On Thu, 2013-07-18 at 21:09 +1000, 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? > I have been running xfstests successfully with CONFIG_XFS_DEBUG turned on in every patchset I have posted recently, and I have not seen any difference in behavior between the tree without my patchset and with my patchset. One difference I see is that one of my patches is not in the tree yet. I will test with the master tree as it is and report back. Chandra > # 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. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
