xfs hang in 3.14.15

DISCUSSION Bill 3 participants 4 messages Aug 5, 2014 – Aug 8, 2014 1 message not in the archive

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Bill

author

2014-08-05 00:26 UTC #0 lore raw

Hi,

I've been running a stress test on 3.14.15 and eventually my xfs filesystem hangs. Both 3.10.50 and 3.16 seem to work ok.

The test is a continual loop building a kernel. Once it hangs, the machine needs to be hard reset.

xfs_info shows this:

meta-data=/dev/md3               isize=256    agcount=16, agsize=1627664 blks
         =                       sectsz=4096  attr=2
data     =                       bsize=4096   blocks=26042624, imaxpct=25
         =                       sunit=16     swidth=80 blks
naming   =version 2              bsize=4096   ascii-ci=0
log      =internal               bsize=4096   blocks=12716, version=2
         =                       sectsz=4096  sunit=1 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0

It's on a raid5, although I've gotten the hang on a regular single disk fs as well.

md3 : active raid5 sda1[0] sdf1[5] sde1[4] sdd1[3] sdc1[2] sdb1[1]

      104171200 blocks level 5, 64k chunk, algorithm 2 [6/6] [UUUUUU]
      bitmap: 0/5 pages [0KB], 2048KB chunk

Here's the mount options:
/dev/md3 on /mnt/md3 type xfs (rw,noatime,swalloc)

Things usually run well for a while before hanging - in this instance it ran nearly 24 hours before it hung.

A whole bunch of message info is below. Any idea what's happening here?

Thanks
Bill

/var/log/messages shows this shortly after the hang:

Aug  4 17:34:34 xplane kernel: kworker/u16:0   D 00000286     0 26574      2 0x00000000
Aug  4 17:34:34 xplane kernel: Workqueue: writeback bdi_writeback_workfn (flush-9:3)
Aug  4 17:34:34 xplane kernel: kworker/0:1     D ea649638     0 17883      2 0x00000000
Aug  4 17:34:34 xplane kernel: Workqueue: xfs-log/md3 xfs_log_worker [xfs]
Aug  4 17:34:34 xplane kernel: sh              D 00000000     0 3237   3234 0x00000000
Aug  4 17:34:34 xplane kernel: mv              D c1506cc8     0 17651  13354 0x00000000
Aug  4 17:34:34 xplane kernel: recordmcount    D 00000000     0 17655  17580 0x00000000
Aug  4 17:34:34 xplane kernel: sh              D 00001000     0 17677  17675 0x00000000
Aug  4 17:36:34 xplane kernel: kworker/u16:0   D 00000286     0 26574      2 0x00000000
Aug  4 17:36:34 xplane kernel: Workqueue: writeback bdi_writeback_workfn (flush-9:3)
Aug  4 17:36:34 xplane kernel: kworker/0:1     D ea649638     0 17883      2 0x00000000
Aug  4 17:36:34 xplane kernel: Workqueue: xfs-log/md3 xfs_log_worker [xfs]
Aug  4 17:36:34 xplane kernel: sh              D 00000000     0 3237   3234 0x00000000
Aug  4 17:36:34 xplane kernel: mv              D c1506cc8     0 17651  13354 0x00000000

and dmesg is here:

INFO: task kworker/u16:0:26574 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u16:0   D 00000286     0 26574      2 0x00000000
Workqueue: writeback bdi_writeback_workfn (flush-9:3)
 ce385b84 00000046 df51bb30 00000286 f3e8a097 df51ba78 df51bb30 c1787600
 c1787600 c16a5e40 d03a3160 00000065 ce385b64 f3e8b14f 00000004 f3ec8986
 e65bccf8 ce385b80 c10f457e dcc9e740 e925e800 e92b2e00 000000fa e8593c00
Call Trace:
 [<f3e8a097>] ? xfs_trans_free+0x57/0x60 [xfs]
 [<f3e8b14f>] ? xfs_trans_commit+0x12f/0x230 [xfs]
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3e6ce18>] xfs_setfilesize_trans_alloc.isra.7+0x38/0x90 [xfs]
 [<f3e6da05>] xfs_vm_writepage+0x465/0x580 [xfs]
 [<c10cb6d0>] __writepage+0x10/0x40
 [<c10cb6c0>] ? mapping_tagged+0x20/0x20
 [<c10cbbd0>] write_cache_pages+0x170/0x3d0
 [<c10cb6c0>] ? mapping_tagged+0x20/0x20
 [<c12814f6>] ? blk_flush_plug_list+0x86/0x1b0
 [<c10cbe63>] generic_writepages+0x33/0x60
 [<f3e6c8a3>] xfs_vm_writepages+0x33/0x40 [xfs]
 [<c10cd31a>] do_writepages+0x1a/0x40
 [<c111b6b2>] __writeback_single_inode+0x42/0x1f0
 [<c106f2ec>] ? wake_up_bit+0x1c/0x20
 [<c111c413>] writeback_sb_inodes+0x193/0x2e0
 [<c111c5dc>] __writeback_inodes_wb+0x7c/0xb0
 [<c111c7e2>] wb_writeback+0x1d2/0x270
 [<c111ccbc>] bdi_writeback_workfn+0x20c/0x380
 [<c1050b08>] process_one_work+0x108/0x340
 [<c1046045>] ? mod_timer+0xd5/0x180
 [<c1051621>] worker_thread+0x101/0x330
 [<c1051520>] ? manage_workers.isra.28+0x250/0x250
 [<c10566a1>] kthread+0xa1/0xc0
 [<c150e1b7>] ret_from_kernel_thread+0x1b/0x28
 [<c1056600>] ? kthread_create_on_node+0x110/0x110
INFO: task kworker/0:1:17883 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:1     D ea649638     0 17883      2 0x00000000
Workqueue: xfs-log/md3 xfs_log_worker [xfs]
 e385be50 00000046 00000001 ea649638 ced77c5f 00004ed9 ea649638 c1787600
 c1787600 e741b1a0 e0f872a0 e385be84 c106aaec 00000000 00000000 f3ec8986
 e2c8bda8 e385be4c c10f457e 00000000 00000000 0000b40e 000000fa e8593c00
Call Trace:
 [<c106aaec>] ? load_balance+0x16c/0x5b0
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3e7abd4>] xfs_fs_log_dummy+0x34/0x80 [xfs]
 [<f3ecba1f>] xfs_log_worker+0x3f/0x50 [xfs]
 [<c1050b08>] process_one_work+0x108/0x340
 [<c104fdc3>] ? destroy_worker+0x83/0xc0
 [<c1051475>] ? manage_workers.isra.28+0x1a5/0x250
 [<c1051621>] worker_thread+0x101/0x330
 [<c1051520>] ? manage_workers.isra.28+0x250/0x250
 [<c10566a1>] kthread+0xa1/0xc0
 [<c150e1b7>] ret_from_kernel_thread+0x1b/0x28
 [<c1056600>] ? kthread_create_on_node+0x110/0x110
INFO: task sh:3237 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
sh D 00000000 0 3237 3234 0x00000000
c094dd48 00000082 00000000 00000000 c094dd04 f3ec8b16 e8593e04 c1787600 c1787600 ea18f630 e741ad50 e8593c00 e8593e00 e8593c74 c094dd24 f3ec8986 c697c058 c094dd44 c10f457e c094dd2c c10379be ea81d180 000000fa e8593c00

Call Trace:
 [<f3ec8b16>] ? xlog_grant_head_wake+0x56/0xc0 [xfs]
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<c10379be>] ? kmap_atomic_prot+0x3e/0xd0
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3e811b8>] xfs_vn_update_time+0x58/0x150 [xfs]
 [<f3e81160>] ? xfs_vn_getattr+0x200/0x200 [xfs]
 [<c110df5e>] update_time+0x1e/0xa0
 [<c110e15b>] file_update_time+0x6b/0xa0
 [<f3e7868d>] xfs_file_aio_write_checks+0x8d/0x140 [xfs]
 [<f3e787a8>] xfs_file_buffered_aio_write+0x68/0x180 [xfs]
 [<c10e1ff5>] ? do_wp_page+0x2e5/0x740
 [<f3e78989>] xfs_file_aio_write+0xc9/0x180 [xfs]
 [<c10f8187>] do_sync_write+0x57/0x90
 [<c10f8130>] ? do_sync_read+0x90/0x90
 [<c10f88e0>] vfs_write+0x90/0x180
 [<c10f8f2c>] SyS_write+0x4c/0xb0
 [<c1507148>] syscall_call+0x7/0x7
INFO: task mv:17651 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
mv D c1506cc8 0 17651 13354 0x00000000
cfbabd0c 00000086 cfbabca0 c1506cc8 00000001 c16e4c74 00000003 c1787600 c1787600 ea15ed50 cace76b0 c106f28f 00000000 00000000 00000001 f3ec8986 c697c108 cfbabd08 c10f457e c14de398 00000000 ce29bd80 000000fa e8593c00

Call Trace:
 [<c1506cc8>] ? _raw_spin_unlock_bh+0x18/0x20
 [<c106f28f>] ? __wake_up+0x3f/0x50
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<c14de398>] ? rpc_release_client+0x78/0x80
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3ebc6bb>] xfs_rename+0xeb/0x5a0 [xfs]
 [<c1101c46>] ? inode_permission+0x16/0x50
 [<c11081a4>] ? filldir64+0x44/0x110
 [<f3e813ab>] xfs_vn_rename+0x8b/0xa0 [xfs]
 [<c11058ce>] vfs_rename+0x4fe/0x510
 [<c1100f44>] ? lookup_dcache+0x24/0xa0
 [<c11064ce>] SyS_renameat+0x21e/0x340
 [<c150a25f>] ? __do_page_fault+0x28f/0x4d0
 [<c110661d>] SyS_rename+0x2d/0x30
 [<c1507148>] syscall_call+0x7/0x7
INFO: task recordmcount:17655 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
recordmcount D 00000000 0 17655 17580 0x00000000
dbf57d48 00000086 00000000 00000000 c14e099e c5690160 e8593e04 c1787600 c1787600 e9989670 d01551e0 e8593c00 e8593e00 e8593c74 dbf57d24 f3ec8986 cf59aa38 dbf57d44 c10f457e cf72c73c 00000000 dbf57d2c 000000fa e8593c00

Call Trace:
 [<c14e099e>] ? xprt_release+0x11e/0x250
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3e811b8>] xfs_vn_update_time+0x58/0x150 [xfs]
 [<f3e81160>] ? xfs_vn_getattr+0x200/0x200 [xfs]
 [<c110df5e>] update_time+0x1e/0xa0
 [<c110e15b>] file_update_time+0x6b/0xa0
 [<f3e7868d>] xfs_file_aio_write_checks+0x8d/0x140 [xfs]
 [<f3e787a8>] xfs_file_buffered_aio_write+0x68/0x180 [xfs]
 [<f3e78989>] xfs_file_aio_write+0xc9/0x180 [xfs]
 [<c10f8187>] do_sync_write+0x57/0x90
 [<c10f8130>] ? do_sync_read+0x90/0x90
 [<c10f88e0>] vfs_write+0x90/0x180
 [<c10f8f2c>] SyS_write+0x4c/0xb0
 [<c1507148>] syscall_call+0x7/0x7
INFO: task sh:17677 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
sh D 00001000 0 17677 17675 0x00000000
e3d73cd4 00000086 dc9e2420 00001000 e3d73c90 c1122497 f0bbcb20 c1787600 c1787600 c16a5e40 e91bbb40 00000287 00000001 00000288 e93b5400 f3ec8986 c63862a8 e3d73cd0 c10f457e e3d73cd0 c112259b 00001287 000000fa e8593c00

Call Trace:
 [<c1122497>] ? __block_commit_write.isra.18+0x67/0x90
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<c112259b>] ? generic_write_end+0x7b/0xb0
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3ebb1b3>] xfs_create+0x113/0x490 [xfs]
 [<f3e814d4>] xfs_vn_mknod+0x84/0xe0 [xfs]
 [<f3e8156a>] xfs_vn_create+0x1a/0x20 [xfs]
 [<c110240c>] vfs_create+0x9c/0xe0
 [<c110439a>] do_last.isra.46+0x7aa/0xbf0
 [<c1101e6d>] ? link_path_walk+0x1ed/0x6f0
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<c110488c>] path_openat+0xac/0x590
 [<c10e3a32>] ? handle_mm_fault+0x132/0x850
 [<c1105b11>] do_filp_open+0x31/0x80
 [<c10f7c21>] do_sys_open+0x121/0x220
 [<c1049d07>] ? sigprocmask+0x67/0xb0
 [<c10f7d42>] SyS_open+0x22/0x30
 [<c1507148>] syscall_call+0x7/0x7
INFO: task kworker/u16:0:26574 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u16:0   D 00000286     0 26574      2 0x00000000
Workqueue: writeback bdi_writeback_workfn (flush-9:3)
 ce385b84 00000046 df51bb30 00000286 f3e8a097 df51ba78 df51bb30 c1787600
 c1787600 c16a5e40 d03a3160 00000065 ce385b64 f3e8b14f 00000004 f3ec8986
 e65bccf8 ce385b80 c10f457e dcc9e740 e925e800 e92b2e00 000000fa e8593c00
Call Trace:
 [<f3e8a097>] ? xfs_trans_free+0x57/0x60 [xfs]
 [<f3e8b14f>] ? xfs_trans_commit+0x12f/0x230 [xfs]
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3e6ce18>] xfs_setfilesize_trans_alloc.isra.7+0x38/0x90 [xfs]
 [<f3e6da05>] xfs_vm_writepage+0x465/0x580 [xfs]
 [<c10cb6d0>] __writepage+0x10/0x40
 [<c10cb6c0>] ? mapping_tagged+0x20/0x20
 [<c10cbbd0>] write_cache_pages+0x170/0x3d0
 [<c10cb6c0>] ? mapping_tagged+0x20/0x20
 [<c12814f6>] ? blk_flush_plug_list+0x86/0x1b0
 [<c10cbe63>] generic_writepages+0x33/0x60
 [<f3e6c8a3>] xfs_vm_writepages+0x33/0x40 [xfs]
 [<c10cd31a>] do_writepages+0x1a/0x40
 [<c111b6b2>] __writeback_single_inode+0x42/0x1f0
 [<c106f2ec>] ? wake_up_bit+0x1c/0x20
 [<c111c413>] writeback_sb_inodes+0x193/0x2e0
 [<c111c5dc>] __writeback_inodes_wb+0x7c/0xb0
 [<c111c7e2>] wb_writeback+0x1d2/0x270
 [<c111ccbc>] bdi_writeback_workfn+0x20c/0x380
 [<c1050b08>] process_one_work+0x108/0x340
 [<c1046045>] ? mod_timer+0xd5/0x180
 [<c1051621>] worker_thread+0x101/0x330
 [<c1051520>] ? manage_workers.isra.28+0x250/0x250
 [<c10566a1>] kthread+0xa1/0xc0
 [<c150e1b7>] ret_from_kernel_thread+0x1b/0x28
 [<c1056600>] ? kthread_create_on_node+0x110/0x110
INFO: task kworker/0:1:17883 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:1     D ea649638     0 17883      2 0x00000000
Workqueue: xfs-log/md3 xfs_log_worker [xfs]
 e385be50 00000046 00000001 ea649638 ced77c5f 00004ed9 ea649638 c1787600
 c1787600 e741b1a0 e0f872a0 e385be84 c106aaec 00000000 00000000 f3ec8986
 e2c8bda8 e385be4c c10f457e 00000000 00000000 0000b40e 000000fa e8593c00
Call Trace:
 [<c106aaec>] ? load_balance+0x16c/0x5b0
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3e7abd4>] xfs_fs_log_dummy+0x34/0x80 [xfs]
 [<f3ecba1f>] xfs_log_worker+0x3f/0x50 [xfs]
 [<c1050b08>] process_one_work+0x108/0x340
 [<c104fdc3>] ? destroy_worker+0x83/0xc0
 [<c1051475>] ? manage_workers.isra.28+0x1a5/0x250
 [<c1051621>] worker_thread+0x101/0x330
 [<c1051520>] ? manage_workers.isra.28+0x250/0x250
 [<c10566a1>] kthread+0xa1/0xc0
 [<c150e1b7>] ret_from_kernel_thread+0x1b/0x28
 [<c1056600>] ? kthread_create_on_node+0x110/0x110
INFO: task sh:3237 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1

Call Trace:
 [<f3ec8b16>] ? xlog_grant_head_wake+0x56/0xc0 [xfs]
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<c10379be>] ? kmap_atomic_prot+0x3e/0xd0
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3e811b8>] xfs_vn_update_time+0x58/0x150 [xfs]
 [<f3e81160>] ? xfs_vn_getattr+0x200/0x200 [xfs]
 [<c110df5e>] update_time+0x1e/0xa0
 [<c110e15b>] file_update_time+0x6b/0xa0
 [<f3e7868d>] xfs_file_aio_write_checks+0x8d/0x140 [xfs]
 [<f3e787a8>] xfs_file_buffered_aio_write+0x68/0x180 [xfs]
 [<c10e1ff5>] ? do_wp_page+0x2e5/0x740
 [<f3e78989>] xfs_file_aio_write+0xc9/0x180 [xfs]
 [<c10f8187>] do_sync_write+0x57/0x90
 [<c10f8130>] ? do_sync_read+0x90/0x90
 [<c10f88e0>] vfs_write+0x90/0x180
 [<c10f8f2c>] SyS_write+0x4c/0xb0
 [<c1507148>] syscall_call+0x7/0x7
INFO: task mv:17651 blocked for more than 120 seconds.
      Tainted: P           O 3.14.15fe-dirty #1

Call Trace:
 [<c1506cc8>] ? _raw_spin_unlock_bh+0x18/0x20
 [<c106f28f>] ? __wake_up+0x3f/0x50
 [<f3ec8986>] ? xlog_space_left+0x26/0xa0 [xfs]
 [<c10f457e>] ? kmem_cache_alloc+0xae/0x110
 [<c14de398>] ? rpc_release_client+0x78/0x80
 [<f3ec8aa1>] ? xlog_grant_push_ail+0xa1/0xc0 [xfs]
 [<c1504b03>] schedule+0x23/0x60
 [<f3ec8c35>] xlog_grant_head_wait+0x75/0x130 [xfs]
 [<f3ec8d62>] xlog_grant_head_check+0x72/0xc0 [xfs]
 [<f3ecc0cf>] xfs_log_reserve+0xbf/0x160 [xfs]
 [<f3e8a444>] xfs_trans_reserve+0x214/0x220 [xfs]
 [<f3ebc6bb>] xfs_rename+0xeb/0x5a0 [xfs]
 [<c1101c46>] ? inode_permission+0x16/0x50
 [<c11081a4>] ? filldir64+0x44/0x110
 [<f3e813ab>] xfs_vn_rename+0x8b/0xa0 [xfs]
 [<c11058ce>] vfs_rename+0x4fe/0x510
 [<c1100f44>] ? lookup_dcache+0x24/0xa0
 [<c11064ce>] SyS_renameat+0x21e/0x340
 [<c150a25f>] ? __do_page_fault+0x28f/0x4d0
 [<c110661d>] SyS_rename+0x2d/0x30
 [<c1507148>] syscall_call+0x7/0x7

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Dave Chinner

2014-08-05 01:18 UTC #1 lore raw

Quoted 4 lines · Bill

Hi,
I've been running a stress test on 3.14.15 and eventually my xfs filesystem hangs. Both 3.10.50 and 3.16 seem to work ok.

log space hang.

110dc24 xfs: log vector rounding leaks log space

Cheers,

Dave.

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Dave Chinner
[email protected]

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Greg KH

2014-08-07 21:10 UTC #3 lore raw

Quoted 10 lines · Bill

Quoted 9 lines · Dave Chinner
Quoted 4 lines · Bill
Hi,
I've been running a stress test on 3.14.15 and eventually my xfs filesystem hangs. Both 3.10.50 and 3.16 seem to work ok.
log space hang.
110dc24 xfs: log vector rounding leaks log space

Quoted 8 lines

Quoted 3 lines
Cheers,
Dave.
Thanks Dave, that helped.
Greg, Please consider this for inclusion in 3.14.y. It fixed an xfs hang I had on 3.14.15

Dave, any objection for me to include it?

thanks,

greg k-h

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Dave Chinner

2014-08-08 07:39 UTC #4 lore raw

Quoted 13 lines · Greg KH

Quoted 12 lines · Bill
Quoted 11 lines · Dave Chinner
Quoted 4 lines · Bill
Hi,
I've been running a stress test on 3.14.15 and eventually my xfs filesystem hangs. Both 3.10.50 and 3.16 seem to work ok.
log space hang.
110dc24 xfs: log vector rounding leaks log space
Cheers,

Quoted 8 lines

Quoted 6 lines
Quoted 1 line
Dave.
Thanks Dave, that helped.
Greg, Please consider this for inclusion in 3.14.y. It fixed an xfs hang I had on 3.14.15
Dave, any objection for me to include it?

Go ahead, Greg. FWIW, if you are doing another 3.15 release, it is needed there as well as this fix didn't go in until 3.16-rc1....

Thanks!

-Dave.

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Dave Chinner
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