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  1. Aug 19 00:33:54 kernel: [ 9720.015602] INFO: task kworker/u12:1:1643 blocked for more than 120 seconds.
  2. Aug 19 00:33:54 kernel: [ 9720.015640] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  3. Aug 19 00:33:54 kernel: [ 9720.015673] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  4. Aug 19 00:33:54 kernel: [ 9720.015709] kworker/u12:1 D ffff8800912d36c8 0 1643 2 0x00000000
  5. Aug 19 00:33:54 kernel: [ 9720.015719] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
  6. Aug 19 00:33:54 kernel: [ 9720.015722] ffff8800912d36c8 ffff880095aea740 0000000000013e80 ffff8800912d3fd8
  7. Aug 19 00:33:54 kernel: [ 9720.015724] 0000000000013e80 ffff88071c1189d0 ffff880095aea740 ffff88083ffa4de8
  8. Aug 19 00:33:54 kernel: [ 9720.015726] ffff88083fc94778 ffff88083ffa4de8 ffff8800912d3770 0000000000000002
  9. Aug 19 00:33:54 kernel: [ 9720.015729] Call Trace:
  10. Aug 19 00:33:54 kernel: [ 9720.015736] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  11. Aug 19 00:33:54 kernel: [ 9720.015739] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  12. Aug 19 00:33:54 kernel: [ 9720.015742] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  13. Aug 19 00:33:54 kernel: [ 9720.015744] [<ffffffff817b2e2b>] __wait_on_bit_lock+0x4b/0xb0
  14. Aug 19 00:33:54 kernel: [ 9720.015749] [<ffffffff81175aae>] __lock_page+0xae/0xb0
  15. Aug 19 00:33:54 kernel: [ 9720.015753] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  16. Aug 19 00:33:54 kernel: [ 9720.015786] [<ffffffffc02fad9d>] lock_delalloc_pages+0x13d/0x1d0 [btrfs]
  17. Aug 19 00:33:54 kernel: [ 9720.015802] [<ffffffffc02fd53b>] find_lock_delalloc_range.constprop.46+0x14b/0x1f0 [btrfs]
  18. Aug 19 00:33:54 kernel: [ 9720.015816] [<ffffffffc02fdd30>] ? end_extent_writepage+0xa0/0xa0 [btrfs]
  19. Aug 19 00:33:54 kernel: [ 9720.015829] [<ffffffffc02fd65b>] writepage_delalloc.isra.32+0x7b/0x150 [btrfs]
  20. Aug 19 00:33:54 kernel: [ 9720.015842] [<ffffffffc02fe7fb>] __extent_writepage+0xbb/0x2a0 [btrfs]
  21. Aug 19 00:33:54 kernel: [ 9720.015855] [<ffffffffc02fed1a>] extent_write_cache_pages.isra.28.constprop.45+0x33a/0x3f0 [btrfs]
  22. Aug 19 00:33:54 kernel: [ 9720.015869] [<ffffffffc030074d>] extent_writepages+0x4d/0x70 [btrfs]
  23. Aug 19 00:33:54 kernel: [ 9720.015882] [<ffffffffc02e3ed0>] ? btrfs_submit_direct+0x7a0/0x7a0 [btrfs]
  24. Aug 19 00:33:54 kernel: [ 9720.015894] [<ffffffffc02e0ec8>] btrfs_writepages+0x28/0x30 [btrfs]
  25. Aug 19 00:33:54 kernel: [ 9720.015897] [<ffffffff811822de>] do_writepages+0x1e/0x40
  26. Aug 19 00:33:54 kernel: [ 9720.015900] [<ffffffff812156c0>] __writeback_single_inode+0x40/0x220
  27. Aug 19 00:33:54 kernel: [ 9720.015902] [<ffffffff812161e3>] writeback_sb_inodes+0x263/0x430
  28. Aug 19 00:33:54 kernel: [ 9720.015905] [<ffffffff8121644f>] __writeback_inodes_wb+0x9f/0xd0
  29. Aug 19 00:33:54 kernel: [ 9720.015907] [<ffffffff812166c3>] wb_writeback+0x243/0x2c0
  30. Aug 19 00:33:54 kernel: [ 9720.015910] [<ffffffff81218c83>] bdi_writeback_workfn+0x113/0x440
  31. Aug 19 00:33:54 kernel: [ 9720.015913] [<ffffffff8108db6f>] process_one_work+0x14f/0x400
  32. Aug 19 00:33:54 kernel: [ 9720.015916] [<ffffffff8108e308>] worker_thread+0x118/0x510
  33. Aug 19 00:33:54 kernel: [ 9720.015918] [<ffffffff8108e1f0>] ? rescuer_thread+0x3d0/0x3d0
  34. Aug 19 00:33:54 kernel: [ 9720.015921] [<ffffffff81093802>] kthread+0xd2/0xf0
  35. Aug 19 00:33:54 kernel: [ 9720.015924] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  36. Aug 19 00:33:54 kernel: [ 9720.015927] [<ffffffff817b67d8>] ret_from_fork+0x58/0x90
  37. Aug 19 00:33:54 kernel: [ 9720.015930] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  38. Aug 19 00:33:54 kernel: [ 9720.015944] INFO: task java:19784 blocked for more than 120 seconds.
  39. Aug 19 00:33:54 kernel: [ 9720.015973] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  40. Aug 19 00:33:54 kernel: [ 9720.016004] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  41. Aug 19 00:33:54 kernel: [ 9720.016038] java D ffff8806b02a3528 0 19784 19779 0x00000000
  42. Aug 19 00:33:54 kernel: [ 9720.016041] ffff8806b02a3528 ffff880748c0b110 0000000000013e80 ffff8806b02a3fd8
  43. Aug 19 00:33:54 kernel: [ 9720.016043] 0000000000013e80 ffff88081bf50000 ffff880748c0b110 ffff8806b02a35d0
  44. Aug 19 00:33:54 kernel: [ 9720.016045] ffff88083fc94778 ffff8806b02a35d0 ffff88083ffb01e8 0000000000000002
  45. Aug 19 00:33:54 kernel: [ 9720.016047] Call Trace:
  46. Aug 19 00:33:54 kernel: [ 9720.016050] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  47. Aug 19 00:33:54 kernel: [ 9720.016052] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  48. Aug 19 00:33:54 kernel: [ 9720.016054] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  49. Aug 19 00:33:54 kernel: [ 9720.016057] [<ffffffff817b2c95>] __wait_on_bit+0x65/0x90
  50. Aug 19 00:33:54 kernel: [ 9720.016059] [<ffffffff81175657>] wait_on_page_bit+0xc7/0xd0
  51. Aug 19 00:33:54 kernel: [ 9720.016062] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  52. Aug 19 00:33:54 kernel: [ 9720.016066] [<ffffffff81188f95>] shrink_page_list+0x2f5/0xa90
  53. Aug 19 00:33:54 kernel: [ 9720.016069] [<ffffffff81189d5d>] shrink_inactive_list+0x1cd/0x590
  54. Aug 19 00:33:54 kernel: [ 9720.016073] [<ffffffff8118ab65>] shrink_lruvec+0x5f5/0x820
  55. Aug 19 00:33:54 kernel: [ 9720.016076] [<ffffffff8118ae27>] shrink_zone+0x97/0x240
  56. Aug 19 00:33:54 kernel: [ 9720.016079] [<ffffffff8118b335>] do_try_to_free_pages+0x155/0x440
  57. Aug 19 00:33:54 kernel: [ 9720.016082] [<ffffffff8118b817>] try_to_free_mem_cgroup_pages+0xa7/0x130
  58. Aug 19 00:33:54 kernel: [ 9720.016087] [<ffffffff811de271>] try_charge+0x151/0x620
  59. Aug 19 00:33:54 kernel: [ 9720.016091] [<ffffffff811cf191>] ? kmem_cache_alloc+0x1a1/0x220
  60. Aug 19 00:33:54 kernel: [ 9720.016095] [<ffffffff811e29d8>] mem_cgroup_try_charge+0x98/0x110
  61. Aug 19 00:33:54 kernel: [ 9720.016110] [<ffffffffc02fb1b1>] ? free_extent_state+0x21/0x30 [btrfs]
  62. Aug 19 00:33:54 kernel: [ 9720.016113] [<ffffffff811769cf>] __add_to_page_cache_locked+0x7f/0x290
  63. Aug 19 00:33:54 kernel: [ 9720.016115] [<ffffffff81176c28>] add_to_page_cache_lru+0x28/0x80
  64. Aug 19 00:33:54 kernel: [ 9720.016118] [<ffffffff81176d0f>] pagecache_get_page+0x8f/0x1c0
  65. Aug 19 00:33:54 kernel: [ 9720.016131] [<ffffffffc02f0725>] prepare_pages.isra.19+0xc5/0x180 [btrfs]
  66. Aug 19 00:33:54 kernel: [ 9720.016165] [<ffffffffc02f12dc>] __btrfs_buffered_write+0x1cc/0x590 [btrfs]
  67. Aug 19 00:33:54 kernel: [ 9720.016169] [<ffffffff813ab563>] ? radix_tree_lookup_slot+0x13/0x30
  68. Aug 19 00:33:54 kernel: [ 9720.016183] [<ffffffffc02f49b7>] btrfs_file_write_iter+0x277/0x4d0 [btrfs]
  69. Aug 19 00:33:54 kernel: [ 9720.016187] [<ffffffff811ebc91>] new_sync_write+0x81/0xb0
  70. Aug 19 00:33:54 kernel: [ 9720.016191] [<ffffffff811ec437>] vfs_write+0xb7/0x1f0
  71. Aug 19 00:33:54 kernel: [ 9720.016193] [<ffffffff817b4776>] ? mutex_lock+0x16/0x37
  72. Aug 19 00:33:54 kernel: [ 9720.016196] [<ffffffff811ed046>] SyS_write+0x46/0xb0
  73. Aug 19 00:33:54 kernel: [ 9720.016199] [<ffffffff817b688d>] system_call_fastpath+0x16/0x1b
  74.  
  75. Aug 19 00:35:54 kernel: [ 9840.011311] INFO: task kworker/u12:1:1643 blocked for more than 120 seconds.
  76. Aug 19 00:35:54 kernel: [ 9840.011352] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  77. Aug 19 00:35:54 kernel: [ 9840.011404] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  78. Aug 19 00:35:54 kernel: [ 9840.011467] kworker/u12:1 D ffff8800912d36c8 0 1643 2 0x00000000
  79. Aug 19 00:35:54 kernel: [ 9840.011481] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
  80. Aug 19 00:35:54 kernel: [ 9840.011485] ffff8800912d36c8 ffff880095aea740 0000000000013e80 ffff8800912d3fd8
  81. Aug 19 00:35:54 kernel: [ 9840.011490] 0000000000013e80 ffff88071c1189d0 ffff880095aea740 ffff88083ffa4de8
  82. Aug 19 00:35:54 kernel: [ 9840.011494] ffff88083fc94778 ffff88083ffa4de8 ffff8800912d3770 0000000000000002
  83. Aug 19 00:35:54 kernel: [ 9840.011498] Call Trace:
  84. Aug 19 00:35:54 kernel: [ 9840.011508] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  85. Aug 19 00:35:54 kernel: [ 9840.011513] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  86. Aug 19 00:35:54 kernel: [ 9840.011517] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  87. Aug 19 00:35:54 kernel: [ 9840.011521] [<ffffffff817b2e2b>] __wait_on_bit_lock+0x4b/0xb0
  88. Aug 19 00:35:54 kernel: [ 9840.011529] [<ffffffff81175aae>] __lock_page+0xae/0xb0
  89. Aug 19 00:35:54 kernel: [ 9840.011535] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  90. Aug 19 00:35:54 kernel: [ 9840.011582] [<ffffffffc02fad9d>] lock_delalloc_pages+0x13d/0x1d0 [btrfs]
  91. Aug 19 00:35:54 kernel: [ 9840.011609] [<ffffffffc02fd53b>] find_lock_delalloc_range.constprop.46+0x14b/0x1f0 [btrfs]
  92. Aug 19 00:35:54 kernel: [ 9840.011634] [<ffffffffc02fdd30>] ? end_extent_writepage+0xa0/0xa0 [btrfs]
  93. Aug 19 00:35:54 kernel: [ 9840.011657] [<ffffffffc02fd65b>] writepage_delalloc.isra.32+0x7b/0x150 [btrfs]
  94. Aug 19 00:35:54 kernel: [ 9840.011680] [<ffffffffc02fe7fb>] __extent_writepage+0xbb/0x2a0 [btrfs]
  95. Aug 19 00:35:54 kernel: [ 9840.011702] [<ffffffffc02fed1a>] extent_write_cache_pages.isra.28.constprop.45+0x33a/0x3f0 [btrfs]
  96. Aug 19 00:35:54 kernel: [ 9840.011725] [<ffffffffc030074d>] extent_writepages+0x4d/0x70 [btrfs]
  97. Aug 19 00:35:54 kernel: [ 9840.011748] [<ffffffffc02e3ed0>] ? btrfs_submit_direct+0x7a0/0x7a0 [btrfs]
  98. Aug 19 00:35:54 kernel: [ 9840.011769] [<ffffffffc02e0ec8>] btrfs_writepages+0x28/0x30 [btrfs]
  99. Aug 19 00:35:54 kernel: [ 9840.011775] [<ffffffff811822de>] do_writepages+0x1e/0x40
  100. Aug 19 00:35:54 kernel: [ 9840.011780] [<ffffffff812156c0>] __writeback_single_inode+0x40/0x220
  101. Aug 19 00:35:54 kernel: [ 9840.011784] [<ffffffff812161e3>] writeback_sb_inodes+0x263/0x430
  102. Aug 19 00:35:54 kernel: [ 9840.011788] [<ffffffff8121644f>] __writeback_inodes_wb+0x9f/0xd0
  103. Aug 19 00:35:54 kernel: [ 9840.011792] [<ffffffff812166c3>] wb_writeback+0x243/0x2c0
  104. Aug 19 00:35:54 kernel: [ 9840.011797] [<ffffffff81218c83>] bdi_writeback_workfn+0x113/0x440
  105. Aug 19 00:35:54 kernel: [ 9840.011802] [<ffffffff8108db6f>] process_one_work+0x14f/0x400
  106. Aug 19 00:35:54 kernel: [ 9840.011806] [<ffffffff8108e308>] worker_thread+0x118/0x510
  107. Aug 19 00:35:54 kernel: [ 9840.011810] [<ffffffff8108e1f0>] ? rescuer_thread+0x3d0/0x3d0
  108. Aug 19 00:35:54 kernel: [ 9840.011815] [<ffffffff81093802>] kthread+0xd2/0xf0
  109. Aug 19 00:35:54 kernel: [ 9840.011820] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  110. Aug 19 00:35:54 kernel: [ 9840.011825] [<ffffffff817b67d8>] ret_from_fork+0x58/0x90
  111. Aug 19 00:35:54 kernel: [ 9840.011830] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  112. Aug 19 00:35:54 kernel: [ 9840.011851] INFO: task java:19784 blocked for more than 120 seconds.
  113. Aug 19 00:35:54 kernel: [ 9840.011899] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  114. Aug 19 00:35:54 kernel: [ 9840.011952] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  115. Aug 19 00:35:54 kernel: [ 9840.012008] java D ffff8806b02a3528 0 19784 19779 0x00000000
  116. Aug 19 00:35:54 kernel: [ 9840.012013] ffff8806b02a3528 ffff880748c0b110 0000000000013e80 ffff8806b02a3fd8
  117. Aug 19 00:35:54 kernel: [ 9840.012017] 0000000000013e80 ffff88081bf50000 ffff880748c0b110 ffff8806b02a35d0
  118. Aug 19 00:35:54 kernel: [ 9840.012020] ffff88083fc94778 ffff8806b02a35d0 ffff88083ffb01e8 0000000000000002
  119. Aug 19 00:35:54 kernel: [ 9840.012024] Call Trace:
  120. Aug 19 00:35:54 kernel: [ 9840.012029] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  121. Aug 19 00:35:54 kernel: [ 9840.012033] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  122. Aug 19 00:35:54 kernel: [ 9840.012036] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  123. Aug 19 00:35:54 kernel: [ 9840.012040] [<ffffffff817b2c95>] __wait_on_bit+0x65/0x90
  124. Aug 19 00:35:54 kernel: [ 9840.012045] [<ffffffff81175657>] wait_on_page_bit+0xc7/0xd0
  125. Aug 19 00:35:54 kernel: [ 9840.012049] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  126. Aug 19 00:35:54 kernel: [ 9840.012058] [<ffffffff81188f95>] shrink_page_list+0x2f5/0xa90
  127. Aug 19 00:35:54 kernel: [ 9840.012064] [<ffffffff81189d5d>] shrink_inactive_list+0x1cd/0x590
  128. Aug 19 00:35:54 kernel: [ 9840.012069] [<ffffffff8118ab65>] shrink_lruvec+0x5f5/0x820
  129. Aug 19 00:35:54 kernel: [ 9840.012074] [<ffffffff8118ae27>] shrink_zone+0x97/0x240
  130. Aug 19 00:35:54 kernel: [ 9840.012079] [<ffffffff8118b335>] do_try_to_free_pages+0x155/0x440
  131. Aug 19 00:35:54 kernel: [ 9840.012084] [<ffffffff8118b817>] try_to_free_mem_cgroup_pages+0xa7/0x130
  132. Aug 19 00:35:54 kernel: [ 9840.012091] [<ffffffff811de271>] try_charge+0x151/0x620
  133. Aug 19 00:35:54 kernel: [ 9840.012097] [<ffffffff811cf191>] ? kmem_cache_alloc+0x1a1/0x220
  134. Aug 19 00:35:54 kernel: [ 9840.012118] [<ffffffff811e29d8>] mem_cgroup_try_charge+0x98/0x110
  135. Aug 19 00:35:54 kernel: [ 9840.012135] [<ffffffffc02fb1b1>] ? free_extent_state+0x21/0x30 [btrfs]
  136. Aug 19 00:35:54 kernel: [ 9840.012138] [<ffffffff811769cf>] __add_to_page_cache_locked+0x7f/0x290
  137. Aug 19 00:35:54 kernel: [ 9840.012141] [<ffffffff81176c28>] add_to_page_cache_lru+0x28/0x80
  138. Aug 19 00:35:54 kernel: [ 9840.012143] [<ffffffff81176d0f>] pagecache_get_page+0x8f/0x1c0
  139. Aug 19 00:35:54 kernel: [ 9840.012158] [<ffffffffc02f0725>] prepare_pages.isra.19+0xc5/0x180 [btrfs]
  140. Aug 19 00:35:54 kernel: [ 9840.012171] [<ffffffffc02f12dc>] __btrfs_buffered_write+0x1cc/0x590 [btrfs]
  141. Aug 19 00:35:54 kernel: [ 9840.012193] [<ffffffff813ab563>] ? radix_tree_lookup_slot+0x13/0x30
  142. Aug 19 00:35:54 kernel: [ 9840.012214] [<ffffffffc02f49b7>] btrfs_file_write_iter+0x277/0x4d0 [btrfs]
  143. Aug 19 00:35:54 kernel: [ 9840.012220] [<ffffffff811ebc91>] new_sync_write+0x81/0xb0
  144. Aug 19 00:35:54 kernel: [ 9840.012225] [<ffffffff811ec437>] vfs_write+0xb7/0x1f0
  145. Aug 19 00:35:54 kernel: [ 9840.012229] [<ffffffff817b4776>] ? mutex_lock+0x16/0x37
  146. Aug 19 00:35:54 kernel: [ 9840.012234] [<ffffffff811ed046>] SyS_write+0x46/0xb0
  147. Aug 19 00:35:54 kernel: [ 9840.012239] [<ffffffff817b688d>] system_call_fastpath+0x16/0x1b
  148.  
  149. Aug 19 00:37:54 kernel: [ 9960.006937] INFO: task kworker/u12:1:1643 blocked for more than 120 seconds.
  150. Aug 19 00:37:54 kernel: [ 9960.006998] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  151. Aug 19 00:37:54 kernel: [ 9960.007051] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  152. Aug 19 00:37:54 kernel: [ 9960.007109] kworker/u12:1 D ffff8800912d36c8 0 1643 2 0x00000000
  153. Aug 19 00:37:54 kernel: [ 9960.007124] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
  154. Aug 19 00:37:54 kernel: [ 9960.007129] ffff8800912d36c8 ffff880095aea740 0000000000013e80 ffff8800912d3fd8
  155. Aug 19 00:37:54 kernel: [ 9960.007133] 0000000000013e80 ffff88071c1189d0 ffff880095aea740 ffff88083ffa4de8
  156. Aug 19 00:37:54 kernel: [ 9960.007137] ffff88083fc94778 ffff88083ffa4de8 ffff8800912d3770 0000000000000002
  157. Aug 19 00:37:54 kernel: [ 9960.007141] Call Trace:
  158. Aug 19 00:37:54 kernel: [ 9960.007152] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  159. Aug 19 00:37:54 kernel: [ 9960.007157] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  160. Aug 19 00:37:54 kernel: [ 9960.007161] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  161. Aug 19 00:37:54 kernel: [ 9960.007165] [<ffffffff817b2e2b>] __wait_on_bit_lock+0x4b/0xb0
  162. Aug 19 00:37:54 kernel: [ 9960.007172] [<ffffffff81175aae>] __lock_page+0xae/0xb0
  163. Aug 19 00:37:54 kernel: [ 9960.007179] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  164. Aug 19 00:37:54 kernel: [ 9960.007226] [<ffffffffc02fad9d>] lock_delalloc_pages+0x13d/0x1d0 [btrfs]
  165. Aug 19 00:37:54 kernel: [ 9960.007253] [<ffffffffc02fd53b>] find_lock_delalloc_range.constprop.46+0x14b/0x1f0 [btrfs]
  166. Aug 19 00:37:54 kernel: [ 9960.007278] [<ffffffffc02fdd30>] ? end_extent_writepage+0xa0/0xa0 [btrfs]
  167. Aug 19 00:37:54 kernel: [ 9960.007300] [<ffffffffc02fd65b>] writepage_delalloc.isra.32+0x7b/0x150 [btrfs]
  168. Aug 19 00:37:54 kernel: [ 9960.007322] [<ffffffffc02fe7fb>] __extent_writepage+0xbb/0x2a0 [btrfs]
  169. Aug 19 00:37:54 kernel: [ 9960.007343] [<ffffffffc02fed1a>] extent_write_cache_pages.isra.28.constprop.45+0x33a/0x3f0 [btrfs]
  170. Aug 19 00:37:54 kernel: [ 9960.007366] [<ffffffffc030074d>] extent_writepages+0x4d/0x70 [btrfs]
  171. Aug 19 00:37:54 kernel: [ 9960.007389] [<ffffffffc02e3ed0>] ? btrfs_submit_direct+0x7a0/0x7a0 [btrfs]
  172. Aug 19 00:37:54 kernel: [ 9960.007409] [<ffffffffc02e0ec8>] btrfs_writepages+0x28/0x30 [btrfs]
  173. Aug 19 00:37:54 kernel: [ 9960.007414] [<ffffffff811822de>] do_writepages+0x1e/0x40
  174. Aug 19 00:37:54 kernel: [ 9960.007419] [<ffffffff812156c0>] __writeback_single_inode+0x40/0x220
  175. Aug 19 00:37:54 kernel: [ 9960.007423] [<ffffffff812161e3>] writeback_sb_inodes+0x263/0x430
  176. Aug 19 00:37:54 kernel: [ 9960.007427] [<ffffffff8121644f>] __writeback_inodes_wb+0x9f/0xd0
  177. Aug 19 00:37:54 kernel: [ 9960.007431] [<ffffffff812166c3>] wb_writeback+0x243/0x2c0
  178. Aug 19 00:37:54 kernel: [ 9960.007436] [<ffffffff81218c83>] bdi_writeback_workfn+0x113/0x440
  179. Aug 19 00:37:54 kernel: [ 9960.007441] [<ffffffff8108db6f>] process_one_work+0x14f/0x400
  180. Aug 19 00:37:54 kernel: [ 9960.007445] [<ffffffff8108e308>] worker_thread+0x118/0x510
  181. Aug 19 00:37:54 kernel: [ 9960.007449] [<ffffffff8108e1f0>] ? rescuer_thread+0x3d0/0x3d0
  182. Aug 19 00:37:54 kernel: [ 9960.007453] [<ffffffff81093802>] kthread+0xd2/0xf0
  183. Aug 19 00:37:54 kernel: [ 9960.007458] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  184. Aug 19 00:37:54 kernel: [ 9960.007463] [<ffffffff817b67d8>] ret_from_fork+0x58/0x90
  185. Aug 19 00:37:54 kernel: [ 9960.007468] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  186. Aug 19 00:37:54 kernel: [ 9960.007482] INFO: task java:19784 blocked for more than 120 seconds.
  187. Aug 19 00:37:54 kernel: [ 9960.007530] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  188. Aug 19 00:37:54 kernel: [ 9960.007583] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  189. Aug 19 00:37:54 kernel: [ 9960.007638] java D ffff8806b02a3528 0 19784 19779 0x00000000
  190. Aug 19 00:37:54 kernel: [ 9960.007643] ffff8806b02a3528 ffff880748c0b110 0000000000013e80 ffff8806b02a3fd8
  191. Aug 19 00:37:54 kernel: [ 9960.007647] 0000000000013e80 ffff88081bf50000 ffff880748c0b110 ffff8806b02a35d0
  192. Aug 19 00:37:54 kernel: [ 9960.007650] ffff88083fc94778 ffff8806b02a35d0 ffff88083ffb01e8 0000000000000002
  193. Aug 19 00:37:54 kernel: [ 9960.007654] Call Trace:
  194. Aug 19 00:37:54 kernel: [ 9960.007659] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  195. Aug 19 00:37:54 kernel: [ 9960.007662] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  196. Aug 19 00:37:54 kernel: [ 9960.007666] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  197. Aug 19 00:37:54 kernel: [ 9960.007670] [<ffffffff817b2c95>] __wait_on_bit+0x65/0x90
  198. Aug 19 00:37:54 kernel: [ 9960.007674] [<ffffffff81175657>] wait_on_page_bit+0xc7/0xd0
  199. Aug 19 00:37:54 kernel: [ 9960.007679] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  200. Aug 19 00:37:54 kernel: [ 9960.007684] [<ffffffff81188f95>] shrink_page_list+0x2f5/0xa90
  201. Aug 19 00:37:54 kernel: [ 9960.007690] [<ffffffff81189d5d>] shrink_inactive_list+0x1cd/0x590
  202. Aug 19 00:37:54 kernel: [ 9960.007695] [<ffffffff8118ab65>] shrink_lruvec+0x5f5/0x820
  203. Aug 19 00:37:54 kernel: [ 9960.007700] [<ffffffff8118ae27>] shrink_zone+0x97/0x240
  204. Aug 19 00:37:54 kernel: [ 9960.007705] [<ffffffff8118b335>] do_try_to_free_pages+0x155/0x440
  205. Aug 19 00:37:54 kernel: [ 9960.007710] [<ffffffff8118b817>] try_to_free_mem_cgroup_pages+0xa7/0x130
  206. Aug 19 00:37:54 kernel: [ 9960.007716] [<ffffffff811de271>] try_charge+0x151/0x620
  207. Aug 19 00:37:54 kernel: [ 9960.007721] [<ffffffff811cf191>] ? kmem_cache_alloc+0x1a1/0x220
  208. Aug 19 00:37:54 kernel: [ 9960.007728] [<ffffffff811e29d8>] mem_cgroup_try_charge+0x98/0x110
  209. Aug 19 00:37:54 kernel: [ 9960.007775] [<ffffffffc02fb1b1>] ? free_extent_state+0x21/0x30 [btrfs]
  210. Aug 19 00:37:54 kernel: [ 9960.007781] [<ffffffff811769cf>] __add_to_page_cache_locked+0x7f/0x290
  211. Aug 19 00:37:54 kernel: [ 9960.007786] [<ffffffff81176c28>] add_to_page_cache_lru+0x28/0x80
  212. Aug 19 00:37:54 kernel: [ 9960.007790] [<ffffffff81176d0f>] pagecache_get_page+0x8f/0x1c0
  213. Aug 19 00:37:54 kernel: [ 9960.007813] [<ffffffffc02f0725>] prepare_pages.isra.19+0xc5/0x180 [btrfs]
  214. Aug 19 00:37:54 kernel: [ 9960.007834] [<ffffffffc02f12dc>] __btrfs_buffered_write+0x1cc/0x590 [btrfs]
  215. Aug 19 00:37:54 kernel: [ 9960.007843] [<ffffffff813ab563>] ? radix_tree_lookup_slot+0x13/0x30
  216. Aug 19 00:37:54 kernel: [ 9960.007863] [<ffffffffc02f49b7>] btrfs_file_write_iter+0x277/0x4d0 [btrfs]
  217. Aug 19 00:37:54 kernel: [ 9960.007869] [<ffffffff811ebc91>] new_sync_write+0x81/0xb0
  218. Aug 19 00:37:54 kernel: [ 9960.007874] [<ffffffff811ec437>] vfs_write+0xb7/0x1f0
  219. Aug 19 00:37:54 kernel: [ 9960.007878] [<ffffffff817b4776>] ? mutex_lock+0x16/0x37
  220. Aug 19 00:37:54 kernel: [ 9960.007883] [<ffffffff811ed046>] SyS_write+0x46/0xb0
  221. Aug 19 00:37:54 kernel: [ 9960.007888] [<ffffffff817b688d>] system_call_fastpath+0x16/0x1b
  222.  
  223. Aug 19 00:39:54 kernel: [10080.002626] INFO: task kworker/u12:1:1643 blocked for more than 120 seconds.
  224. Aug 19 00:39:54 kernel: [10080.004404] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  225. Aug 19 00:39:54 kernel: [10080.006173] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  226. Aug 19 00:39:54 kernel: [10080.008523] kworker/u12:1 D ffff8800912d36c8 0 1643 2 0x00000000
  227. Aug 19 00:39:54 kernel: [10080.008533] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
  228. Aug 19 00:39:54 kernel: [10080.008543] ffff8800912d36c8 ffff880095aea740 0000000000013e80 ffff8800912d3fd8
  229. Aug 19 00:39:54 kernel: [10080.008546] 0000000000013e80 ffff88071c1189d0 ffff880095aea740 ffff88083ffa4de8
  230. Aug 19 00:39:54 kernel: [10080.008548] ffff88083fc94778 ffff88083ffa4de8 ffff8800912d3770 0000000000000002
  231. Aug 19 00:39:54 kernel: [10080.008550] Call Trace:
  232. Aug 19 00:39:54 kernel: [10080.008558] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  233. Aug 19 00:39:54 kernel: [10080.008561] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  234. Aug 19 00:39:54 kernel: [10080.008563] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  235. Aug 19 00:39:54 kernel: [10080.008565] [<ffffffff817b2e2b>] __wait_on_bit_lock+0x4b/0xb0
  236. Aug 19 00:39:54 kernel: [10080.008570] [<ffffffff81175aae>] __lock_page+0xae/0xb0
  237. Aug 19 00:39:54 kernel: [10080.008574] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  238. Aug 19 00:39:54 kernel: [10080.008610] [<ffffffffc02fad9d>] lock_delalloc_pages+0x13d/0x1d0 [btrfs]
  239. Aug 19 00:39:54 kernel: [10080.008631] [<ffffffffc02fd53b>] find_lock_delalloc_range.constprop.46+0x14b/0x1f0 [btrfs]
  240. Aug 19 00:39:54 kernel: [10080.008645] [<ffffffffc02fdd30>] ? end_extent_writepage+0xa0/0xa0 [btrfs]
  241. Aug 19 00:39:54 kernel: [10080.008657] [<ffffffffc02fd65b>] writepage_delalloc.isra.32+0x7b/0x150 [btrfs]
  242. Aug 19 00:39:54 kernel: [10080.008669] [<ffffffffc02fe7fb>] __extent_writepage+0xbb/0x2a0 [btrfs]
  243. Aug 19 00:39:54 kernel: [10080.008681] [<ffffffffc02fed1a>] extent_write_cache_pages.isra.28.constprop.45+0x33a/0x3f0 [btrfs]
  244. Aug 19 00:39:54 kernel: [10080.008694] [<ffffffffc030074d>] extent_writepages+0x4d/0x70 [btrfs]
  245. Aug 19 00:39:54 kernel: [10080.008707] [<ffffffffc02e3ed0>] ? btrfs_submit_direct+0x7a0/0x7a0 [btrfs]
  246. Aug 19 00:39:54 kernel: [10080.008719] [<ffffffffc02e0ec8>] btrfs_writepages+0x28/0x30 [btrfs]
  247. Aug 19 00:39:54 kernel: [10080.008722] [<ffffffff811822de>] do_writepages+0x1e/0x40
  248. Aug 19 00:39:54 kernel: [10080.008725] [<ffffffff812156c0>] __writeback_single_inode+0x40/0x220
  249. Aug 19 00:39:54 kernel: [10080.008727] [<ffffffff812161e3>] writeback_sb_inodes+0x263/0x430
  250. Aug 19 00:39:54 kernel: [10080.008730] [<ffffffff8121644f>] __writeback_inodes_wb+0x9f/0xd0
  251. Aug 19 00:39:54 kernel: [10080.008732] [<ffffffff812166c3>] wb_writeback+0x243/0x2c0
  252. Aug 19 00:39:54 kernel: [10080.008735] [<ffffffff81218c83>] bdi_writeback_workfn+0x113/0x440
  253. Aug 19 00:39:54 kernel: [10080.008738] [<ffffffff8108db6f>] process_one_work+0x14f/0x400
  254. Aug 19 00:39:54 kernel: [10080.008740] [<ffffffff8108e308>] worker_thread+0x118/0x510
  255. Aug 19 00:39:54 kernel: [10080.008743] [<ffffffff8108e1f0>] ? rescuer_thread+0x3d0/0x3d0
  256. Aug 19 00:39:54 kernel: [10080.008745] [<ffffffff81093802>] kthread+0xd2/0xf0
  257. Aug 19 00:39:54 kernel: [10080.008748] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  258. Aug 19 00:39:54 kernel: [10080.008752] [<ffffffff817b67d8>] ret_from_fork+0x58/0x90
  259. Aug 19 00:39:54 kernel: [10080.008754] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  260. Aug 19 00:39:54 kernel: [10080.008765] INFO: task java:19784 blocked for more than 120 seconds.
  261. Aug 19 00:39:54 kernel: [10080.009811] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  262. Aug 19 00:39:54 kernel: [10080.010884] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  263. Aug 19 00:39:54 kernel: [10080.011957] java D ffff8806b02a3528 0 19784 19779 0x00000000
  264. Aug 19 00:39:54 kernel: [10080.011961] ffff8806b02a3528 ffff880748c0b110 0000000000013e80 ffff8806b02a3fd8
  265. Aug 19 00:39:54 kernel: [10080.011964] 0000000000013e80 ffff88081bf50000 ffff880748c0b110 ffff8806b02a35d0
  266. Aug 19 00:39:54 kernel: [10080.011966] ffff88083fc94778 ffff8806b02a35d0 ffff88083ffb01e8 0000000000000002
  267. Aug 19 00:39:54 kernel: [10080.011968] Call Trace:
  268. Aug 19 00:39:54 kernel: [10080.011972] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  269. Aug 19 00:39:54 kernel: [10080.011974] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  270. Aug 19 00:39:54 kernel: [10080.011977] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  271. Aug 19 00:39:54 kernel: [10080.011979] [<ffffffff817b2c95>] __wait_on_bit+0x65/0x90
  272. Aug 19 00:39:54 kernel: [10080.011982] [<ffffffff81175657>] wait_on_page_bit+0xc7/0xd0
  273. Aug 19 00:39:54 kernel: [10080.011985] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  274. Aug 19 00:39:54 kernel: [10080.011990] [<ffffffff81188f95>] shrink_page_list+0x2f5/0xa90
  275. Aug 19 00:39:54 kernel: [10080.011993] [<ffffffff81189d5d>] shrink_inactive_list+0x1cd/0x590
  276. Aug 19 00:39:54 kernel: [10080.011996] [<ffffffff8118ab65>] shrink_lruvec+0x5f5/0x820
  277. Aug 19 00:39:54 kernel: [10080.011999] [<ffffffff8118ae27>] shrink_zone+0x97/0x240
  278. Aug 19 00:39:54 kernel: [10080.012002] [<ffffffff8118b335>] do_try_to_free_pages+0x155/0x440
  279. Aug 19 00:39:54 kernel: [10080.012005] [<ffffffff8118b817>] try_to_free_mem_cgroup_pages+0xa7/0x130
  280. Aug 19 00:39:54 kernel: [10080.012010] [<ffffffff811de271>] try_charge+0x151/0x620
  281. Aug 19 00:39:54 kernel: [10080.012014] [<ffffffff811cf191>] ? kmem_cache_alloc+0x1a1/0x220
  282. Aug 19 00:39:54 kernel: [10080.012018] [<ffffffff811e29d8>] mem_cgroup_try_charge+0x98/0x110
  283. Aug 19 00:39:54 kernel: [10080.012036] [<ffffffffc02fb1b1>] ? free_extent_state+0x21/0x30 [btrfs]
  284. Aug 19 00:39:54 kernel: [10080.012039] [<ffffffff811769cf>] __add_to_page_cache_locked+0x7f/0x290
  285. Aug 19 00:39:54 kernel: [10080.012042] [<ffffffff81176c28>] add_to_page_cache_lru+0x28/0x80
  286. Aug 19 00:39:54 kernel: [10080.012044] [<ffffffff81176d0f>] pagecache_get_page+0x8f/0x1c0
  287. Aug 19 00:39:54 kernel: [10080.012058] [<ffffffffc02f0725>] prepare_pages.isra.19+0xc5/0x180 [btrfs]
  288. Aug 19 00:39:54 kernel: [10080.012070] [<ffffffffc02f12dc>] __btrfs_buffered_write+0x1cc/0x590 [btrfs]
  289. Aug 19 00:39:54 kernel: [10080.012075] [<ffffffff813ab563>] ? radix_tree_lookup_slot+0x13/0x30
  290. Aug 19 00:39:54 kernel: [10080.012087] [<ffffffffc02f49b7>] btrfs_file_write_iter+0x277/0x4d0 [btrfs]
  291. Aug 19 00:39:54 kernel: [10080.012090] [<ffffffff811ebc91>] new_sync_write+0x81/0xb0
  292. Aug 19 00:39:54 kernel: [10080.012093] [<ffffffff811ec437>] vfs_write+0xb7/0x1f0
  293. Aug 19 00:39:54 kernel: [10080.012096] [<ffffffff817b4776>] ? mutex_lock+0x16/0x37
  294. Aug 19 00:39:54 kernel: [10080.012099] [<ffffffff811ed046>] SyS_write+0x46/0xb0
  295. Aug 19 00:39:54 kernel: [10080.012102] [<ffffffff817b688d>] system_call_fastpath+0x16/0x1b
  296.  
  297. Aug 19 00:41:54 kernel: [10200.006316] INFO: task kworker/u12:1:1643 blocked for more than 120 seconds.
  298. Aug 19 00:41:54 kernel: [10200.009063] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  299. Aug 19 00:41:54 kernel: [10200.010827] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  300. Aug 19 00:41:54 kernel: [10200.012422] kworker/u12:1 D ffff8800912d36c8 0 1643 2 0x00000000
  301. Aug 19 00:41:54 kernel: [10200.012438] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
  302. Aug 19 00:41:54 kernel: [10200.012442] ffff8800912d36c8 ffff880095aea740 0000000000013e80 ffff8800912d3fd8
  303. Aug 19 00:41:54 kernel: [10200.012447] 0000000000013e80 ffff88071c1189d0 ffff880095aea740 ffff88083ffa4de8
  304. Aug 19 00:41:54 kernel: [10200.012450] ffff88083fc94778 ffff88083ffa4de8 ffff8800912d3770 0000000000000002
  305. Aug 19 00:41:54 kernel: [10200.012454] Call Trace:
  306. Aug 19 00:41:54 kernel: [10200.012465] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  307. Aug 19 00:41:54 kernel: [10200.012470] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  308. Aug 19 00:41:54 kernel: [10200.012474] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  309. Aug 19 00:41:54 kernel: [10200.012478] [<ffffffff817b2e2b>] __wait_on_bit_lock+0x4b/0xb0
  310. Aug 19 00:41:54 kernel: [10200.012485] [<ffffffff81175aae>] __lock_page+0xae/0xb0
  311. Aug 19 00:41:54 kernel: [10200.012491] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  312. Aug 19 00:41:54 kernel: [10200.012538] [<ffffffffc02fad9d>] lock_delalloc_pages+0x13d/0x1d0 [btrfs]
  313. Aug 19 00:41:54 kernel: [10200.012565] [<ffffffffc02fd53b>] find_lock_delalloc_range.constprop.46+0x14b/0x1f0 [btrfs]
  314. Aug 19 00:41:54 kernel: [10200.012587] [<ffffffffc02fdd30>] ? end_extent_writepage+0xa0/0xa0 [btrfs]
  315. Aug 19 00:41:54 kernel: [10200.012607] [<ffffffffc02fd65b>] writepage_delalloc.isra.32+0x7b/0x150 [btrfs]
  316. Aug 19 00:41:54 kernel: [10200.012626] [<ffffffffc02fe7fb>] __extent_writepage+0xbb/0x2a0 [btrfs]
  317. Aug 19 00:41:54 kernel: [10200.012644] [<ffffffffc02fed1a>] extent_write_cache_pages.isra.28.constprop.45+0x33a/0x3f0 [btrfs]
  318. Aug 19 00:41:54 kernel: [10200.012665] [<ffffffffc030074d>] extent_writepages+0x4d/0x70 [btrfs]
  319. Aug 19 00:41:54 kernel: [10200.012687] [<ffffffffc02e3ed0>] ? btrfs_submit_direct+0x7a0/0x7a0 [btrfs]
  320. Aug 19 00:41:54 kernel: [10200.012707] [<ffffffffc02e0ec8>] btrfs_writepages+0x28/0x30 [btrfs]
  321. Aug 19 00:41:54 kernel: [10200.012712] [<ffffffff811822de>] do_writepages+0x1e/0x40
  322. Aug 19 00:41:54 kernel: [10200.012717] [<ffffffff812156c0>] __writeback_single_inode+0x40/0x220
  323. Aug 19 00:41:54 kernel: [10200.012721] [<ffffffff812161e3>] writeback_sb_inodes+0x263/0x430
  324. Aug 19 00:41:54 kernel: [10200.012725] [<ffffffff8121644f>] __writeback_inodes_wb+0x9f/0xd0
  325. Aug 19 00:41:54 kernel: [10200.012729] [<ffffffff812166c3>] wb_writeback+0x243/0x2c0
  326. Aug 19 00:41:54 kernel: [10200.012734] [<ffffffff81218c83>] bdi_writeback_workfn+0x113/0x440
  327. Aug 19 00:41:54 kernel: [10200.012739] [<ffffffff8108db6f>] process_one_work+0x14f/0x400
  328. Aug 19 00:41:54 kernel: [10200.012743] [<ffffffff8108e308>] worker_thread+0x118/0x510
  329. Aug 19 00:41:54 kernel: [10200.012747] [<ffffffff8108e1f0>] ? rescuer_thread+0x3d0/0x3d0
  330. Aug 19 00:41:54 kernel: [10200.012751] [<ffffffff81093802>] kthread+0xd2/0xf0
  331. Aug 19 00:41:54 kernel: [10200.012756] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  332. Aug 19 00:41:54 kernel: [10200.012761] [<ffffffff817b67d8>] ret_from_fork+0x58/0x90
  333. Aug 19 00:41:54 kernel: [10200.012765] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  334. Aug 19 00:41:54 kernel: [10200.012781] INFO: task java:19784 blocked for more than 120 seconds.
  335. Aug 19 00:41:54 kernel: [10200.014404] Tainted: G C 3.19.0-26-generic #28~14.04.1-Ubuntu
  336. Aug 19 00:41:54 kernel: [10200.015419] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  337. Aug 19 00:41:54 kernel: [10200.016425] java D ffff8806b02a3528 0 19784 19779 0x00000000
  338. Aug 19 00:41:54 kernel: [10200.016429] ffff8806b02a3528 ffff880748c0b110 0000000000013e80 ffff8806b02a3fd8
  339. Aug 19 00:41:54 kernel: [10200.016431] 0000000000013e80 ffff88081bf50000 ffff880748c0b110 ffff8806b02a35d0
  340. Aug 19 00:41:54 kernel: [10200.016434] ffff88083fc94778 ffff8806b02a35d0 ffff88083ffb01e8 0000000000000002
  341. Aug 19 00:41:54 kernel: [10200.016436] Call Trace:
  342. Aug 19 00:41:54 kernel: [10200.016440] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  343. Aug 19 00:41:54 kernel: [10200.016442] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  344. Aug 19 00:41:54 kernel: [10200.016445] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  345. Aug 19 00:41:54 kernel: [10200.016447] [<ffffffff817b2c95>] __wait_on_bit+0x65/0x90
  346. Aug 19 00:41:54 kernel: [10200.016450] [<ffffffff81175657>] wait_on_page_bit+0xc7/0xd0
  347. Aug 19 00:41:54 kernel: [10200.016453] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  348. Aug 19 00:41:54 kernel: [10200.016458] [<ffffffff81188f95>] shrink_page_list+0x2f5/0xa90
  349. Aug 19 00:41:54 kernel: [10200.016461] [<ffffffff81189d5d>] shrink_inactive_list+0x1cd/0x590
  350. Aug 19 00:41:54 kernel: [10200.016464] [<ffffffff8118ab65>] shrink_lruvec+0x5f5/0x820
  351. Aug 19 00:41:54 kernel: [10200.016468] [<ffffffff8118ae27>] shrink_zone+0x97/0x240
  352. Aug 19 00:41:54 kernel: [10200.016471] [<ffffffff8118b335>] do_try_to_free_pages+0x155/0x440
  353. Aug 19 00:41:54 kernel: [10200.016474] [<ffffffff8118b817>] try_to_free_mem_cgroup_pages+0xa7/0x130
  354. Aug 19 00:41:54 kernel: [10200.016478] [<ffffffff811de271>] try_charge+0x151/0x620
  355. Aug 19 00:41:54 kernel: [10200.016482] [<ffffffff811cf191>] ? kmem_cache_alloc+0x1a1/0x220
  356. Aug 19 00:41:54 kernel: [10200.016486] [<ffffffff811e29d8>] mem_cgroup_try_charge+0x98/0x110
  357. Aug 19 00:41:54 kernel: [10200.016504] [<ffffffffc02fb1b1>] ? free_extent_state+0x21/0x30 [btrfs]
  358. Aug 19 00:41:54 kernel: [10200.016507] [<ffffffff811769cf>] __add_to_page_cache_locked+0x7f/0x290
  359. Aug 19 00:41:54 kernel: [10200.016510] [<ffffffff81176c28>] add_to_page_cache_lru+0x28/0x80
  360. Aug 19 00:41:54 kernel: [10200.016512] [<ffffffff81176d0f>] pagecache_get_page+0x8f/0x1c0
  361. Aug 19 00:41:54 kernel: [10200.016525] [<ffffffffc02f0725>] prepare_pages.isra.19+0xc5/0x180 [btrfs]
  362. Aug 19 00:41:54 kernel: [10200.016538] [<ffffffffc02f12dc>] __btrfs_buffered_write+0x1cc/0x590 [btrfs]
  363. Aug 19 00:41:54 kernel: [10200.016542] [<ffffffff813ab563>] ? radix_tree_lookup_slot+0x13/0x30
  364. Aug 19 00:41:54 kernel: [10200.016554] [<ffffffffc02f49b7>] btrfs_file_write_iter+0x277/0x4d0 [btrfs]
  365. Aug 19 00:41:54 kernel: [10200.016557] [<ffffffff811ebc91>] new_sync_write+0x81/0xb0
  366. Aug 19 00:41:54 kernel: [10200.016560] [<ffffffff811ec437>] vfs_write+0xb7/0x1f0
  367. Aug 19 00:41:54 kernel: [10200.016562] [<ffffffff817b4776>] ? mutex_lock+0x16/0x37
  368. Aug 19 00:41:54 kernel: [10200.016565] [<ffffffff811ed046>] SyS_write+0x46/0xb0
  369. Aug 19 00:41:54 kernel: [10200.016568] [<ffffffff817b688d>] system_call_fastpath+0x16/0x1b
  370.  
  371. Sysrq-w
  372.  
  373. Aug 19 00:49:27 kernel: [10653.419163] kworker/u12:1 D ffff8800912d36c8 0 1643 2 0x00000000
  374. Aug 19 00:49:27 kernel: [10653.419170] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
  375. Aug 19 00:49:27 kernel: [10653.419172] ffff8800912d36c8 ffff880095aea740 0000000000013e80 ffff8800912d3fd8
  376. Aug 19 00:49:27 kernel: [10653.419174] 0000000000013e80 ffff88071c1189d0 ffff880095aea740 ffff88083ffa4de8
  377. Aug 19 00:49:27 kernel: [10653.419176] ffff88083fc94778 ffff88083ffa4de8 ffff8800912d3770 0000000000000002
  378. Aug 19 00:49:27 kernel: [10653.419178] Call Trace:
  379. Aug 19 00:49:27 kernel: [10653.419181] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  380. Aug 19 00:49:27 kernel: [10653.419183] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  381. Aug 19 00:49:27 kernel: [10653.419185] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  382. Aug 19 00:49:27 kernel: [10653.419188] [<ffffffff817b2e2b>] __wait_on_bit_lock+0x4b/0xb0
  383. Aug 19 00:49:27 kernel: [10653.419193] [<ffffffff81175aae>] __lock_page+0xae/0xb0
  384. Aug 19 00:49:27 kernel: [10653.419195] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  385. Aug 19 00:49:27 kernel: [10653.419234] [<ffffffffc02fad9d>] lock_delalloc_pages+0x13d/0x1d0 [btrfs]
  386. Aug 19 00:49:27 kernel: [10653.419250] [<ffffffffc02fd53b>] find_lock_delalloc_range.constprop.46+0x14b/0x1f0 [btrfs]
  387. Aug 19 00:49:27 kernel: [10653.419264] [<ffffffffc02fdd30>] ? end_extent_writepage+0xa0/0xa0 [btrfs]
  388. Aug 19 00:49:27 kernel: [10653.419277] [<ffffffffc02fd65b>] writepage_delalloc.isra.32+0x7b/0x150 [btrfs]
  389. Aug 19 00:49:27 kernel: [10653.419289] [<ffffffffc02fe7fb>] __extent_writepage+0xbb/0x2a0 [btrfs]
  390. Aug 19 00:49:27 kernel: [10653.419301] [<ffffffffc02fed1a>] extent_write_cache_pages.isra.28.constprop.45+0x33a/0x3f0 [btrfs]
  391. Aug 19 00:49:27 kernel: [10653.419314] [<ffffffffc030074d>] extent_writepages+0x4d/0x70 [btrfs]
  392. Aug 19 00:49:27 kernel: [10653.419327] [<ffffffffc02e3ed0>] ? btrfs_submit_direct+0x7a0/0x7a0 [btrfs]
  393. Aug 19 00:49:27 kernel: [10653.419339] [<ffffffffc02e0ec8>] btrfs_writepages+0x28/0x30 [btrfs]
  394. Aug 19 00:49:27 kernel: [10653.419342] [<ffffffff811822de>] do_writepages+0x1e/0x40
  395. Aug 19 00:49:27 kernel: [10653.419345] [<ffffffff812156c0>] __writeback_single_inode+0x40/0x220
  396. Aug 19 00:49:27 kernel: [10653.419347] [<ffffffff812161e3>] writeback_sb_inodes+0x263/0x430
  397. Aug 19 00:49:27 kernel: [10653.419350] [<ffffffff8121644f>] __writeback_inodes_wb+0x9f/0xd0
  398. Aug 19 00:49:27 kernel: [10653.419352] [<ffffffff812166c3>] wb_writeback+0x243/0x2c0
  399. Aug 19 00:49:27 kernel: [10653.419355] [<ffffffff81218c83>] bdi_writeback_workfn+0x113/0x440
  400. Aug 19 00:49:27 kernel: [10653.419358] [<ffffffff8108db6f>] process_one_work+0x14f/0x400
  401. Aug 19 00:49:27 kernel: [10653.419360] [<ffffffff8108e308>] worker_thread+0x118/0x510
  402. Aug 19 00:49:27 kernel: [10653.419362] [<ffffffff8108e1f0>] ? rescuer_thread+0x3d0/0x3d0
  403. Aug 19 00:49:27 kernel: [10653.419365] [<ffffffff81093802>] kthread+0xd2/0xf0
  404. Aug 19 00:49:27 kernel: [10653.419368] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  405. Aug 19 00:49:27 kernel: [10653.419371] [<ffffffff817b67d8>] ret_from_fork+0x58/0x90
  406. Aug 19 00:49:27 kernel: [10653.419373] [<ffffffff81093730>] ? kthread_create_on_node+0x1c0/0x1c0
  407. Aug 19 00:49:27 kernel: [10653.419380] java D ffff8806b02a3528 0 19784 17076 0x00000004
  408. Aug 19 00:49:27 kernel: [10653.419383] ffff8806b02a3528 ffff880748c0b110 0000000000013e80 ffff8806b02a3fd8
  409. Aug 19 00:49:27 kernel: [10653.419385] 0000000000013e80 ffff88081bf50000 ffff880748c0b110 ffff8806b02a35d0
  410. Aug 19 00:49:27 kernel: [10653.419387] ffff88083fc94778 ffff8806b02a35d0 ffff88083ffb01e8 0000000000000002
  411. Aug 19 00:49:27 kernel: [10653.419389] Call Trace:
  412. Aug 19 00:49:27 kernel: [10653.419391] [<ffffffff817b3030>] ? bit_wait+0x50/0x50
  413. Aug 19 00:49:27 kernel: [10653.419394] [<ffffffff817b2800>] io_schedule+0xa0/0x130
  414. Aug 19 00:49:27 kernel: [10653.419396] [<ffffffff817b305c>] bit_wait_io+0x2c/0x50
  415. Aug 19 00:49:27 kernel: [10653.419398] [<ffffffff817b2c95>] __wait_on_bit+0x65/0x90
  416. Aug 19 00:49:27 kernel: [10653.419401] [<ffffffff81175657>] wait_on_page_bit+0xc7/0xd0
  417. Aug 19 00:49:27 kernel: [10653.419403] [<ffffffff810b4e50>] ? autoremove_wake_function+0x40/0x40
  418. Aug 19 00:49:27 kernel: [10653.419408] [<ffffffff81188f95>] shrink_page_list+0x2f5/0xa90
  419. Aug 19 00:49:27 kernel: [10653.419412] [<ffffffff81189d5d>] shrink_inactive_list+0x1cd/0x590
  420. Aug 19 00:49:27 kernel: [10653.419415] [<ffffffff8118ab65>] shrink_lruvec+0x5f5/0x820
  421. Aug 19 00:49:27 kernel: [10653.419418] [<ffffffff8118ae27>] shrink_zone+0x97/0x240
  422. Aug 19 00:49:27 kernel: [10653.419421] [<ffffffff8118b335>] do_try_to_free_pages+0x155/0x440
  423. Aug 19 00:49:27 kernel: [10653.419424] [<ffffffff8118b817>] try_to_free_mem_cgroup_pages+0xa7/0x130
  424. Aug 19 00:49:27 kernel: [10653.419429] [<ffffffff811de271>] try_charge+0x151/0x620
  425. Aug 19 00:49:27 kernel: [10653.419433] [<ffffffff811cf191>] ? kmem_cache_alloc+0x1a1/0x220
  426. Aug 19 00:49:27 kernel: [10653.419437] [<ffffffff811e29d8>] mem_cgroup_try_charge+0x98/0x110
  427. Aug 19 00:49:27 kernel: [10653.419450] [<ffffffffc02fb1b1>] ? free_extent_state+0x21/0x30 [btrfs]
  428. Aug 19 00:49:27 kernel: [10653.419453] [<ffffffff811769cf>] __add_to_page_cache_locked+0x7f/0x290
  429. Aug 19 00:49:27 kernel: [10653.419456] [<ffffffff81176c28>] add_to_page_cache_lru+0x28/0x80
  430. Aug 19 00:49:27 kernel: [10653.419458] [<ffffffff81176d0f>] pagecache_get_page+0x8f/0x1c0
  431. Aug 19 00:49:27 kernel: [10653.419471] [<ffffffffc02f0725>] prepare_pages.isra.19+0xc5/0x180 [btrfs]
  432. Aug 19 00:49:27 kernel: [10653.419483] [<ffffffffc02f12dc>] __btrfs_buffered_write+0x1cc/0x590 [btrfs]
  433. Aug 19 00:49:27 kernel: [10653.419488] [<ffffffff813ab563>] ? radix_tree_lookup_slot+0x13/0x30
  434. Aug 19 00:49:27 kernel: [10653.419500] [<ffffffffc02f49b7>] btrfs_file_write_iter+0x277/0x4d0 [btrfs]
  435. Aug 19 00:49:27 kernel: [10653.419505] [<ffffffff811ebc91>] new_sync_write+0x81/0xb0
  436. Aug 19 00:49:27 kernel: [10653.419508] [<ffffffff811ec437>] vfs_write+0xb7/0x1f0
  437. Aug 19 00:49:27 kernel: [10653.419511] [<ffffffff817b4776>] ? mutex_lock+0x16/0x37
  438. Aug 19 00:49:27 kernel: [10653.419514] [<ffffffff811ed046>] SyS_write+0x46/0xb0
  439. Aug 19 00:49:27 kernel: [10653.419516] [<ffffffff817b688d>] system_call_fastpath+0x16/0x1b
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