[ 1501.261288] sysrq: SysRq : Show Blocked State [ 1501.261292] task PC stack pid father [ 1501.261294] kworker/u12:0 D ffff88043fcd7480 0 6 2 0x00000000 [ 1501.261300] Workqueue: writeback wb_workfn (flush-259:0) [ 1501.261302] ffff88041121b148 0000000000000046 ffff88041122c240 ffff880411164240 [ 1501.261303] ffff88041121c000 ffff88040fb5cf30 ffff880411164240 0000000000000008 [ 1501.261305] ffff8801fcd70010 ffff88041121b160 ffffffff8195ce23 7fffffffffffffff [ 1501.261306] Call Trace: [ 1501.261311] [] schedule+0x33/0x80 [ 1501.261313] [] schedule_timeout+0x1fa/0x290 [ 1501.261316] [] ? down_trylock+0x2e/0x40 [ 1501.261318] [] ? xfs_buf_trylock+0x1c/0x90 [ 1501.261320] [] __down+0x72/0xc0 [ 1501.261321] [] ? _xfs_buf_find+0x1d7/0x370 [ 1501.261322] [] down+0x41/0x50 [ 1501.261324] [] xfs_buf_lock+0x3c/0xe0 [ 1501.261325] [] _xfs_buf_find+0x1d7/0x370 [ 1501.261326] [] xfs_buf_get_map+0x2a/0x180 [ 1501.261328] [] xfs_buf_read_map+0x2c/0x100 [ 1501.261330] [] xfs_trans_read_buf_map+0x1a5/0x360 [ 1501.261333] [] xfs_read_agf+0xb1/0x140 [ 1501.261334] [] xfs_alloc_read_agf+0x64/0x260 [ 1501.261335] [] xfs_alloc_fix_freelist+0x3b1/0x4d0 [ 1501.261338] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261340] [] ? xfs_perag_get+0x2a/0xc0 [ 1501.261341] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261342] [] ? xfs_perag_get+0x2a/0xc0 [ 1501.261344] [] xfs_alloc_vextent+0x22d/0x7f0 [ 1501.261345] [] xfs_bmap_btalloc+0x3c1/0x800 [ 1501.261347] [] ? xfs_iext_get_ext+0x95/0xf0 [ 1501.261349] [] xfs_bmap_alloc+0x24/0x30 [ 1501.261350] [] xfs_bmapi_write+0x6b3/0xf50 [ 1501.261353] [] xfs_iomap_write_allocate+0x141/0x330 [ 1501.261355] [] xfs_map_blocks+0x255/0x2f0 [ 1501.261357] [] xfs_vm_writepage+0x1aa/0x640 [ 1501.261359] [] __writepage+0x13/0x30 [ 1501.261361] [] write_cache_pages+0x224/0x4a0 [ 1501.261363] [] ? mod_timer+0x10f/0x210 [ 1501.261364] [] ? wb_position_ratio+0x1f0/0x1f0 [ 1501.261366] [] generic_writepages+0x51/0x80 [ 1501.261367] [] xfs_vm_writepages+0x3d/0x50 [ 1501.261369] [] do_writepages+0x1e/0x30 [ 1501.261371] [] __writeback_single_inode+0x45/0x290 [ 1501.261372] [] writeback_sb_inodes+0x264/0x4d0 [ 1501.261374] [] wb_writeback+0x106/0x2a0 [ 1501.261376] [] wb_workfn+0x108/0x390 [ 1501.261379] [] process_one_work+0x14b/0x3d0 [ 1501.261380] [] worker_thread+0x4e/0x450 [ 1501.261382] [] ? rescuer_thread+0x2f0/0x2f0 [ 1501.261383] [] kthread+0xd8/0xf0 [ 1501.261385] [] ? kthread_park+0x60/0x60 [ 1501.261386] [] ret_from_fork+0x3f/0x70 [ 1501.261388] [] ? kthread_park+0x60/0x60 [ 1501.261412] fio D ffff88043fd57480 0 3806 3734 0x00000000 [ 1501.261414] ffff88040f7231e8 0000000000000082 ffff88041122dcc0 ffff8801fcdc0000 [ 1501.261415] ffff88040f724000 ffff88040fb5cf30 ffff8801fcdc0000 0000000000000008 [ 1501.261417] ffff8801fcd70010 ffff88040f723200 ffffffff8195ce23 7fffffffffffffff [ 1501.261418] Call Trace: [ 1501.261420] [] schedule+0x33/0x80 [ 1501.261421] [] schedule_timeout+0x1fa/0x290 [ 1501.261423] [] ? xfs_buf_free+0xf3/0x140 [ 1501.261424] [] ? xfs_buf_get_map+0x170/0x180 [ 1501.261425] [] __down+0x72/0xc0 [ 1501.261427] [] ? _xfs_buf_find+0x1d7/0x370 [ 1501.261428] [] down+0x41/0x50 [ 1501.261429] [] xfs_buf_lock+0x3c/0xe0 [ 1501.261430] [] _xfs_buf_find+0x1d7/0x370 [ 1501.261432] [] xfs_buf_get_map+0x2a/0x180 [ 1501.261433] [] xfs_buf_read_map+0x2c/0x100 [ 1501.261435] [] xfs_trans_read_buf_map+0x1a5/0x360 [ 1501.261436] [] xfs_read_agf+0xb1/0x140 [ 1501.261437] [] xfs_alloc_read_agf+0x64/0x260 [ 1501.261438] [] xfs_alloc_fix_freelist+0x3b1/0x4d0 [ 1501.261440] [] ? xfs_bmap_add_extent_unwritten_real+0x3ee/0x1ae0 [ 1501.261441] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261443] [] ? xfs_perag_get+0x2a/0xc0 [ 1501.261444] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261445] [] ? xfs_perag_get+0x2a/0xc0 [ 1501.261447] [] xfs_alloc_vextent+0x22d/0x7f0 [ 1501.261448] [] xfs_bmap_btalloc+0x3c1/0x800 [ 1501.261449] [] ? xfs_iext_get_ext+0x95/0xf0 [ 1501.261451] [] xfs_bmap_alloc+0x24/0x30 [ 1501.261453] [] xfs_bmapi_write+0x6b3/0xf50 [ 1501.261455] [] xfs_iomap_write_direct+0x248/0x380 [ 1501.261457] [] __xfs_get_blocks+0x458/0x7b0 [ 1501.261459] [] xfs_get_blocks_direct+0x14/0x20 [ 1501.261461] [] do_blockdev_direct_IO+0xf8c/0x2bd0 [ 1501.261463] [] ? xfs_get_blocks+0x20/0x20 [ 1501.261465] [] __blockdev_direct_IO+0x43/0x50 [ 1501.261467] [] ? __xfs_end_io_direct_write+0xd0/0xd0 [ 1501.261469] [] xfs_vm_direct_IO+0xc1/0x120 [ 1501.261470] [] ? __xfs_end_io_direct_write+0xd0/0xd0 [ 1501.261472] [] xfs_file_dio_aio_write+0x1e8/0x3b0 [ 1501.261473] [] ? xfs_file_buffered_aio_write+0x250/0x250 [ 1501.261475] [] ? xfs_file_buffered_aio_write+0x250/0x250 [ 1501.261476] [] xfs_file_write_iter+0x81/0x120 [ 1501.261479] [] aio_run_iocb+0x26a/0x2d0 [ 1501.261480] [] ? aio_read_events+0x28d/0x380 [ 1501.261482] [] ? do_io_submit+0x198/0x4f0 [ 1501.261484] [] do_io_submit+0x257/0x4f0 [ 1501.261486] [] SyS_io_submit+0x10/0x20 [ 1501.261487] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 1501.261488] fio D ffff88043fc97480 0 3807 3734 0x00000000 [ 1501.261489] ffff88040fa1f1e8 0000000000000086 ffff88041122b500 ffff8801fcdc1a80 [ 1501.261491] ffff88040fa20000 ffff88040fb5cf30 ffff8801fcdc1a80 0000000000000008 [ 1501.261492] ffff8801fcd70010 ffff88040fa1f200 ffffffff8195ce23 7fffffffffffffff [ 1501.261493] Call Trace: [ 1501.261495] [] schedule+0x33/0x80 [ 1501.261496] [] schedule_timeout+0x1fa/0x290 [ 1501.261498] [] ? xfs_buf_free+0xf3/0x140 [ 1501.261499] [] __down+0x72/0xc0 [ 1501.261501] [] ? _xfs_buf_find+0x1d7/0x370 [ 1501.261502] [] down+0x41/0x50 [ 1501.261503] [] xfs_buf_lock+0x3c/0xe0 [ 1501.261504] [] _xfs_buf_find+0x1d7/0x370 [ 1501.261506] [] xfs_buf_get_map+0x2a/0x180 [ 1501.261507] [] xfs_buf_read_map+0x2c/0x100 [ 1501.261508] [] xfs_trans_read_buf_map+0x1a5/0x360 [ 1501.261510] [] xfs_read_agf+0xb1/0x140 [ 1501.261511] [] xfs_alloc_read_agf+0x64/0x260 [ 1501.261512] [] xfs_alloc_fix_freelist+0x3b1/0x4d0 [ 1501.261525] [] ? xfs_bmap_add_extent_unwritten_real+0x3ee/0x1ae0 [ 1501.261526] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261527] [] ? xfs_perag_get+0x2a/0xc0 [ 1501.261529] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261530] [] ? xfs_perag_get+0x2a/0xc0 [ 1501.261531] [] xfs_alloc_vextent+0x22d/0x7f0 [ 1501.261532] [] xfs_bmap_btalloc+0x3c1/0x800 [ 1501.261534] [] ? xfs_iext_get_ext+0x95/0xf0 [ 1501.261535] [] xfs_bmap_alloc+0x24/0x30 [ 1501.261537] [] xfs_bmapi_write+0x6b3/0xf50 [ 1501.261539] [] xfs_iomap_write_direct+0x248/0x380 [ 1501.261541] [] __xfs_get_blocks+0x458/0x7b0 [ 1501.261542] [] xfs_get_blocks_direct+0x14/0x20 [ 1501.261544] [] do_blockdev_direct_IO+0xf8c/0x2bd0 [ 1501.261546] [] ? xfs_get_blocks+0x20/0x20 [ 1501.261548] [] __blockdev_direct_IO+0x43/0x50 [ 1501.261549] [] ? __xfs_end_io_direct_write+0xd0/0xd0 [ 1501.261551] [] xfs_vm_direct_IO+0xc1/0x120 [ 1501.261552] [] ? __xfs_end_io_direct_write+0xd0/0xd0 [ 1501.261553] [] xfs_file_dio_aio_write+0x1e8/0x3b0 [ 1501.261555] [] ? xfs_file_buffered_aio_write+0x250/0x250 [ 1501.261556] [] xfs_file_write_iter+0x81/0x120 [ 1501.261558] [] aio_run_iocb+0x26a/0x2d0 [ 1501.261560] [] ? find_get_entries+0x169/0x1b0 [ 1501.261561] [] ? aio_read_events+0x28d/0x380 [ 1501.261563] [] ? do_io_submit+0x198/0x4f0 [ 1501.261564] [] do_io_submit+0x257/0x4f0 [ 1501.261566] [] SyS_io_submit+0x10/0x20 [ 1501.261567] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 1501.261568] fio D ffff88043fc57480 0 3808 3734 0x00000000 [ 1501.261570] ffff88040e1431e8 0000000000000086 ffff88041122a7c0 ffff8801fcdc27c0 [ 1501.261571] ffff88040e144000 ffff88040fb5cf30 ffff8801fcdc27c0 0000000000000008 [ 1501.261572] ffff8801fcd70010 ffff88040e143200 ffffffff8195ce23 7fffffffffffffff [ 1501.261573] Call Trace: [ 1501.261575] [] schedule+0x33/0x80 [ 1501.261576] [] schedule_timeout+0x1fa/0x290 [ 1501.261577] [] ? down_trylock+0x2e/0x40 [ 1501.261579] [] __down+0x72/0xc0 [ 1501.261580] [] ? _xfs_buf_find+0x1d7/0x370 [ 1501.261581] [] down+0x41/0x50 [ 1501.261583] [] xfs_buf_lock+0x3c/0xe0 [ 1501.261584] [] _xfs_buf_find+0x1d7/0x370 [ 1501.261585] [] xfs_buf_get_map+0x2a/0x180 [ 1501.261586] [] xfs_buf_read_map+0x2c/0x100 [ 1501.261588] [] xfs_trans_read_buf_map+0x1a5/0x360 [ 1501.261589] [] xfs_read_agf+0xb1/0x140 [ 1501.261590] [] xfs_alloc_read_agf+0x64/0x260 [ 1501.261591] [] xfs_alloc_fix_freelist+0x3b1/0x4d0 [ 1501.261593] [] ? xfs_bmap_add_extent_unwritten_real+0x3ee/0x1ae0 [ 1501.261594] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261595] [] ? xfs_perag_get+0x2a/0xc0 [ 1501.261596] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261597] [] ? xfs_perag_get+0x2a/0xc0 [ 1501.261599] [] xfs_alloc_vextent+0x22d/0x7f0 [ 1501.261600] [] xfs_bmap_btalloc+0x3c1/0x800 [ 1501.261601] [] ? xfs_iext_get_ext+0x95/0xf0 [ 1501.261603] [] xfs_bmap_alloc+0x24/0x30 [ 1501.261604] [] xfs_bmapi_write+0x6b3/0xf50 [ 1501.261605] [] ? xfs_iext_bno_to_irec+0xaa/0xf0 [ 1501.261607] [] xfs_iomap_write_direct+0x248/0x380 [ 1501.261609] [] __xfs_get_blocks+0x458/0x7b0 [ 1501.261611] [] xfs_get_blocks_direct+0x14/0x20 [ 1501.261613] [] do_blockdev_direct_IO+0xf8c/0x2bd0 [ 1501.261615] [] ? xfs_get_blocks+0x20/0x20 [ 1501.261616] [] __blockdev_direct_IO+0x43/0x50 [ 1501.261618] [] ? __xfs_end_io_direct_write+0xd0/0xd0 [ 1501.261619] [] xfs_vm_direct_IO+0xc1/0x120 [ 1501.261621] [] ? __xfs_end_io_direct_write+0xd0/0xd0 [ 1501.261622] [] xfs_file_dio_aio_write+0x1e8/0x3b0 [ 1501.261623] [] ? xfs_file_buffered_aio_write+0x250/0x250 [ 1501.261625] [] ? xfs_file_buffered_aio_write+0x250/0x250 [ 1501.261626] [] xfs_file_write_iter+0x81/0x120 [ 1501.261628] [] aio_run_iocb+0x26a/0x2d0 [ 1501.261629] [] ? aio_read_events+0x28d/0x380 [ 1501.261631] [] ? do_io_submit+0x198/0x4f0 [ 1501.261632] [] do_io_submit+0x257/0x4f0 [ 1501.261634] [] SyS_io_submit+0x10/0x20 [ 1501.261635] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 1501.261636] fio D ffff88043fcd7480 0 3809 3734 0x00000000 [ 1501.261638] ffff8801fce63b68 0000000000000082 ffff88041122c240 ffff8801fcdc6a00 [ 1501.261639] ffff8801fce64000 ffff8800363a0500 ffffffffffffffff ffffffff8140d664 [ 1501.261640] ffffffff8140dbb0 ffff8801fce63b80 ffffffff8195ce23 ffff8801fcdc6a00 [ 1501.261641] Call Trace: [ 1501.261643] [] ? xfs_file_dio_aio_write+0xb4/0x3b0 [ 1501.261644] [] ? xfs_file_buffered_aio_write+0x250/0x250 [ 1501.261645] [] schedule+0x33/0x80 [ 1501.261647] [] rwsem_down_read_failed+0xe4/0x140 [ 1501.261648] [] call_rwsem_down_read_failed+0x14/0x30 [ 1501.261650] [] ? down_read+0x20/0x30 [ 1501.261651] [] xfs_ilock+0x18b/0x1b0 [ 1501.261652] [] xfs_file_dio_aio_write+0xb4/0x3b0 [ 1501.261654] [] ? selinux_file_permission+0xc3/0x110 [ 1501.261656] [] ? xfs_file_buffered_aio_write+0x250/0x250 [ 1501.261657] [] xfs_file_write_iter+0x81/0x120 [ 1501.261658] [] aio_run_iocb+0x26a/0x2d0 [ 1501.261660] [] ? aio_read_events+0x28d/0x380 [ 1501.261662] [] ? do_io_submit+0x198/0x4f0 [ 1501.261663] [] do_io_submit+0x257/0x4f0 [ 1501.261665] [] SyS_io_submit+0x10/0x20 [ 1501.261666] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 1501.261667] fio D ffff88043fc57480 0 3810 3734 0x00000000 [ 1501.261668] ffff8800b00db1e8 0000000000000082 ffff88041122a7c0 ffff8801fcdc3500 [ 1501.261669] ffff8800b00dc000 ffff88040fb5cf30 ffff8801fcdc3500 0000000000000008 [ 1501.261671] ffff8801fcd70010 ffff8800b00db200 ffffffff8195ce23 7fffffffffffffff [ 1501.261672] Call Trace: [ 1501.261673] [] schedule+0x33/0x80 [ 1501.261675] [] schedule_timeout+0x1fa/0x290 [ 1501.261676] [] ? down_trylock+0x2e/0x40 [ 1501.261677] [] ? down_trylock+0x2e/0x40 [ 1501.261679] [] __down+0x72/0xc0 [ 1501.261680] [] ? _xfs_buf_find+0x190/0x370 [ 1501.261681] [] ? kmem_cache_alloc+0x1c6/0x1f0 [ 1501.261682] [] ? _xfs_buf_find+0x1d7/0x370 [ 1501.261684] [] down+0x41/0x50 [ 1501.261685] [] xfs_buf_lock+0x3c/0xe0 [ 1501.261686] [] _xfs_buf_find+0x1d7/0x370 [ 1501.261687] [] xfs_buf_get_map+0x2a/0x180 [ 1501.261688] [] xfs_buf_read_map+0x2c/0x100 [ 1501.261690] [] xfs_trans_read_buf_map+0x1a5/0x360 [ 1501.261691] [] xfs_read_agf+0xb1/0x140 [ 1501.261692] [] xfs_alloc_read_agf+0x64/0x260 [ 1501.261693] [] xfs_alloc_fix_freelist+0x3b1/0x4d0 [ 1501.261694] [] ? xfs_alloc_ag_vextent_near+0xaf2/0xce0 [ 1501.261696] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261697] [] ? xfs_perag_get+0x2a/0xc0 [ 1501.261698] [] xfs_alloc_vextent+0x22d/0x7f0 [ 1501.261700] [] xfs_bmap_btalloc+0x716/0x800 [ 1501.261701] [] ? xfs_iext_get_ext+0x95/0xf0 [ 1501.261702] [] xfs_bmap_alloc+0x24/0x30 [ 1501.261704] [] xfs_bmapi_write+0x6b3/0xf50 [ 1501.261706] [] xfs_iomap_write_direct+0x248/0x380 [ 1501.261708] [] __xfs_get_blocks+0x458/0x7b0 [ 1501.261709] [] xfs_get_blocks_direct+0x14/0x20 [ 1501.261711] [] do_blockdev_direct_IO+0xf8c/0x2bd0 [ 1501.261713] [] ? xfs_get_blocks+0x20/0x20 [ 1501.261715] [] __blockdev_direct_IO+0x43/0x50 [ 1501.261716] [] ? __xfs_end_io_direct_write+0xd0/0xd0 [ 1501.261718] [] xfs_vm_direct_IO+0xc1/0x120 [ 1501.261719] [] ? __xfs_end_io_direct_write+0xd0/0xd0 [ 1501.261720] [] xfs_file_dio_aio_write+0x1e8/0x3b0 [ 1501.261722] [] ? xfs_file_buffered_aio_write+0x250/0x250 [ 1501.261723] [] xfs_file_write_iter+0x81/0x120 [ 1501.261725] [] aio_run_iocb+0x26a/0x2d0 [ 1501.261726] [] ? aio_read_events+0x28d/0x380 [ 1501.261728] [] ? do_io_submit+0x198/0x4f0 [ 1501.261729] [] do_io_submit+0x257/0x4f0 [ 1501.261731] [] SyS_io_submit+0x10/0x20 [ 1501.261732] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 1501.261733] fio D ffff88043fd17480 0 3812 3734 0x00000000 [ 1501.261735] ffff8800b01ebb60 0000000000000086 ffff88041122cf80 ffff8800ba48c240 [ 1501.261737] ffff8804107e81e8 ffff8800b01ebb78 ffffffff8195ce23 ffff8800b01ebbec [ 1501.261740] [] schedule+0x33/0x80 [ 1501.261742] [] ? wait_woken+0x80/0x80 [ 1501.261746] [] xfs_flush_inodes+0x28/0x40 [ 1501.261748] [] ? xfs_file_buffered_aio_write+0x250/0x250 [ 1501.261754] [] ? do_io_submit+0x198/0x4f0 [ 1501.261758] [] SyS_io_submit+0x10/0x20 [ 1501.261760] xfs_io D ffff88043fc57480 0 4225 3474 0x00000000 [ 1501.261765] Call Trace: [ 1501.261767] [] schedule+0x33/0x80 [ 1501.261770] [] ? down_trylock+0x2e/0x40 [ 1501.261772] [] ? kmem_cache_alloc+0x1c6/0x1f0 [ 1501.261774] [] ? _xfs_buf_find+0x1d7/0x370 [ 1501.261777] [] xfs_buf_lock+0x3c/0xe0 [ 1501.261779] [] xfs_buf_get_map+0x2a/0x180 [ 1501.261783] [] xfs_read_agf+0xb1/0x140 [ 1501.261785] [] xfs_alloc_fix_freelist+0x3b1/0x4d0 [ 1501.261787] [] ? radix_tree_lookup+0xd/0x10 [ 1501.261792] [] xfs_free_extent+0xd2/0x160 [ 1501.261795] [] xfs_bmap_finish+0x120/0x150 [ 1501.261798] [] xfs_setattr_size+0x3a7/0x440 [ 1501.261801] [] notify_change+0x237/0x350 [ 1501.261805] [] do_sys_ftruncate.constprop.15+0xe9/0x140