 5179.067478] [] deactivate_super+0x4e/0x70 [ 5179.067478] [] mntput_no_expire+0x101/0x160 [ 5179.067478] [] SyS_umount+0x9c/0x3a0 [ 5179.067478] [] system_call_fastpath+0x16/0x1b Cheers, Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs