Hi, while running 3.0.78 and doing heavy rsync tasks on a raid 50 i'm gettig these call traces: [396113.710927] INFO: task rsync:25944 blocked for more than 120 seconds. [396113.760608] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [396113.811356] rsync D ffff88042eb70560 0 25944 25943 0x00000000 [396113.861996] ffff88000ef4b218 0000000000000082 ffff88000ef4b1f8 0000000000000000 [396113.912069] 0000000000010800 ffff88000ef4bfd8 ffff88000ef4a010 0000000000010800 [396113.962197] ffff88000ef4bfd8 0000000000010800 ffffffff81a0b020 ffff88042eb70000 [396114.013067] Call Trace: [396114.063597] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [396114.114651] [<ffffffff8147ae65>] schedule_timeout+0x1d5/0x2b0 [396114.165719] [<ffffffff811f9ec0>] ? xfs_btree_log_keys+0x50/0x90 [396114.216982] [<ffffffff81078be2>] ? down_trylock+0x32/0x50 [396114.268645] [<ffffffff8147bc59>] __down+0x69/0xb0 [396114.320322] [<ffffffff812366d6>] ? _xfs_buf_find+0xf6/0x270 [396114.371695] [<ffffffff81078c9c>] down+0x3c/0x50 [396114.422894] [<ffffffff81235ab0>] xfs_buf_lock+0x40/0xe0 [396114.474072] [<ffffffff812366d6>] _xfs_buf_find+0xf6/0x270 [396114.524772] [<ffffffff812368a9>] xfs_buf_get+0x59/0x190 [396114.575620] [<ffffffff81236f07>] xfs_buf_read+0x27/0x100 [396114.625803] [<ffffffff8122d118>] xfs_trans_read_buf+0x1e8/0x410 [396114.676022] [<ffffffff811e3741>] xfs_read_agf+0x61/0x1a0 [396114.725920] [<ffffffff811e38b4>] xfs_alloc_read_agf+0x34/0xd0 [396114.776482] [<ffffffff811e6c11>] xfs_alloc_fix_freelist+0x401/0x470 [396114.826416] [<ffffffff811ef165>] ? xfs_bmap_search_multi_extents+0xa5/0x110 [396114.876304] [<ffffffff81226c73>] ? xfs_perag_get+0x33/0xb0 [396114.924793] [<ffffffff811e6f73>] ? xfs_alloc_vextent+0x1d3/0x580 [396114.972421] [<ffffffff811e6f0b>] xfs_alloc_vextent+0x16b/0x580 [396115.019255] [<ffffffff811f0e77>] xfs_bmap_btalloc+0x257/0x6e0 [396115.065919] [<ffffffff811f1309>] xfs_bmap_alloc+0x9/0x10 [396115.112754] [<ffffffff811f77fe>] xfs_bmapi+0x99e/0x1090 [396115.158908] [<ffffffff811ef165>] ? xfs_bmap_search_multi_extents+0xa5/0x110 [396115.204162] [<ffffffff81232127>] ? kmem_zone_alloc+0x77/0xf0 [396115.247605] [<ffffffff81218bb6>] xfs_iomap_write_allocate+0x176/0x330 [396115.291805] [<ffffffff81234051>] xfs_map_blocks+0x1d1/0x260 [396115.335010] [<ffffffff812342a2>] xfs_vm_writepage+0x1c2/0x500 [396115.378068] [<ffffffff810cd832>] __writepage+0x12/0x40 [396115.420772] [<ffffffff810cea59>] write_cache_pages+0x239/0x4d0 [396115.466613] [<ffffffff810cd820>] ? set_page_dirty+0x70/0x70 [396115.512538] [<ffffffff810ced3c>] generic_writepages+0x4c/0x70 [396115.555134] [<ffffffff81232dff>] xfs_vm_writepages+0x4f/0x60 [396115.597647] [<ffffffff810ced7c>] do_writepages+0x1c/0x40 [396115.640635] [<ffffffff810c4cab>] __filemap_fdatawrite_range+0x5b/0x60 [396115.682990] [<ffffffff810c4f4e>] filemap_fdatawrite_range+0xe/0x10 [396115.724450] [<ffffffff812399c7>] xfs_flush_pages+0x67/0xb0 [396115.765531] [<ffffffff8122fc7a>] xfs_setattr+0x9da/0xa80 [396115.806444] [<ffffffff8123c8a6>] xfs_vn_setattr+0x16/0x20 [396115.846806] [<ffffffff8112d9bd>] notify_change+0x11d/0x300 [396115.887020] [<ffffffff8111328c>] do_truncate+0x5c/0x90 [396115.926632] [<ffffffff81113387>] sys_ftruncate+0xc7/0xd0 [396115.965535] [<ffffffff8147d2bb>] system_call_fastpath+0x16/0x1b [396116.003705] INFO: task rsync:16891 blocked for more than 120 seconds. [396116.041978] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [396116.080957] rsync D ffff880044d9b5a0 0 16891 16890 0x00000000 [396116.120493] ffff88062b129b68 0000000000000086 0000000000000000 ffff880400000001 [396116.160730] 0000000000010800 ffff88062b129fd8 ffff88062b128010 0000000000010800 [396116.200394] ffff88062b129fd8 0000000000010800 ffffffff81a0b020 ffff880044d9b040 [396116.240183] Call Trace: [396116.279644] [<ffffffff81108e3b>] ? kmem_cache_free+0x1b/0xf0 [396116.320904] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [396116.360893] [<ffffffff8147c6bd>] rwsem_down_failed_common+0xbd/0x150 [396116.401765] [<ffffffff8147c763>] rwsem_down_write_failed+0x13/0x20 [396116.442829] [<ffffffff812861c3>] call_rwsem_down_write_failed+0x13/0x20 [396116.483521] [<ffffffff8147bac0>] ? down_write+0x20/0x30 [396116.524244] [<ffffffff8121244e>] xfs_ilock+0x7e/0xd0 [396116.564991] [<ffffffff81239107>] xfs_file_aio_write_checks+0x47/0x150 [396116.606056] [<ffffffff8123951d>] xfs_file_buffered_aio_write+0x6d/0x180 [396116.647785] [<ffffffff812397d3>] xfs_file_aio_write+0x1a3/0x2b0 [396116.689301] [<ffffffff811142a2>] do_sync_write+0xd2/0x110 [396116.730611] [<ffffffff8104d6ce>] ? perf_event_task_sched_out+0x2e/0x90 [396116.772345] [<ffffffff8147cc8e>] ? common_interrupt+0xe/0x13 [396116.814509] [<ffffffff8107dbc8>] ? ktime_get_ts+0xa8/0xe0 [396116.855862] [<ffffffff811147b8>] vfs_write+0xc8/0x190 [396116.896935] [<ffffffff8111496c>] sys_write+0x4c/0x90 [396116.937889] [<ffffffff8147d2bb>] system_call_fastpath+0x16/0x1b [412651.656492] INFO: task flush-8:16:5619 blocked for more than 120 seconds. [412651.698333] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [412651.741269] flush-8:16 D ffff88042e6635a0 0 5619 2 0x00000000 [412651.785328] ffff88042da27120 0000000000000046 ffff88042e3c86a8 0000000000000024 [412651.829433] 0000000000010800 ffff88042da27fd8 ffff88042da26010 0000000000010800 [412651.873521] ffff88042da27fd8 0000000000010800 ffff88042f89c860 ffff88042e663040 [412651.917893] Call Trace: [412651.961539] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [412652.005977] [<ffffffff8147ae65>] schedule_timeout+0x1d5/0x2b0 [412652.050757] [<ffffffff8122cd90>] ? xfs_trans_log_buf+0x90/0xd0 [412652.095552] [<ffffffff811f9ec0>] ? xfs_btree_log_keys+0x50/0x90 [412652.139883] [<ffffffff8147bc59>] __down+0x69/0xb0 [412652.184525] [<ffffffff812366d6>] ? _xfs_buf_find+0xf6/0x270 [412652.228969] [<ffffffff81078c9c>] down+0x3c/0x50 [412652.273330] [<ffffffff81235ab0>] xfs_buf_lock+0x40/0xe0 [412652.317308] [<ffffffff812366d6>] _xfs_buf_find+0xf6/0x270 [412652.361185] [<ffffffff812368a9>] xfs_buf_get+0x59/0x190 [412652.404909] [<ffffffff81236f07>] xfs_buf_read+0x27/0x100 [412652.448291] [<ffffffff8122d118>] xfs_trans_read_buf+0x1e8/0x410 [412652.492152] [<ffffffff811e3741>] xfs_read_agf+0x61/0x1a0 [412652.535849] [<ffffffff811e38b4>] xfs_alloc_read_agf+0x34/0xd0 [412652.579896] [<ffffffff811e6c11>] xfs_alloc_fix_freelist+0x401/0x470 [412652.624049] [<ffffffff8127a109>] ? cpumask_next_and+0x29/0x50 [412652.667864] [<ffffffff810fe9de>] ? alloc_pages_current+0x7e/0xe0 [412652.711426] [<ffffffff81226c73>] ? xfs_perag_get+0x33/0xb0 [412652.754460] [<ffffffff811e6f73>] ? xfs_alloc_vextent+0x1d3/0x580 [412652.796510] [<ffffffff811e6f0b>] xfs_alloc_vextent+0x16b/0x580 [412652.838066] [<ffffffff811f0e77>] xfs_bmap_btalloc+0x257/0x6e0 [412652.879153] [<ffffffff81212c73>] ? xfs_iext_get_ext+0x33/0x80 [412652.920043] [<ffffffff811f1309>] xfs_bmap_alloc+0x9/0x10 [412652.960023] [<ffffffff811f77fe>] xfs_bmapi+0x99e/0x1090 [412652.999673] [<ffffffff811ef165>] ? xfs_bmap_search_multi_extents+0xa5/0x110 [412653.039712] [<ffffffff81212c73>] ? xfs_iext_get_ext+0x33/0x80 [412653.079928] [<ffffffff81218bb6>] xfs_iomap_write_allocate+0x176/0x330 [412653.120173] [<ffffffff81234051>] xfs_map_blocks+0x1d1/0x260 [412653.160213] [<ffffffff812342a2>] xfs_vm_writepage+0x1c2/0x500 [412653.202678] [<ffffffff810cd832>] __writepage+0x12/0x40 [412653.245561] [<ffffffff810cea59>] write_cache_pages+0x239/0x4d0 [412653.285796] [<ffffffff810cd820>] ? set_page_dirty+0x70/0x70 [412653.325281] [<ffffffff810ced3c>] generic_writepages+0x4c/0x70 [412653.364922] [<ffffffff81232dff>] xfs_vm_writepages+0x4f/0x60 [412653.404711] [<ffffffff810ced7c>] do_writepages+0x1c/0x40 [412653.443941] [<ffffffff81138454>] writeback_single_inode+0xf4/0x260 [412653.483453] [<ffffffff81138955>] writeback_sb_inodes+0xe5/0x1b0 [412653.523014] [<ffffffff81138db9>] writeback_inodes_wb+0x99/0x160 [412653.561999] [<ffffffff811396f3>] wb_writeback+0x2f3/0x450 [412653.601805] [<ffffffff8147cc8e>] ? common_interrupt+0xe/0x13 [412653.641066] [<ffffffff81139a6f>] wb_do_writeback+0x21f/0x270 [412653.679713] [<ffffffff81139b5a>] bdi_writeback_thread+0x9a/0x230 [412653.717842] [<ffffffff81139ac0>] ? wb_do_writeback+0x270/0x270 [412653.755257] [<ffffffff81139ac0>] ? wb_do_writeback+0x270/0x270 [412653.791866] [<ffffffff81073286>] kthread+0x96/0xa0 [412653.827748] [<ffffffff8147e314>] kernel_thread_helper+0x4/0x10 [412653.863566] [<ffffffff810731f0>] ? kthread_worker_fn+0x130/0x130 [412653.898946] [<ffffffff8147e310>] ? gs_change+0xb/0xb [412653.934129] INFO: task rsync:16475 blocked for more than 120 seconds. [412653.969849] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [412654.006947] rsync D ffff88042e660560 0 16475 16474 0x00000000 [412654.044772] ffff880487331218 0000000000000082 ffff88042e3c86a8 0000000000000003 [412654.083421] 0000000000010800 ffff880487331fd8 ffff880487330010 0000000000010800 [412654.122261] ffff880487331fd8 0000000000010800 ffff8801fefcc860 ffff88042e660000 [412654.161041] Call Trace: [412654.199520] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [412654.238551] [<ffffffff8147ae65>] schedule_timeout+0x1d5/0x2b0 [412654.277727] [<ffffffff811f9ec0>] ? xfs_btree_log_keys+0x50/0x90 [412654.319874] [<ffffffff81078be2>] ? down_trylock+0x32/0x50 [412654.361564] [<ffffffff8147bc59>] __down+0x69/0xb0 [412654.400663] [<ffffffff812366d6>] ? _xfs_buf_find+0xf6/0x270 [412654.440047] [<ffffffff81078c9c>] down+0x3c/0x50 [412654.479105] [<ffffffff81235ab0>] xfs_buf_lock+0x40/0xe0 [412654.518100] [<ffffffff812366d6>] _xfs_buf_find+0xf6/0x270 [412654.557207] [<ffffffff812368a9>] xfs_buf_get+0x59/0x190 [412654.596206] [<ffffffff81236f07>] xfs_buf_read+0x27/0x100 [412654.634624] [<ffffffff8122d118>] xfs_trans_read_buf+0x1e8/0x410 [412654.673479] [<ffffffff811e3741>] xfs_read_agf+0x61/0x1a0 [412654.712002] [<ffffffff811e38b4>] xfs_alloc_read_agf+0x34/0xd0 [412654.750449] [<ffffffff811e6c11>] xfs_alloc_fix_freelist+0x401/0x470 [412654.789052] [<ffffffff811f59ef>] ? xfs_bmap_add_extent_delay_real+0x64f/0x1700 [412654.828682] [<ffffffff81226c73>] ? xfs_perag_get+0x33/0xb0 [412654.867729] [<ffffffff811e6f73>] ? xfs_alloc_vextent+0x1d3/0x580 [412654.906586] [<ffffffff811e6f0b>] xfs_alloc_vextent+0x16b/0x580 [412654.945568] [<ffffffff811f0e77>] xfs_bmap_btalloc+0x257/0x6e0 [412654.984313] [<ffffffff811f1309>] xfs_bmap_alloc+0x9/0x10 [412655.023299] [<ffffffff811f77fe>] xfs_bmapi+0x99e/0x1090 [412655.061549] [<ffffffff811ef165>] ? xfs_bmap_search_multi_extents+0xa5/0x110 [412655.101113] [<ffffffff81218bb6>] xfs_iomap_write_allocate+0x176/0x330 [412655.140458] [<ffffffff81234051>] xfs_map_blocks+0x1d1/0x260 [412655.179687] [<ffffffff812342a2>] xfs_vm_writepage+0x1c2/0x500 [412655.219207] [<ffffffff810cd832>] __writepage+0x12/0x40 [412655.258002] [<ffffffff810cea59>] write_cache_pages+0x239/0x4d0 [412655.296797] [<ffffffff810cd820>] ? set_page_dirty+0x70/0x70 [412655.336008] [<ffffffff810ced3c>] generic_writepages+0x4c/0x70 [412655.375370] [<ffffffff81232dff>] xfs_vm_writepages+0x4f/0x60 [412655.414534] [<ffffffff810ced7c>] do_writepages+0x1c/0x40 [412655.454009] [<ffffffff810c4cab>] __filemap_fdatawrite_range+0x5b/0x60 [412655.493627] [<ffffffff810c4f4e>] filemap_fdatawrite_range+0xe/0x10 [412655.533156] [<ffffffff812399c7>] xfs_flush_pages+0x67/0xb0 [412655.572856] [<ffffffff8122fc7a>] xfs_setattr+0x9da/0xa80 [412655.613257] [<ffffffff8123c8a6>] xfs_vn_setattr+0x16/0x20 [412655.653033] [<ffffffff8112d9bd>] notify_change+0x11d/0x300 [412655.692725] [<ffffffff8111328c>] do_truncate+0x5c/0x90 [412655.731966] [<ffffffff81113387>] sys_ftruncate+0xc7/0xd0 [412655.771199] [<ffffffff8147d2bb>] system_call_fastpath+0x16/0x1b [412655.810243] INFO: task rsync:30660 blocked for more than 120 seconds. [412655.848982] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [412655.888250] rsync D ffff88042d871d80 0 30660 30659 0x00000000 [412655.927393] ffff880415137218 0000000000000086 ffff8804151371a8 ffffffff81078be2 [412655.967391] 0000000000010800 ffff880415137fd8 ffff880415136010 0000000000010800 [412656.007316] ffff880415137fd8 0000000000010800 ffffffff81a0b020 ffff88042d871820 [412656.046983] Call Trace: [412656.085817] [<ffffffff81078be2>] ? down_trylock+0x32/0x50 [412656.126302] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [412656.166035] [<ffffffff8147ae65>] schedule_timeout+0x1d5/0x2b0 [412656.206776] [<ffffffff812321d5>] ? kmem_zone_zalloc+0x35/0x50 [412656.250152] [<ffffffff8122cd90>] ? xfs_trans_log_buf+0x90/0xd0 [412656.291970] [<ffffffff8147bc59>] __down+0x69/0xb0 [412656.331764] [<ffffffff812366d6>] ? _xfs_buf_find+0xf6/0x270 [412656.371898] [<ffffffff81078c9c>] down+0x3c/0x50 [412656.411888] [<ffffffff81235ab0>] xfs_buf_lock+0x40/0xe0 [412656.452059] [<ffffffff812366d6>] _xfs_buf_find+0xf6/0x270 [412656.492297] [<ffffffff812368a9>] xfs_buf_get+0x59/0x190 [412656.532531] [<ffffffff81236f07>] xfs_buf_read+0x27/0x100 [412656.572399] [<ffffffff8122d118>] xfs_trans_read_buf+0x1e8/0x410 [412656.612389] [<ffffffff811e3741>] xfs_read_agf+0x61/0x1a0 [412656.652851] [<ffffffff811e38b4>] xfs_alloc_read_agf+0x34/0xd0 [412656.692462] [<ffffffff811e6c11>] xfs_alloc_fix_freelist+0x401/0x470 [412656.731749] [<ffffffff811ef165>] ? xfs_bmap_search_multi_extents+0xa5/0x110 [412656.771739] [<ffffffff81226c73>] ? xfs_perag_get+0x33/0xb0 [412656.811371] [<ffffffff811e6f73>] ? xfs_alloc_vextent+0x1d3/0x580 [412656.850939] [<ffffffff811e6f0b>] xfs_alloc_vextent+0x16b/0x580 [412656.890922] [<ffffffff811f0e77>] xfs_bmap_btalloc+0x257/0x6e0 [412656.930893] [<ffffffff811f1309>] xfs_bmap_alloc+0x9/0x10 [412656.970295] [<ffffffff811f77fe>] xfs_bmapi+0x99e/0x1090 [412657.009689] [<ffffffff811ef165>] ? xfs_bmap_search_multi_extents+0xa5/0x110 [412657.049157] [<ffffffff81232127>] ? kmem_zone_alloc+0x77/0xf0 [412657.088642] [<ffffffff81218bb6>] xfs_iomap_write_allocate+0x176/0x330 [412657.128997] [<ffffffff81234051>] xfs_map_blocks+0x1d1/0x260 [412657.169076] [<ffffffff812342a2>] xfs_vm_writepage+0x1c2/0x500 [412657.209303] [<ffffffff810cd832>] __writepage+0x12/0x40 [412657.249098] [<ffffffff810cea59>] write_cache_pages+0x239/0x4d0 [412657.288823] [<ffffffff810cd820>] ? set_page_dirty+0x70/0x70 [412657.328563] [<ffffffff810ced3c>] generic_writepages+0x4c/0x70 [412657.368193] [<ffffffff81232dff>] xfs_vm_writepages+0x4f/0x60 [412657.407870] [<ffffffff810ced7c>] do_writepages+0x1c/0x40 [412657.447095] [<ffffffff810c4cab>] __filemap_fdatawrite_range+0x5b/0x60 [412657.487191] [<ffffffff810c4f4e>] filemap_fdatawrite_range+0xe/0x10 [412657.527229] [<ffffffff812399c7>] xfs_flush_pages+0x67/0xb0 [412657.567153] [<ffffffff8122fc7a>] xfs_setattr+0x9da/0xa80 [412657.607216] [<ffffffff8123c8a6>] xfs_vn_setattr+0x16/0x20 [412657.647641] [<ffffffff8112d9bd>] notify_change+0x11d/0x300 [412657.687480] [<ffffffff8111328c>] do_truncate+0x5c/0x90 [412657.726860] [<ffffffff81113387>] sys_ftruncate+0xc7/0xd0 [412657.765326] [<ffffffff8147d2bb>] system_call_fastpath+0x16/0x1b [412657.803043] INFO: task rsync:16891 blocked for more than 120 seconds. [412657.840819] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [412657.879354] rsync D ffff880044d9b5a0 0 16891 16890 0x00000000 [412657.917922] ffff88062b129b68 0000000000000086 0000000000000000 ffff880200000001 [412657.956861] 0000000000010800 ffff88062b129fd8 ffff88062b128010 0000000000010800 [412657.996037] ffff88062b129fd8 0000000000010800 ffffffff81a0b020 ffff880044d9b040 [412658.035286] Call Trace: [412658.074171] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [412658.113709] [<ffffffff8147c6bd>] rwsem_down_failed_common+0xbd/0x150 [412658.154355] [<ffffffff8147c763>] rwsem_down_write_failed+0x13/0x20 [412658.194313] [<ffffffff812861c3>] call_rwsem_down_write_failed+0x13/0x20 [412658.234820] [<ffffffff8147bac0>] ? down_write+0x20/0x30 [412658.275104] [<ffffffff8121244e>] xfs_ilock+0x7e/0xd0 [412658.315310] [<ffffffff81239107>] xfs_file_aio_write_checks+0x47/0x150 [412658.355943] [<ffffffff8123951d>] xfs_file_buffered_aio_write+0x6d/0x180 [412658.396638] [<ffffffff812397d3>] xfs_file_aio_write+0x1a3/0x2b0 [412658.437447] [<ffffffff811142a2>] do_sync_write+0xd2/0x110 [412658.478284] [<ffffffff8107dbc8>] ? ktime_get_ts+0xa8/0xe0 [412658.519038] [<ffffffff811147b8>] vfs_write+0xc8/0x190 [412658.559661] [<ffffffff8111496c>] sys_write+0x4c/0x90 [412658.599950] [<ffffffff8147d2bb>] system_call_fastpath+0x16/0x1b [412658.640329] INFO: task rsync:27527 blocked for more than 120 seconds. [412658.681340] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [412658.723153] rsync D ffff88042dde4dc0 0 27527 5627 0x00000000 [412658.765631] ffff88000c999808 0000000000000086 ffff88042dd4f2e8 ffffc90000000000 [412658.808827] 0000000000010800 ffff88000c999fd8 ffff88000c998010 0000000000010800 [412658.852414] ffff88000c999fd8 0000000000010800 ffff88042f991820 ffff88042dde4860 [412658.896628] Call Trace: [412658.939953] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [412658.984168] [<ffffffff8147ae65>] schedule_timeout+0x1d5/0x2b0 [412659.027943] [<ffffffff81078be2>] ? down_trylock+0x32/0x50 [412659.071098] [<ffffffff81235b7a>] ? xfs_buf_cond_lock+0x2a/0xc0 [412659.114604] [<ffffffff81078be2>] ? down_trylock+0x32/0x50 [412659.157907] [<ffffffff8147bc59>] __down+0x69/0xb0 [412659.201369] [<ffffffff812366d6>] ? _xfs_buf_find+0xf6/0x270 [412659.246860] [<ffffffff81078c9c>] down+0x3c/0x50 [412659.293899] [<ffffffff81235ab0>] xfs_buf_lock+0x40/0xe0 [412659.337497] [<ffffffff812366d6>] _xfs_buf_find+0xf6/0x270 [412659.380474] [<ffffffff812368a9>] xfs_buf_get+0x59/0x190 [412659.423531] [<ffffffff81236f07>] xfs_buf_read+0x27/0x100 [412659.466079] [<ffffffff8122d118>] xfs_trans_read_buf+0x1e8/0x410 [412659.508637] [<ffffffff811e3741>] xfs_read_agf+0x61/0x1a0 [412659.551046] [<ffffffff811e38b4>] xfs_alloc_read_agf+0x34/0xd0 [412659.593820] [<ffffffff811e6c11>] xfs_alloc_fix_freelist+0x401/0x470 [412659.636680] [<ffffffff81108e3b>] ? kmem_cache_free+0x1b/0xf0 [412659.679799] [<ffffffff8122a0ae>] ? xfs_trans_free_item_desc+0x2e/0x30 [412659.723313] [<ffffffff8122a1e7>] ? xfs_trans_free_items+0x87/0xb0 [412659.766472] [<ffffffff81226c73>] ? xfs_perag_get+0x33/0xb0 [412659.808765] [<ffffffff811e6d17>] ? xfs_free_extent+0x97/0x120 [412659.850247] [<ffffffff811e6d28>] xfs_free_extent+0xa8/0x120 [412659.891039] [<ffffffff81232127>] ? kmem_zone_alloc+0x77/0xf0 [412659.931242] [<ffffffff811f01cd>] xfs_bmap_finish+0x15d/0x1a0 [412659.970975] [<ffffffff8121717f>] xfs_itruncate_finish+0x15f/0x330 [412660.010652] [<ffffffff8122ebe3>] xfs_inactive+0x313/0x470 [412660.049573] [<ffffffff8123f2ba>] xfs_fs_evict_inode+0xba/0x100 [412660.087971] [<ffffffff8112c99b>] evict+0x7b/0x140 [412660.126324] [<ffffffff8112cdd8>] iput_final+0xc8/0x180 [412660.164635] [<ffffffff8112cec3>] iput+0x33/0x40 [412660.202813] [<ffffffff811230c4>] do_unlinkat+0x164/0x1c0 [412660.240689] [<ffffffff81130ed8>] ? mntput+0x18/0x30 [412660.278332] [<ffffffff811162bd>] ? fput+0x1d/0x30 [412660.315609] [<ffffffff811126d0>] ? filp_close+0x60/0x90 [412660.352846] [<ffffffff81123131>] sys_unlink+0x11/0x20 [412660.389835] [<ffffffff8147d2bb>] system_call_fastpath+0x16/0x1b [417932.351148] INFO: task flush-8:16:5619 blocked for more than 120 seconds. [417932.389328] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [417932.428412] flush-8:16 D ffff88042e6635a0 0 5619 2 0x00000000 [417932.468679] ffff88042da27120 0000000000000046 ffff88042e3c86a8 000000000000001e [417932.509997] 0000000000010800 ffff88042da27fd8 ffff88042da26010 0000000000010800 [417932.550591] ffff88042da27fd8 0000000000010800 ffff8801fefcc860 ffff88042e663040 [417932.590999] Call Trace: [417932.629814] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [417932.668838] [<ffffffff8147ae65>] schedule_timeout+0x1d5/0x2b0 [417932.707796] [<ffffffff811fa733>] ? xfs_btree_del_cursor+0x63/0x70 [417932.746792] [<ffffffff81078be2>] ? down_trylock+0x32/0x50 [417932.784584] [<ffffffff8147bc59>] __down+0x69/0xb0 [417932.822045] [<ffffffff812366d6>] ? _xfs_buf_find+0xf6/0x270 [417932.860343] [<ffffffff81078c9c>] down+0x3c/0x50 [417932.897945] [<ffffffff81235ab0>] xfs_buf_lock+0x40/0xe0 [417932.935951] [<ffffffff812366d6>] _xfs_buf_find+0xf6/0x270 [417932.973550] [<ffffffff812368a9>] xfs_buf_get+0x59/0x190 [417933.011390] [<ffffffff81236f07>] xfs_buf_read+0x27/0x100 [417933.048936] [<ffffffff8122d118>] xfs_trans_read_buf+0x1e8/0x410 [417933.086642] [<ffffffff811e3741>] xfs_read_agf+0x61/0x1a0 [417933.124124] [<ffffffff811e38b4>] xfs_alloc_read_agf+0x34/0xd0 [417933.161818] [<ffffffff811e6c11>] xfs_alloc_fix_freelist+0x401/0x470 [417933.199627] [<ffffffff810fe9de>] ? alloc_pages_current+0x7e/0xe0 [417933.237788] [<ffffffff81226c73>] ? xfs_perag_get+0x33/0xb0 [417933.276072] [<ffffffff811e6f73>] ? xfs_alloc_vextent+0x1d3/0x580 [417933.314175] [<ffffffff811e6f0b>] xfs_alloc_vextent+0x16b/0x580 [417933.352335] [<ffffffff811f0e77>] xfs_bmap_btalloc+0x257/0x6e0 [417933.390764] [<ffffffff81212c73>] ? xfs_iext_get_ext+0x33/0x80 [417933.428967] [<ffffffff811f1309>] xfs_bmap_alloc+0x9/0x10 [417933.466814] [<ffffffff811f77fe>] xfs_bmapi+0x99e/0x1090 [417933.504962] [<ffffffff811ef165>] ? xfs_bmap_search_multi_extents+0xa5/0x110 [417933.543502] [<ffffffff81212c73>] ? xfs_iext_get_ext+0x33/0x80 [417933.582007] [<ffffffff81218bb6>] xfs_iomap_write_allocate+0x176/0x330 [417933.620741] [<ffffffff81234051>] xfs_map_blocks+0x1d1/0x260 [417933.659551] [<ffffffff812342a2>] xfs_vm_writepage+0x1c2/0x500 [417933.698203] [<ffffffff810cd832>] __writepage+0x12/0x40 [417933.736676] [<ffffffff810cea59>] write_cache_pages+0x239/0x4d0 [417933.775417] [<ffffffff810cd820>] ? set_page_dirty+0x70/0x70 [417933.814118] [<ffffffff810ced3c>] generic_writepages+0x4c/0x70 [417933.852705] [<ffffffff81232dff>] xfs_vm_writepages+0x4f/0x60 [417933.891799] [<ffffffff810ced7c>] do_writepages+0x1c/0x40 [417933.930897] [<ffffffff81138454>] writeback_single_inode+0xf4/0x260 [417933.970365] [<ffffffff81138955>] writeback_sb_inodes+0xe5/0x1b0 [417934.009561] [<ffffffff81138db9>] writeback_inodes_wb+0x99/0x160 [417934.048630] [<ffffffff811396f3>] wb_writeback+0x2f3/0x450 [417934.087944] [<ffffffff8147cc8e>] ? common_interrupt+0xe/0x13 [417934.127261] [<ffffffff81139a6f>] wb_do_writeback+0x21f/0x270 [417934.166603] [<ffffffff81139b5a>] bdi_writeback_thread+0x9a/0x230 [417934.205473] [<ffffffff81139ac0>] ? wb_do_writeback+0x270/0x270 [417934.243674] [<ffffffff81139ac0>] ? wb_do_writeback+0x270/0x270 [417934.280260] [<ffffffff81073286>] kthread+0x96/0xa0 [417934.316477] [<ffffffff8147e314>] kernel_thread_helper+0x4/0x10 [417934.352432] [<ffffffff810731f0>] ? kthread_worker_fn+0x130/0x130 [417934.388926] [<ffffffff8147e310>] ? gs_change+0xb/0xb [417934.424356] INFO: task rsync:16475 blocked for more than 120 seconds. [417934.459973] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [417934.497620] rsync D ffff88042e660560 0 16475 16474 0x00000000 [417934.538513] ffff880487331218 0000000000000082 ffff8804873311a8 ffffffff00000000 [417934.579249] 0000000000010800 ffff880487331fd8 ffff880487330010 0000000000010800 [417934.617923] ffff880487331fd8 0000000000010800 ffff88042fa1e080 ffff88042e660000 [417934.656752] Call Trace: [417934.695112] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [417934.734191] [<ffffffff8147ae65>] schedule_timeout+0x1d5/0x2b0 [417934.773444] [<ffffffff812321d5>] ? kmem_zone_zalloc+0x35/0x50 [417934.812649] [<ffffffff81078be2>] ? down_trylock+0x32/0x50 [417934.852084] [<ffffffff8147bc59>] __down+0x69/0xb0 [417934.891346] [<ffffffff812366d6>] ? _xfs_buf_find+0xf6/0x270 [417934.931227] [<ffffffff81078c9c>] down+0x3c/0x50 [417934.970405] [<ffffffff81235ab0>] xfs_buf_lock+0x40/0xe0 [417935.009641] [<ffffffff812366d6>] _xfs_buf_find+0xf6/0x270 [417935.048842] [<ffffffff812368a9>] xfs_buf_get+0x59/0x190 [417935.087990] [<ffffffff81236f07>] xfs_buf_read+0x27/0x100 [417935.126664] [<ffffffff8122d118>] xfs_trans_read_buf+0x1e8/0x410 [417935.165700] [<ffffffff811e3741>] xfs_read_agf+0x61/0x1a0 [417935.204566] [<ffffffff811e38b4>] xfs_alloc_read_agf+0x34/0xd0 [417935.243406] [<ffffffff811e6c11>] xfs_alloc_fix_freelist+0x401/0x470 [417935.282639] [<ffffffff811ef165>] ? xfs_bmap_search_multi_extents+0xa5/0x110 [417935.322257] [<ffffffff81226c73>] ? xfs_perag_get+0x33/0xb0 [417935.361292] [<ffffffff811e6f73>] ? xfs_alloc_vextent+0x1d3/0x580 [417935.400613] [<ffffffff811e6f0b>] xfs_alloc_vextent+0x16b/0x580 [417935.439495] [<ffffffff811f0e77>] xfs_bmap_btalloc+0x257/0x6e0 [417935.478274] [<ffffffff811f1309>] xfs_bmap_alloc+0x9/0x10 [417935.517264] [<ffffffff811f77fe>] xfs_bmapi+0x99e/0x1090 [417935.555550] [<ffffffff811ef165>] ? xfs_bmap_search_multi_extents+0xa5/0x110 [417935.594479] [<ffffffff81232127>] ? kmem_zone_alloc+0x77/0xf0 [417935.633438] [<ffffffff81218bb6>] xfs_iomap_write_allocate+0x176/0x330 [417935.672722] [<ffffffff81234051>] xfs_map_blocks+0x1d1/0x260 [417935.712129] [<ffffffff812342a2>] xfs_vm_writepage+0x1c2/0x500 [417935.751264] [<ffffffff810cd832>] __writepage+0x12/0x40 [417935.789867] [<ffffffff810cea59>] write_cache_pages+0x239/0x4d0 [417935.828959] [<ffffffff810cd820>] ? set_page_dirty+0x70/0x70 [417935.868322] [<ffffffff81134688>] ? generic_getxattr+0x88/0x90 [417935.907789] [<ffffffff810ced3c>] generic_writepages+0x4c/0x70 [417935.947262] [<ffffffff81232dff>] xfs_vm_writepages+0x4f/0x60 [417935.986511] [<ffffffff810ced7c>] do_writepages+0x1c/0x40 [417936.025537] [<ffffffff810c4cab>] __filemap_fdatawrite_range+0x5b/0x60 [417936.065140] [<ffffffff810c4f4e>] filemap_fdatawrite_range+0xe/0x10 [417936.105320] [<ffffffff812399c7>] xfs_flush_pages+0x67/0xb0 [417936.145237] [<ffffffff8122fc7a>] xfs_setattr+0x9da/0xa80 [417936.185206] [<ffffffff8123c8a6>] xfs_vn_setattr+0x16/0x20 [417936.224767] [<ffffffff8112d9bd>] notify_change+0x11d/0x300 [417936.264369] [<ffffffff8111328c>] do_truncate+0x5c/0x90 [417936.303371] [<ffffffff81113387>] sys_ftruncate+0xc7/0xd0 [417936.341555] [<ffffffff8147d2bb>] system_call_fastpath+0x16/0x1b [417936.379030] INFO: task rsync:25549 blocked for more than 120 seconds. [417936.417012] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [417936.455324] rsync D ffff88042daa35a0 0 25549 5627 0x00000000 [417936.493927] ffff8801fd84b808 0000000000000082 ffff8801fd84b7b8 0000000000000000 [417936.532884] 0000000000010800 ffff8801fd84bfd8 ffff8801fd84a010 0000000000010800 [417936.571574] ffff8801fd84bfd8 0000000000010800 ffffffff81a0b020 ffff88042daa3040 [417936.611035] Call Trace: [417936.649563] [<ffffffff8147aa2a>] schedule+0x3a/0x60 [417936.688577] [<ffffffff8147ae65>] schedule_timeout+0x1d5/0x2b0 [417936.728017] [<ffffffff81201098>] ? xfs_da_do_buf+0x5f8/0x760 [417936.767408] [<ffffffff81232127>] ? kmem_zone_alloc+0x77/0xf0 [417936.806501] [<ffffffff8147bc59>] __down+0x69/0xb0 [417936.845640] [<ffffffff812366d6>] ? _xfs_buf_find+0xf6/0x270 [417936.885062] [<ffffffff81078c9c>] down+0x3c/0x50 [417936.925012] [<ffffffff81235ab0>] xfs_buf_lock+0x40/0xe0 [417936.964598] [<ffffffff812366d6>] _xfs_buf_find+0xf6/0x270 [417937.004007] [<ffffffff812368a9>] xfs_buf_get+0x59/0x190 [417937.043544] [<ffffffff81236f07>] xfs_buf_read+0x27/0x100 [417937.082900] [<ffffffff8122d118>] xfs_trans_read_buf+0x1e8/0x410 [417937.122465] [<ffffffff811e3741>] xfs_read_agf+0x61/0x1a0 [417937.161379] [<ffffffff811e38b4>] xfs_alloc_read_agf+0x34/0xd0 [417937.200439] [<ffffffff811e6c11>] xfs_alloc_fix_freelist+0x401/0x470 [417937.239532] [<ffffffff81108e3b>] ? kmem_cache_free+0x1b/0xf0 [417937.278505] [<ffffffff8122a0ae>] ? xfs_trans_free_item_desc+0x2e/0x30 [417937.317752] [<ffffffff8122a1e7>] ? xfs_trans_free_items+0x87/0xb0 [417937.356843] [<ffffffff81226c73>] ? xfs_perag_get+0x33/0xb0 [417937.396008] [<ffffffff811e6d17>] ? xfs_free_extent+0x97/0x120 [417937.435181] [<ffffffff811e6d28>] xfs_free_extent+0xa8/0x120 [417937.473635] [<ffffffff81232127>] ? kmem_zone_alloc+0x77/0xf0 [417937.511878] [<ffffffff811f01cd>] xfs_bmap_finish+0x15d/0x1a0 [417937.553173] [<ffffffff8121717f>] xfs_itruncate_finish+0x15f/0x330 [417937.595039] [<ffffffff8122ebe3>] xfs_inactive+0x313/0x470 [417937.633483] [<ffffffff8123f2ba>] xfs_fs_evict_inode+0xba/0x100 [417937.671809] [<ffffffff8112c99b>] evict+0x7b/0x140 [417937.710082] [<ffffffff8112cdd8>] iput_final+0xc8/0x180 [417937.748325] [<ffffffff8112cec3>] iput+0x33/0x40 [417937.786032] [<ffffffff811230c4>] do_unlinkat+0x164/0x1c0 [417937.823972] [<ffffffff81114815>] ? vfs_write+0x125/0x190 [417937.861674] [<ffffffff81002dcb>] ? math_state_restore+0x3b/0x70 [417937.899449] [<ffffffff81123131>] sys_unlink+0x11/0x20 [417937.936815] [<ffffffff8147d2bb>] system_call_fastpath+0x16/0x1b Any ideas what this is? mount options are:rw,noatime,nodiratime,inode64,logbufs=8,logbsize=256k Greets, Stefan _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs