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4.11.0 bcache crash

marcmerlin May 1st, 2017 570 Never
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  1. [34169.044631] hub 2-1.4:1.0: USB hub found
  2. [34169.057579] hub 2-1.4:1.0: 4 ports detected
  3. [34318.067429] INFO: task rsync:15517 blocked for more than 120 seconds.
  4. [34318.087625]       Tainted: G     U          4.11.0-amd64-preempt-sysrq-20170406 #2
  5. [34318.111203] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  6. [34318.135509] rsync           D    0 15517  15417 0x20020080
  7. [34318.152799] Call Trace:
  8. [34318.160913]  __schedule+0x4ef/0x627
  9. [34318.172136]  schedule+0x89/0x9a
  10. [34318.182319]  io_schedule+0x16/0x38
  11. [34318.193267]  wait_on_page_bit_common+0xd8/0x151
  12. [34318.207645]  ? inode_to_bdi+0x35/0x35
  13. [34318.219364]  wait_on_page_bit+0x3b/0x3d
  14. [34318.231613]  read_extent_buffer_pages+0x1c4/0x224
  15. [34318.246467]  ? free_root_pointers+0x64/0x64
  16. [34318.259738]  btree_read_extent_buffer_pages+0x5d/0xef
  17. [34318.275608]  read_tree_block+0x33/0x4e
  18. [34318.287617]  read_block_for_search.isra.21+0x211/0x264
  19. [34318.303750]  btrfs_search_slot+0x52b/0x72e
  20. [34318.316760]  btrfs_lookup_file_extent+0x49/0x5f
  21. [34318.331099]  btrfs_get_extent+0x17d/0x77d
  22. [34318.343916]  ? insert_state+0xd9/0x100
  23. [34318.355981]  ? __set_extent_bit+0x100/0x3d6
  24. [34318.369227]  ? __set_extent_bit+0x3a0/0x3d6
  25. [34318.382530]  __do_readpage+0x259/0x58d
  26. [34318.394457]  ? insert_reserved_file_extent.constprop.41+0x28e/0x28e
  27. [34318.413955]  ? lock_extent_bits+0x6e/0x1af
  28. [34318.426955]  __do_contiguous_readpages.constprop.33+0xc8/0xec
  29. [34318.444889]  ? insert_reserved_file_extent.constprop.41+0x28e/0x28e
  30. [34318.464422]  __extent_readpages.constprop.32+0xea/0xfd
  31. [34318.480606]  ? lru_cache_add+0xe/0x10
  32. [34318.492310]  extent_readpages+0x18e/0x1eb
  33. [34318.505036]  ? insert_reserved_file_extent.constprop.41+0x28e/0x28e
  34. [34318.524539]  ? alloc_pages_current+0x9b/0xbd
  35. [34318.538011]  btrfs_readpages+0x1f/0x21
  36. [34318.549891]  __do_page_cache_readahead+0x1af/0x27b
  37. [34318.564879]  ondemand_readahead+0x21e/0x22f
  38. [34318.578052]  ? ondemand_readahead+0x21e/0x22f
  39. [34318.591752]  page_cache_sync_readahead+0x3d/0x3f
  40. [34318.606156]  generic_file_read_iter+0x1e8/0x57e
  41. [34318.620359]  ? dput+0x1f1/0x212
  42. [34318.630325]  __vfs_read+0x88/0xc0
  43. [34318.640814]  vfs_read+0xa4/0xdc
  44. [34318.650760]  SyS_read+0x5c/0x9f
  45. [34318.660763]  do_fast_syscall_32+0xb7/0xfe
  46. [34318.673330]  entry_SYSENTER_compat+0x4c/0x5b
  47. [34318.686677] RIP: 0023:0xf7799b39
  48. [34318.696884] RSP: 002b:00000000ffc1c874 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
  49. [34318.720137] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000009629cf0
  50. [34318.742089] RDX: 0000000000001000 RSI: 0000000009629b80 RDI: 00000000f7753960
  51. [34318.764056] RBP: 00000000ffc1c8c8 R08: 0000000000000000 R09: 0000000000000000
  52. [34318.785986] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
  53. [34318.807920] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
  54. [34340.981735] IN=eth2 OUT= MAC=00:0e:c6:88:7c:ae:20:e5:2a:b7:f5:3f:08:00 SRC=80.179.226.56 DST=173.11.111.146 LEN=40 TOS=0x00 PREC=0x20 TTL=238 ID=63319 PROTO=TCP SPT=50109 DPT=1433 WINDOW=1024 RES=0x00 SYN URGP=0
  55. [34365.125077] rfx-xpl-static[8615]: segfault at 45476d ip 000000000804a62e sp 00000000ffd4efd0 error 4 in rfx-xpl-static[8048000+1c0000]
  56. sh: line 1:  8615 Segmentation fault      LD_LIBRARY_PATH=/lib/i386-linux-gnu21 /var/local/src/rfxcom_xpl/rfx-xpl-static -interface eth0 -d 2>&1
  57. [34402.084574] usb 2-1.4: USB disconnect, device number 14
  58. [34402.223858] usb 2-1: reset SuperSpeed USB device number 2 using xhci_hcd
  59. [34402.899330] usb 2-1.4: new SuperSpeed USB device number 15 using xhci_hcd
  60. [34403.173069] usb 2-1.4: New USB device found, idVendor=2109, idProduct=0812
  61. [34403.194359] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  62. [34403.216955] usb 2-1.4: Product: USB3.0 Hub
  63. [34403.233277] usb 2-1.4: Manufacturer: VIA Labs, Inc.
  64. [34403.251094] alloc_contig_range: [61e523, 61e524) PFNs busy
  65. [34403.270129] hub 2-1.4:1.0: USB hub found
  66. [34403.282709] hub 2-1.4:1.0: 4 ports detected
  67. [34415.377180] usb 2-1.4: USB disconnect, device number 15
  68. [34415.520097] usb 2-1: reset SuperSpeed USB device number 2 using xhci_hcd
  69. [34416.191541] usb 2-1.4: new SuperSpeed USB device number 16 using xhci_hcd
  70. [34416.465222] usb 2-1.4: New USB device found, idVendor=2109, idProduct=0812
  71. [34416.486537] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  72. [34416.509141] usb 2-1.4: Product: USB3.0 Hub
  73. [34416.525469] usb 2-1.4: Manufacturer: VIA Labs, Inc.
  74. [34416.543290] alloc_contig_range: [61e523, 61e524) PFNs busy
  75. [34416.562400] hub 2-1.4:1.0: USB hub found
  76. [34416.574966] hub 2-1.4:1.0: 4 ports detected
  77. [34417.162172] usb 4-1.4.4: USB disconnect, device number 22
  78. [34417.179158] ftdi_sio ttyUSB15: FTDI USB Serial Device converter now disconnected from ttyUSB15
  79. [34417.205665] ftdi_sio 4-1.4.4:1.0: device disconnected
  80. [34417.444828] usb 4-1.4.4: new full-speed USB device number 23 using ehci-pci
  81. [34417.580683] usb 4-1.4.4: New USB device found, idVendor=0403, idProduct=6001
  82. [34417.602911] usb 4-1.4.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  83. [34417.626347] usb 4-1.4.4: Product: FT232R USB UART
  84. [34417.641528] usb 4-1.4.4: Manufacturer: FTDI
  85. [34417.654857] usb 4-1.4.4: SerialNumber: A800dMFk
  86. [34417.672029] ftdi_sio 4-1.4.4:1.0: FTDI USB Serial Device converter detected
  87. [34417.693749] usb 4-1.4.4: Detected FT232RL
  88. [34417.706995] usb 4-1.4.4: FTDI USB Serial Device converter now attached to ttyUSB15
  89. [34449.253532] IN=eth2 OUT= MAC=00:0e:c6:88:7c:ae:20:e5:2a:b7:f5:3f:08:00 SRC=117.86.22.69 DST=173.11.111.146 LEN=40 TOS=0x00 PREC=0x20 TTL=50 ID=30308 PROTO=TCP SPT=9189 DPT=22 WINDOW=22706 RES=0x00 SYN URGP=0
  90. [34480.487431] IN=eth2 OUT= MAC=00:0e:c6:88:7c:ae:20:e5:2a:b7:f5:3f:08:00 SRC=118.193.162.71 DST=173.11.111.146 LEN=40 TOS=0x00 PREC=0x20 TTL=115 ID=256 PROTO=TCP SPT=45126 DPT=1433 WINDOW=16384 RES=0x00 SYN URGP=0
  91. [34559.735364] INFO: task rsync:15517 blocked for more than 120 seconds.
  92. [34559.755593]       Tainted: G     U          4.11.0-amd64-preempt-sysrq-20170406 #2
  93. [34559.779098] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  94. [34559.803772] rsync           D    0 15517  15417 0x20020080
  95. [34559.821043] Call Trace:
  96. [34559.829222]  __schedule+0x4ef/0x627
  97. [34559.840577]  schedule+0x89/0x9a
  98. [34559.850776]  io_schedule+0x16/0x38
  99. [34559.861739]  wait_on_page_bit_common+0xd8/0x151
  100. [34559.876107]  ? inode_to_bdi+0x35/0x35
  101. [34559.887876]  wait_on_page_bit+0x3b/0x3d
  102. [34559.900079]  read_extent_buffer_pages+0x1c4/0x224
  103. [34559.914868]  ? free_root_pointers+0x64/0x64
  104. [34559.928119]  btree_read_extent_buffer_pages+0x5d/0xef
  105. [34559.943952]  read_tree_block+0x33/0x4e
  106. [34559.955904]  read_block_for_search.isra.21+0x211/0x264
  107. [34559.972025]  btrfs_search_slot+0x52b/0x72e
  108. [34559.984974]  ? C_SYSC_newfstat+0x64/0x64
  109. [34559.997389]  btrfs_real_readdir+0x17d/0x3ed
  110. [34560.010625]  ? fsnotify_perm+0x60/0x6c
  111. [34560.022569]  iterate_dir+0xb5/0x151
  112. [34560.033694]  ? __fget_light+0x2c/0x4d
  113. [34560.045341]  compat_SyS_getdents64+0xa6/0x10f
  114. [34560.059075]  ? C_SYSC_newfstat+0x64/0x64
  115. [34560.071543]  do_fast_syscall_32+0xb7/0xfe
  116. [34560.084301]  ? do_fast_syscall_32+0xb7/0xfe
  117. [34560.097487]  entry_SYSENTER_compat+0x4c/0x5b
  118. [34560.111090] RIP: 0023:0xf7799b39
  119. [34560.121458] RSP: 002b:00000000ffc1aaa4 EFLAGS: 00000246 ORIG_RAX: 00000000000000dc
  120.  
  121. [34560.144853] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000963c9ac
  122. [34560.166914] RDX: 0000000000008000 RSI: 000000000963c9ac RDI: 00000000ffffffc0
  123. [34560.188977] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
  124. [34560.211007] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
  125. [34560.233056] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
  126. [34617.502550] IN=eth2 OUT= MAC=00:0e:c6:88:7c:ae:20:e5:2a:b7:f5:3f:08:00 SRC=186.134.14.107 DST=173.11.111.146 LEN=40 TOS=0x00 PREC=0x20 TTL=48 ID=42238 PROTO=TCP SPT=34673 DPT=22 WINDOW=59165 RES=0x00 SYN URGP=0
  127. [34621.717680] IN=eth2 OUT= MAC=00:0e:c6:88:7c:ae:20:e5:2a:b7:f5:3f:08:00 SRC=123.207.171.173 DST=173.11.111.146 LEN=40 TOS=0x00 PREC=0x20 TTL=237 ID=23897 PROTO=TCP SPT=58268 DPT=1433 WINDOW=1024 RES=0x00 SYN URGP=0
  128. [34724.442596] usb 2-1.4: USB disconnect, device number 16
  129. [34724.581134] usb 2-1: reset SuperSpeed USB device number 2 using xhci_hcd
  130. [34725.252487] usb 2-1.4: new SuperSpeed USB device number 17 using xhci_hcd
  131. [34725.522291] usb 2-1.4: New USB device found, idVendor=2109, idProduct=0812
  132. [34725.543654] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  133. [34725.566278] usb 2-1.4: Product: USB3.0 Hub
  134. [34725.582652] usb 2-1.4: Manufacturer: VIA Labs, Inc.
  135. [34725.600572] alloc_contig_range: [61e523, 61e524) PFNs busy
  136. [34725.619590] hub 2-1.4:1.0: USB hub found
  137. [34725.632166] hub 2-1.4:1.0: 4 ports detected
  138. [34776.826800] BUG: workqueue lockup - pool cpus=6 node=0 flags=0x0 nice=0 stuck for 33s!
  139. [34776.852059] Showing busy workqueues and worker pools:
  140. [34776.868676] workqueue events: flags=0x0
  141. [34776.881608]   pwq 12: cpus=6 node=0 flags=0x0 nice=0 active=16/256
  142. [34776.901594]     pending: cache_reap, wait_rcu_exp_gp, update_writeback_rate [bcache], drm_fb_helper_dirty_work, write_dirty_finish [bcache], kernfs_notify_workfn, write_dirty [bcache], write_dirty_finish [bcache], write_dirty [bcache], write_dirty [bcache], write_dirty [bcache], write_dirty_finish [bcache], write_dirty_finish [bcache], write_dirty [bcache], write_dirty [bcache], usb_serial_port_work [usbserial]
  143. [34777.016821]   pwq 8: cpus=4 node=0 flags=0x0 nice=0 active=1/256
  144. [34777.036460]     in-flight: 7103:write_dirty [bcache]
  145. [34777.053008] workqueue events_unbound: flags=0x2
  146. [34777.068285]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=1/512
  147. [34777.086961]     in-flight: 4381:call_usermodehelper_exec_work  
  148. [34777.105873] workqueue writeback: flags=0x4e
  149. [34777.120095]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=1/256
  150. [34777.138719]     in-flight: 4436:wb_workfn
  151. [34777.152367] workqueue btrfs-delalloc: flags=0xe
  152. [34777.167469]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=1/8
  153. [34777.185257]     in-flight: 14660:btrfs_delalloc_helper
  154. [34777.202267] workqueue btrfs-endio-write: flags=0xe
  155. [34777.218313]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=8/8
  156. [34777.236548]     in-flight: 15168:btrfs_endio_write_helper, 13855:btrfs_endio_write_helper, 3360:btrfs_endio_write_helper, 14241:btrfs_endio_write_helper, 27092:btrfs_endio_write_helper, 15194:btrfs_endio_write_helper, 15169:btrfs_endio_write_helper, 27093:btrfs_endio_write_helper
  157. [34777.316225]     delayed: btrfs_endio_write_helper, btrfs_endio_write_helper, btrfs_endio_write_helper, btrfs_endio_write_helper, btrfs_endio_write_helper, btrfs_endio_write_helper
  158. [34777.368068] workqueue btrfs-extent-refs: flags=0xe
  159. [34777.384067]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=1/1
  160. [34777.402941]     in-flight: 12844:btrfs_extent_refs_helper
  161. [34777.421054]     delayed: btrfs_extent_refs_helper, btrfs_extent_refs_helper, btrfs_extent_refs_helper
  162. [34777.450684] workqueue bcache: flags=0x8
  163. [34777.464237]   pwq 14: cpus=7 node=0 flags=0x0 nice=0 active=19/256
  164. [34777.484801]     in-flight: 17362:cached_dev_read_done [bcache], 17298:cached_dev_read_done [bcache], 17377:cached_dev_read_done [bcache], 17359:cached_dev_read_done [bcache], 17308:cached_dev_read_done [bcache], 17225:cached_dev_read_done [bcache], 17243:cached_dev_read_done [bcache], 17231:cached_dev_read_done [bcache], 17390:cached_dev_read_done [bcache], 17250:cached_dev_read_done [bcache], 17239:cached_dev_read_done [bcache], 17223:cached_dev_read_done [bcache], 17324:cached_dev_read_done [bcache], 17392:cached_dev_read_done [bcache], 17238:cached_dev_read_done [bcache], 17178:cached_dev_read_done [bcache], 17357:cached_dev_read_done [bcache], 17208:cached_dev_read_done [bcache], 17184:cached_dev_read_done [bcache]  
  165. [34777.685901]   pwq 12: cpus=6 node=0 flags=0x0 nice=0 active=70/256
  166. [34777.707172]     in-flight: 23356:cached_dev_read_done [bcache], 23335:cached_dev_read_done [bcache], 23340:cached_dev_read_done [bcache], 9834:cached_dev_read_done [bcache], 23362:cached_dev_read_done [bcache], 23336:cached_dev_read_done [bcache], 9540:cached_dev_read_done [bcache], 23334:cached_dev_read_done [bcache], 9828:cached_dev_read_done [bcache], 23339:cached_dev_read_done [bcache], 9734:cached_dev_read_done [bcache], 23327:cached_dev_read_done [bcache], 5745:cached_dev_read_done [bcache], 23318:cached_dev_read_done [bcache], 22350:cached_dev_read_done [bcache], 9724:cached_dev_read_done [bcache], 23367:cached_dev_read_done [bcache], 23361:cached_dev_read_done [bcache], 22349:cached_dev_read_done [bcache], 22343:cached_dev_read_done [bcache], 9680:cached_dev_read_done [bcache], 23366:cached_dev_read_done [bcache]
  167. [34777.941582] , 23326:cached_dev_read_done [bcache], 22347:cached_dev_read_done [bcache], 23418:cached_dev_read_done [bcache], 23355:cached_dev_read_done [bcache], 23333:cached_dev_read_done [bcache], 22352:cached_dev_read_done [bcache], 9774:cached_dev_read_done [bcache], 23324:cached_dev_read_done [bcache], 23360:cached_dev_read_done [bcache], 23320:cached_dev_read_done [bcache], 23322:cached_dev_read_done [bcache], 9687:cached_dev_read_done [bcache], 23365:cached_dev_read_done [bcache], 22344:cached_dev_read_done [bcache], 23325:cached_dev_read_done [bcache], 22348:cached_dev_read_done [bcache], 22339:cached_dev_read_done [bcache], 23331:cached_dev_read_done [bcache], 23354:cached_dev_read_done [bcache], 9754:cached_dev_read_done [bcache], 9730:cached_dev_read_done [bcache], 23338:cached_dev_read_done [bcache]
  168. [34778.175226] , 23330:cached_dev_read_done [bcache], 9831:cached_dev_read_done [bcache], 23319:cached_dev_read_done [bcache], 23321:cached_dev_read_done [bcache], 23323:cached_dev_read_done [bcache], 9621:cached_dev_read_done [bcache], 9810:cached_dev_read_done [bcache], 22351:cached_dev_read_done [bcache], 9632:cached_dev_read_done [bcache], 23364:cached_dev_read_done [bcache], 23342:cached_dev_read_done [bcache], 22345:cached_dev_read_done [bcache], 23337:cached_dev_read_done [bcache], 9747:cached_dev_read_done [bcache], 23329:cached_dev_read_done [bcache], 22342:cached_dev_read_done [bcache], 22341:cached_dev_read_done [bcache], 23341:cached_dev_read_done [bcache], 22340:cached_dev_read_done [bcache], 23359:cached_dev_read_done [bcache], 9778:cached_dev_read_done [bcache], 23363:cached_dev_read_done [bcache]
  169. [34778.408015] , 23328:cached_dev_read_done [bcache], 23317:cached_dev_read_done [bcache], 9775:cached_dev_read_done [bcache], 22346:cached_dev_read_done [bcache]
  170. [34778.456649]   pwq 10: cpus=5 node=0 flags=0x0 nice=0 active=86/256
  171. [34778.478077]     in-flight: 22540:cached_dev_read_done [bcache], 8042:cached_dev_read_done [bcache], 22568:cached_dev_read_done [bcache], 22532:cached_dev_read_done [bcache], 8011:cached_dev_read_done [bcache], 22551:cached_dev_read_done [bcache], 22518:cached_dev_read_done [bcache], 22506:cached_dev_read_done [bcache], 22581:cached_dev_read_done [bcache], 22547:cached_dev_read_done [bcache], 8097:cached_dev_read_done [bcache], 22552:cached_dev_read_done [bcache], 6726:cached_dev_read_done [bcache], 22527:cached_dev_read_done [bcache], 22557:cached_dev_read_done [bcache], 8077:cached_dev_read_done [bcache], 6723:cached_dev_read_done [bcache], 22544:cached_dev_read_done [bcache], 22505:cached_dev_read_done [bcache], 22561:cached_dev_read_done [bcache], 22555:cached_dev_read_done [bcache], 22537:cached_dev_read_done [bcache]
  172. [34778.717521] , 22525:cached_dev_read_done [bcache], 6659:cached_dev_read_done [bcache], 6805:cached_dev_read_done [bcache], 8083:cached_dev_read_done [bcache], 6768:cached_dev_read_done [bcache], 22497:cached_dev_read_done [bcache], 6777:cached_dev_read_done [bcache], 6715:cached_dev_read_done [bcache], 8114:cached_dev_read_done [bcache], 22563:cached_dev_read_done [bcache], 22523:cached_dev_read_done [bcache], 7124:cached_dev_read_done [bcache], 6754:cached_dev_read_done [bcache], 22578:cached_dev_read_done [bcache], 8023:cached_dev_read_done [bcache], 8106:cached_dev_read_done [bcache], 7037:cached_dev_read_done [bcache], 8092:cached_dev_read_done [bcache], 22500:cached_dev_read_done [bcache], 22562:cached_dev_read_done [bcache], 22509:cached_dev_read_done [bcache], 6751:cached_dev_read_done [bcache]
  173. [34778.953306] , 22533:cached_dev_read_done [bcache], 6923:cached_dev_read_done [bcache], 22560:cached_dev_read_done [bcache], 22576:cached_dev_read_done [bcache], 8055:cached_dev_read_done [bcache], 22508:cached_dev_read_done [bcache], 22546:cached_dev_read_done [bcache], 22573:cached_dev_read_done [bcache], 22567:cached_dev_read_done [bcache], 22571:cached_dev_read_done [bcache], 22577:cached_dev_read_done [bcache], 22545:cached_dev_read_done [bcache], 22572:cached_dev_read_done [bcache], 22530:cached_dev_read_done [bcache], 22574:cached_dev_read_done [bcache], 22564:cached_dev_read_done [bcache], 6807:cached_dev_read_done [bcache], 22559:cached_dev_read_done [bcache], 6816:cached_dev_read_done [bcache], 22575:cached_dev_read_done [bcache], 6766:cached_dev_read_done [bcache], 22558:cached_dev_read_done [bcache]
  174. [34779.191489] , 22521:cached_dev_read_done [bcache], 22579:cached_dev_read_done [bcache], 22519:cached_dev_read_done [bcache], 22512:cached_dev_read_done [bcache], 22507:cached_dev_read_done [bcache], 22580:cached_dev_read_done [bcache], 22501:cached_dev_read_done [bcache], 6721:cached_dev_read_done [bcache], 7121:cached_dev_read_done [bcache], 22550:cached_dev_read_done [bcache], 22504:cached_dev_read_done [bcache], 22515:cached_dev_read_done [bcache], 22529:cached_dev_read_done [bcache], 22542:cached_dev_read_done [bcache], 22502:cached_dev_read_done [bcache], 6874:cached_dev_read_done [bcache], 6595:cached_dev_read_done [bcache], 8070:cached_dev_read_done [bcache], 22499:cached_dev_read_done [bcache], 8054:cached_dev_read_done [bcache]
  175. [34779.406332]   pwq 8: cpus=4 node=0 flags=0x0 nice=0 active=13/256
  176. [34779.427972]     in-flight: 7079:cache_lookup [bcache], 6607:cached_dev_read_done [bcache], 16797:cached_dev_read_done [bcache], 7120:cached_dev_read_done [bcache], 6402:cached_dev_read_done [bcache], 6348:cached_dev_read_done [bcache], 6353:cached_dev_read_done [bcache], 6351:cached_dev_read_done [bcache], 6636:cached_dev_read_done [bcache], 6388:cached_dev_read_done [bcache], 6737:cached_dev_read_done [bcache], 6398:cached_dev_read_done [bcache], 16792:cached_dev_read_done [bcache]
  177. [34779.569913]   pwq 6: cpus=3 node=0 flags=0x0 nice=0 active=2/256
  178.  
  179. [34779.591111]     in-flight: 9395:cached_dev_read_done [bcache], 9437:cached_dev_read_done [bcache]
  180. [34779.620913]   pwq 4: cpus=2 node=0 flags=0x0 nice=0 active=7/256
  181. [34779.642241]     in-flight: 6844:cached_dev_read_done [bcache], 7705:cached_dev_read_done [bcache], 7819:cached_dev_read_done [bcache], 7872:cached_dev_read_done [bcache], 8923:cached_dev_read_done [bcache], 7786:cached_dev_read_done [bcache], 7843:cached_dev_read_done [bcache]
  182. [34779.725816]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=19/256
  183. [34779.747378]     in-flight: 17449:cached_dev_read_done [bcache], 17428:cached_dev_read_done [bcache], 17438:cached_dev_read_done [bcache], 8368:cached_dev_read_done [bcache], 17439:cached_dev_read_done [bcache], 8296:cached_dev_read_done [bcache], 8458:cached_dev_read_done [bcache], 5916:cached_dev_read_done [bcache], 17426:cached_dev_read_done [bcache], 17422:cached_dev_read_done [bcache], 17424:cached_dev_read_done [bcache], 17443:cached_dev_read_done [bcache], 17440:cached_dev_read_done [bcache], 17446:cached_dev_read_done [bcache], 8428:cached_dev_read_done [bcache], 6474:cached_dev_read_done [bcache], 17441:cached_dev_read_done [bcache], 8339:cached_dev_read_done [bcache], 17429:cached_dev_read_done [bcache]
  184. [34779.956462]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=256/256
  185. [34779.978283]     in-flight: 15320:cached_dev_read_done [bcache], 23385:cached_dev_read_done [bcache], 23371:cached_dev_read_done [bcache], 15321:cached_dev_read_done [bcache], 15395:cached_dev_read_done [bcache], 11101:cached_dev_read_done [bcache], 15300:cached_dev_read_done [bcache], 23349:cached_dev_read_done [bcache], 23425:cached_dev_read_done [bcache], 23399:cached_dev_read_done [bcache], 15293:cached_dev_read_done [bcache], 20529:cached_dev_read_done [bcache], 15402:cached_dev_read_done [bcache], 23422:cached_dev_read_done [bcache], 23417:cached_dev_read_done [bcache], 23409:cached_dev_read_done [bcache], 20539:cached_dev_read_done [bcache], 23431:cached_dev_read_done [bcache], 20544:cached_dev_read_done [bcache], 15355:cached_dev_read_done [bcache], 11085:cached_dev_read_done [bcache], 6511:cached_dev_read_done [bcache]  
  186. [34780.220317] , 23403:cached_dev_read_done [bcache], 6899:cached_dev_read_done [bcache], 11131:cached_dev_read_done [bcache], 15357:cached_dev_read_done [bcache], 6896:cached_dev_read_done [bcache], 15310:cached_dev_read_done [bcache], 15312:cached_dev_read_done [bcache], 11113:cached_dev_read_done [bcache], 23423:cached_dev_read_done [bcache], 23402:cached_dev_read_done [bcache], 23388:cached_dev_read_done [bcache], 23351:cached_dev_read_done [bcache], 6539:cached_dev_read_done [bcache], 11103:cached_dev_read_done [bcache], 11083:cached_dev_read_done [bcache], 11096:cached_dev_read_done [bcache], 6865:cached_dev_read_done [bcache], 20536:cached_dev_read_done [bcache], 11107:cached_dev_read_done [bcache], 7027:cached_dev_read_done [bcache], 15305:cached_dev_read_done [bcache], 15352:cached_dev_read_done [bcache]
  187. [34780.458910] , 6801:cached_dev_read_done [bcache], 11112:cached_dev_read_done [bcache], 15322:cached_dev_read_done [bcache], 15336:cached_dev_read_done [bcache], 20528:cached_dev_read_done [bcache], 23387:cached_dev_read_done [bcache], 23384:cached_dev_read_done [bcache], 23370:cached_dev_read_done [bcache], 23353:cached_dev_read_done [bcache], 11120:cached_dev_read_done [bcache], 15331:cached_dev_read_done [bcache], 20537:cached_dev_read_done [bcache], 23408:cached_dev_read_done [bcache], 6848:cached_dev_read_done [bcache], 23407:cached_dev_read_done [bcache], 23348:cached_dev_read_done [bcache], 15400:cached_dev_read_done [bcache], 23421:cached_dev_read_done [bcache], 11104:cached_dev_read_done [bcache], 6037:cached_dev_read_done [bcache], 6936:cached_dev_read_done [bcache], 23430:cached_dev_read_done [bcache]
  188. [34780.697821] , 23398:cached_dev_read_done [bcache], 15399:cached_dev_read_done [bcache], 23420:cached_dev_read_done [bcache], 15334:cached_dev_read_done [bcache], 23395:cached_dev_read_done [bcache], 6901:cached_dev_read_done [bcache], 23401:cached_dev_read_done [bcache], 23378:cached_dev_read_done [bcache], 23350:cached_dev_read_done [bcache], 20535:cached_dev_read_done [bcache], 6465:cached_dev_read_done [bcache], 11095:cached_dev_read_done [bcache], 23416:cached_dev_read_done [bcache], 7005:cached_dev_read_done [bcache], 15376:cached_dev_read_done [bcache], 23357:cached_dev_read_done [bcache], 23346:cached_dev_read_done [bcache], 15391:cached_dev_read_done [bcache], 6785:cached_dev_read_done [bcache], 15308:cached_dev_read_done [bcache], 6994:cached_dev_read_done [bcache], 15330:cached_dev_read_done [bcache]
  189. [34780.936404] , 15290:cached_dev_read_done [bcache], 15345:cached_dev_read_done [bcache], 6933:cached_dev_read_done [bcache], 23347:cached_dev_read_done [bcache], 6463:cached_dev_read_done [bcache], 23412:cached_dev_read_done [bcache], 23393:cached_dev_read_done [bcache], 23383:cached_dev_read_done [bcache], 23369:cached_dev_read_done [bcache], 6952:cached_dev_read_done [bcache], 6861:cached_dev_read_done [bcache], 6928:cached_dev_read_done [bcache], 23344:cached_dev_read_done [bcache], 6972:cached_dev_read_done [bcache], 23391:cached_dev_read_done [bcache], 15307:cached_dev_read_done [bcache], 15375:cached_dev_read_done [bcache], 6974:cached_dev_read_done [bcache], 6036:cache_lookup [bcache], 23397:cached_dev_read_done [bcache], 23380:cached_dev_read_done [bcache], 11124:cached_dev_read_done [bcache]
  190. [34781.172223] , 20530:cached_dev_read_done [bcache], 15304:cached_dev_read_done [bcache], 23429:cached_dev_read_done [bcache], 23374:cached_dev_read_done [bcache], 11129:cached_dev_read_done [bcache], 23413:cached_dev_read_done [bcache], 23394:cached_dev_read_done [bcache], 6946:cached_dev_read_done [bcache], 6950:cached_dev_read_done [bcache], 15385:cached_dev_read_done [bcache], 11111:cached_dev_read_done [bcache], 6902:cached_dev_read_done [bcache], 23415:cached_dev_read_done [bcache], 23377:cached_dev_read_done [bcache], 15348:cached_dev_read_done [bcache], 15295:cached_dev_read_done [bcache], 23428:cached_dev_read_done [bcache], 23345:cached_dev_read_done [bcache], 20542:cached_dev_read_done [bcache], 20540:cached_dev_read_done [bcache], 6937:cached_dev_read_done [bcache], 6883:cached_dev_read_done [bcache]
  191. [34781.409639] , 20532:cached_dev_read_done [bcache], 20534:cached_dev_read_done [bcache], 15354:cached_dev_read_done [bcache], 23382:cached_dev_read_done [bcache], 23368:cached_dev_read_done [bcache], 11097:cached_dev_read_done [bcache], 15368:cached_dev_read_done [bcache], 15335:cached_dev_read_done [bcache], 23411:cached_dev_read_done [bcache], 11086:cached_dev_read_done [bcache], 15340:cached_dev_read_done [bcache], 11102:cached_dev_read_done [bcache], 15384:cached_dev_read_done [bcache], 11105:cached_dev_read_done [bcache], 15351:cached_dev_read_done [bcache], 15388:cached_dev_read_done [bcache], 11098:cached_dev_read_done [bcache], 15316:cached_dev_read_done [bcache], 11135:cached_dev_read_done [bcache], 23396:cached_dev_read_done [bcache], 23379:cached_dev_read_done [bcache], 23373:cached_dev_read_done [bcache]
  192. [34781.650390] , 20526:cached_dev_read_done [bcache], 15325:cached_dev_read_done [bcache], 15328:cache_lookup [bcache], 20533:cached_dev_read_done [bcache], 15401:cached_dev_read_done [bcache], 15302:cached_dev_read_done [bcache], 15373:cached_dev_read_done [bcache], 23376:cached_dev_read_done [bcache], 20541:cached_dev_read_done [bcache], 6991:cached_dev_read_done [bcache], 20524:cached_dev_read_done [bcache], 6509:cached_dev_read_done [bcache], 15364:cached_dev_read_done [bcache], 6924:cached_dev_read_done [bcache], 15313:cached_dev_read_done [bcache], 23427:cached_dev_read_done [bcache], 20531:cached_dev_read_done [bcache], 20527:cached_dev_read_done [bcache], 23390:cached_dev_read_done [bcache], 15317:cached_dev_read_done [bcache], 11126:cached_dev_read_done [bcache], 15338:cached_dev_read_done [bcache]
  193. [34781.886896] , 15358:cached_dev_read_done [bcache], 15404:cached_dev_read_done [bcache], 15386:cached_dev_read_done [bcache], 23358:cached_dev_read_done [bcache], 11100:cached_dev_read_done [bcache], 15327:cached_dev_read_done [bcache], 6979:cached_dev_read_done [bcache], 11088:cached_dev_read_done [bcache], 11089:cached_dev_read_done [bcache], 23410:cached_dev_read_done [bcache], 23405:cached_dev_read_done [bcache], 23381:cached_dev_read_done [bcache], 6969:cached_dev_read_done [bcache], 11137:cached_dev_read_done [bcache], 6538:cached_dev_read_done [bcache], 20543:cached_dev_read_done [bcache], 15361:cached_dev_read_done [bcache], 20523:cached_dev_read_done [bcache], 6892:cached_dev_read_done [bcache], 6966:cached_dev_read_done [bcache], 11122:cached_dev_read_done [bcache], 15314:cached_dev_read_done [bcache]
  194. [34782.126384] , 6971:cached_dev_read_done [bcache], 15326:cached_dev_read_done [bcache], 6888:cached_dev_read_done [bcache], 6932:cached_dev_read_done [bcache], 23386:cached_dev_read_done [bcache], 23372:cached_dev_read_done [bcache], 15394:cached_dev_read_done [bcache], 11121:cached_dev_read_done [bcache], 15405:cached_dev_read_done [bcache], 6864:cached_dev_read_done [bcache], 23414:cached_dev_read_done [bcache], 23375:cached_dev_read_done [bcache], 15311:cached_dev_read_done [bcache], 6897:cached_dev_read_done [bcache], 11082:cached_dev_read_done [bcache], 11141:cached_dev_read_done [bcache], 23426:cached_dev_read_done [bcache], 23400:cached_dev_read_done [bcache], 23419:cached_dev_read_done [bcache], 20538:cached_dev_read_done [bcache], 11092:cached_dev_read_done [bcache], 6477:cached_dev_read_done [bcache]
  195. [34782.365594] , 11094:cached_dev_read_done [bcache], 15398:cached_dev_read_done [bcache], 23406:cached_dev_read_done [bcache], 11118:cached_dev_read_done [bcache], 15298:cached_dev_read_done [bcache], 15356:cached_dev_read_done [bcache], 23392:cached_dev_read_done [bcache], 23343:cached_dev_read_done [bcache], 20525:cached_dev_read_done [bcache], 6949:cached_dev_read_done [bcache], 7011:cached_dev_read_done [bcache], 23404:cached_dev_read_done [bcache], 11081:cached_dev_read_done [bcache], 11093:cached_dev_read_done [bcache], 15389:cached_dev_read_done [bcache], 11091:cached_dev_read_done [bcache], 23389:cached_dev_read_done [bcache], 23352:cached_dev_read_done [bcache], 15381:cached_dev_read_done [bcache], 11110:cached_dev_read_done [bcache], 6948:cached_dev_read_done [bcache], 23424:cached_dev_read_done [bcache]
  196. [34782.605685] , 6916:cached_dev_read_done [bcache], 6795:cached_dev_read_done [bcache], 6887:cached_dev_read_done [bcache], 6945:cached_dev_read_done [bcache], 6786:cached_dev_read_done [bcache], 6893:cached_dev_read_done [bcache], 11133:cached_dev_read_done [bcache], 11115:cached_dev_read_done [bcache], 15309:cached_dev_read_done [bcache], 6510:cached_dev_read_done [bcache], 11106:cached_dev_read_done [bcache], 15377:cached_dev_read_done [bcache], 15289:cached_dev_read_done [bcache], 11116:cached_dev_read_done [bcache]
  197. [34782.759735]     delayed: cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache]  
  198. [34782.877675] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=6s workers=259 idle: 23434 23436 23432
  199. [34782.906918] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=1s workers=25 idle: 8440 17432 8365 17423 17431 17427
  200. [34782.940062] pool 4: cpus=2 node=0 flags=0x0 nice=0 hung=1s workers=11 idle: 7745 7793 7821 22338
  201. [34782.969775] pool 6: cpus=3 node=0 flags=0x0 nice=0 hung=0s workers=5 idle: 9520 9497 7264
  202. [34782.997622] pool 8: cpus=4 node=0 flags=0x0 nice=0 hung=0s workers=188 idle: 6431 6733 6631 16800 6387 6430
  203. [34966.781338]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=256/256
  204. [34966.803139]     in-flight: 15320:cached_dev_read_done [bcache], 23385:cached_dev_read_done [bcache], 23371:cached_dev_read_done [bcache], 15321:cached_dev_read_done [bcache], 15395:cached_dev_read_done [bcache], 11101:cached_dev_read_done [bcache], 15300:cached_dev_read_done [bcache], 23349:cached_dev_read_done [bcache], 23425:cached_dev_read_done [bcache], 23399:cached_dev_read_done [bcache], 15293:cached_dev_read_done [bcache], 20529:cached_dev_read_done [bcache], 15402:cached_dev_read_done [bcache], 23422:cached_dev_read_done [bcache], 23417:cached_dev_read_done [bcache], 23409:cached_dev_read_done [bcache], 20539:cached_dev_read_done [bcache], 23431:cached_dev_read_done [bcache], 20544:cached_dev_read_done [bcache], 15355:cached_dev_read_done [bcache], 11085:cached_dev_read_done [bcache], 6511:cached_dev_read_done [bcache]
  205. [34967.046064] , 23403:cached_dev_read_done [bcache], 6899:cached_dev_read_done [bcache], 11131:cached_dev_read_done [bcache], 15357:cached_dev_read_done [bcache], 6896:cached_dev_read_done [bcache], 15310:cached_dev_read_done [bcache], 15312:cached_dev_read_done [bcache], 11113:cached_dev_read_done [bcache], 23423:cached_dev_read_done [bcache], 23402:cached_dev_read_done [bcache], 23388:cached_dev_read_done [bcache], 23351:cached_dev_read_done [bcache], 6539:cached_dev_read_done [bcache], 11103:cached_dev_read_done [bcache], 11083:cached_dev_read_done [bcache], 11096:cached_dev_read_done [bcache], 6865:cached_dev_read_done [bcache], 20536:cached_dev_read_done [bcache], 11107:cached_dev_read_done [bcache], 7027:cached_dev_read_done [bcache], 15305:cached_dev_read_done [bcache], 15352:cached_dev_read_done [bcache]
  206. [34967.283618] , 6801:cached_dev_read_done [bcache], 11112:cached_dev_read_done [bcache], 15322:cached_dev_read_done [bcache], 15336:cached_dev_read_done [bcache], 20528:cached_dev_read_done [bcache], 23387:cached_dev_read_done [bcache], 23384:cached_dev_read_done [bcache], 23370:cached_dev_read_done [bcache], 23353:cached_dev_read_done [bcache], 11120:cached_dev_read_done [bcache], 15331:cached_dev_read_done [bcache], 20537:cached_dev_read_done [bcache], 23408:cached_dev_read_done [bcache], 6848:cached_dev_read_done [bcache], 23407:cached_dev_read_done [bcache], 23348:cached_dev_read_done [bcache], 15400:cached_dev_read_done [bcache], 23421:cached_dev_read_done [bcache], 11104:cached_dev_read_done [bcache], 6037:cached_dev_read_done [bcache], 6936:cached_dev_read_done [bcache], 23430:cached_dev_read_done [bcache]
  207. [34967.522373] , 23398:cached_dev_read_done [bcache], 15399:cached_dev_read_done [bcache], 23420:cached_dev_read_done [bcache], 15334:cached_dev_read_done [bcache], 23395:cached_dev_read_done [bcache], 6901:cached_dev_read_done [bcache], 23401:cached_dev_read_done [bcache], 23378:cached_dev_read_done [bcache], 23350:cached_dev_read_done [bcache], 20535:cached_dev_read_done [bcache], 6465:cached_dev_read_done [bcache], 11095:cached_dev_read_done [bcache], 23416:cached_dev_read_done [bcache], 7005:cached_dev_read_done [bcache], 15376:cached_dev_read_done [bcache], 23357:cached_dev_read_done [bcache], 23346:cached_dev_read_done [bcache], 15391:cached_dev_read_done [bcache], 6785:cached_dev_read_done [bcache], 15308:cached_dev_read_done [bcache], 6994:cached_dev_read_done [bcache], 15330:cached_dev_read_done [bcache]
  208. [34967.760907] , 15290:cached_dev_read_done [bcache], 15345:cached_dev_read_done [bcache], 6933:cached_dev_read_done [bcache], 23347:cached_dev_read_done [bcache], 6463:cached_dev_read_done [bcache], 23412:cached_dev_read_done [bcache], 23393:cached_dev_read_done [bcache], 23383:cached_dev_read_done [bcache], 23369:cached_dev_read_done [bcache], 6952:cached_dev_read_done [bcache], 6861:cached_dev_read_done [bcache], 6928:cached_dev_read_done [bcache], 23344:cached_dev_read_done [bcache], 6972:cached_dev_read_done [bcache], 23391:cached_dev_read_done [bcache], 15307:cached_dev_read_done [bcache], 15375:cached_dev_read_done [bcache], 6974:cached_dev_read_done [bcache], 6036:cache_lookup [bcache], 23397:cached_dev_read_done [bcache], 23380:cached_dev_read_done [bcache], 11124:cached_dev_read_done [bcache]
  209. [34967.996592] , 20530:cached_dev_read_done [bcache], 15304:cached_dev_read_done [bcache], 23429:cached_dev_read_done [bcache], 23374:cached_dev_read_done [bcache], 11129:cached_dev_read_done [bcache], 23413:cached_dev_read_done [bcache], 23394:cached_dev_read_done [bcache], 6946:cached_dev_read_done [bcache], 6950:cached_dev_read_done [bcache], 15385:cached_dev_read_done [bcache], 11111:cached_dev_read_done [bcache], 6902:cached_dev_read_done [bcache], 23415:cached_dev_read_done [bcache], 23377:cached_dev_read_done [bcache], 15348:cached_dev_read_done [bcache], 15295:cached_dev_read_done [bcache], 23428:cached_dev_read_done [bcache], 23345:cached_dev_read_done [bcache], 20542:cached_dev_read_done [bcache], 20540:cached_dev_read_done [bcache], 6937:cached_dev_read_done [bcache], 6883:cached_dev_read_done [bcache]
  210. [34968.235639] , 20532:cached_dev_read_done [bcache], 20534:cached_dev_read_done [bcache], 15354:cached_dev_read_done [bcache], 23382:cached_dev_read_done [bcache], 23368:cached_dev_read_done [bcache], 11097:cached_dev_read_done [bcache], 15368:cached_dev_read_done [bcache], 15335:cached_dev_read_done [bcache], 23411:cached_dev_read_done [bcache], 11086:cached_dev_read_done [bcache], 15340:cached_dev_read_done [bcache], 11102:cached_dev_read_done [bcache], 15384:cached_dev_read_done [bcache], 11105:cached_dev_read_done [bcache], 15351:cached_dev_read_done [bcache], 15388:cached_dev_read_done [bcache], 11098:cached_dev_read_done [bcache], 15316:cached_dev_read_done [bcache], 11135:cached_dev_read_done [bcache], 23396:cached_dev_read_done [bcache], 23379:cached_dev_read_done [bcache], 23373:cached_dev_read_done [bcache]
  211. [34968.476243] , 20526:cached_dev_read_done [bcache], 15325:cached_dev_read_done [bcache], 15328:cache_lookup [bcache], 20533:cached_dev_read_done [bcache], 15401:cached_dev_read_done [bcache], 15302:cached_dev_read_done [bcache], 15373:cached_dev_read_done [bcache], 23376:cached_dev_read_done [bcache], 20541:cached_dev_read_done [bcache], 6991:cached_dev_read_done [bcache], 20524:cached_dev_read_done [bcache], 6509:cached_dev_read_done [bcache], 15364:cached_dev_read_done [bcache], 6924:cached_dev_read_done [bcache], 15313:cached_dev_read_done [bcache], 23427:cached_dev_read_done [bcache], 20531:cached_dev_read_done [bcache], 20527:cached_dev_read_done [bcache], 23390:cached_dev_read_done [bcache], 15317:cached_dev_read_done [bcache], 11126:cached_dev_read_done [bcache], 15338:cached_dev_read_done [bcache]
  212. [34968.714071] , 15358:cached_dev_read_done [bcache], 15404:cached_dev_read_done [bcache], 15386:cached_dev_read_done [bcache], 23358:cached_dev_read_done [bcache], 11100:cached_dev_read_done [bcache], 15327:cached_dev_read_done [bcache], 6979:cached_dev_read_done [bcache], 11088:cached_dev_read_done [bcache], 11089:cached_dev_read_done [bcache], 23410:cached_dev_read_done [bcache], 23405:cached_dev_read_done [bcache], 23381:cached_dev_read_done [bcache], 6969:cached_dev_read_done [bcache], 11137:cached_dev_read_done [bcache], 6538:cached_dev_read_done [bcache], 20543:cached_dev_read_done [bcache], 15361:cached_dev_read_done [bcache], 20523:cached_dev_read_done [bcache], 6892:cached_dev_read_done [bcache], 6966:cached_dev_read_done [bcache], 11122:cached_dev_read_done [bcache], 15314:cached_dev_read_done [bcache]
  213. [34968.953436] , 6971:cached_dev_read_done [bcache], 15326:cached_dev_read_done [bcache], 6888:cached_dev_read_done [bcache], 6932:cached_dev_read_done [bcache], 23386:cached_dev_read_done [bcache], 23372:cached_dev_read_done [bcache], 15394:cached_dev_read_done [bcache], 11121:cached_dev_read_done [bcache], 15405:cached_dev_read_done [bcache], 6864:cached_dev_read_done [bcache], 23414:cached_dev_read_done [bcache], 23375:cached_dev_read_done [bcache], 15311:cached_dev_read_done [bcache], 6897:cached_dev_read_done [bcache], 11082:cached_dev_read_done [bcache], 11141:cached_dev_read_done [bcache], 23426:cached_dev_read_done [bcache], 23400:cached_dev_read_done [bcache], 23419:cached_dev_read_done [bcache], 20538:cached_dev_read_done [bcache], 11092:cached_dev_read_done [bcache], 6477:cached_dev_read_done [bcache]
  214. [34969.192465] , 11094:cached_dev_read_done [bcache], 15398:cached_dev_read_done [bcache], 23406:cached_dev_read_done [bcache], 11118:cached_dev_read_done [bcache], 15298:cached_dev_read_done [bcache], 15356:cached_dev_read_done [bcache], 23392:cached_dev_read_done [bcache], 23343:cached_dev_read_done [bcache], 20525:cached_dev_read_done [bcache], 6949:cached_dev_read_done [bcache], 7011:cached_dev_read_done [bcache], 23404:cached_dev_read_done [bcache], 11081:cached_dev_read_done [bcache], 11093:cached_dev_read_done [bcache], 15389:cached_dev_read_done [bcache], 11091:cached_dev_read_done [bcache], 23389:cached_dev_read_done [bcache], 23352:cached_dev_read_done [bcache], 15381:cached_dev_read_done [bcache], 11110:cached_dev_read_done [bcache], 6948:cached_dev_read_done [bcache], 23424:cached_dev_read_done [bcache]
  215. [34969.432363] , 6916:cached_dev_read_done [bcache], 6795:cached_dev_read_done [bcache], 6887:cached_dev_read_done [bcache], 6945:cached_dev_read_done [bcache], 6786:cached_dev_read_done [bcache], 6893:cached_dev_read_done [bcache], 11133:cached_dev_read_done [bcache], 11115:cached_dev_read_done [bcache], 15309:cached_dev_read_done [bcache], 6510:cached_dev_read_done [bcache], 11106:cached_dev_read_done [bcache], 15377:cached_dev_read_done [bcache], 15289:cached_dev_read_done [bcache], 11116:cached_dev_read_done [bcache]
  216. [34969.587222]     delayed: cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], bch_data_insert_keys [bcache], cached_dev_read_done [bcache], bch_data_insert_keys [bcache], cached_dev_read_done [bcache], cached_dev_read_done [bcache], bch_data_insert_keys [bcache], bch_data_insert_keys [bcache], bch_data_insert_keys [bcache]
  217. [34969.791500] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=6s workers=259 manager: 23432 idle: 23436 23434
  218. [34969.823123] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=1s workers=25 idle: 8440 17432 8365 17423 17431 17427
  219. [34969.856257] pool 4: cpus=2 node=0 flags=0x0 nice=0 hung=0s workers=10 idle: 7745 7793 7821
  220. [34969.884402] pool 6: cpus=3 node=0 flags=0x0 nice=0 hung=0s workers=5 idle: 9520 9497 7264
  221. [34969.912072] pool 8: cpus=4 node=0 flags=0x0 nice=0 hung=0s workers=153 idle: 6733 6618 7101 16788 6431 7103 16787 16800 6387 6430 7054 26119 7106 16814 6749 16851 7077 6411 16863 7093 6438 6644 7111 6399 16820 6747 6392 6603 6428 6685 16857 6740 6426 6404 7065 7112 16805 6661 16807 16861 6382 16790 16794 16819 6610 6390 6727 7083 16853 6687 6673 6370 6632 16786 16846 6739 6600 16815 16824 7100 16804 7102 6424 16855 7067 6635 7051 6367 6378 16858 27823 6609 6381 7090 6613 7063 6415 5737 7057 6738 16803 16822 16796 7095 6385 16849 7110 6347 7081 6345 6354 6606 16848 7113 6433 16816 16813 7118 16809 16795 16799 7055 6645 5738 16802 7070 16798 6344 6671 6608 6421 6637 6638 6734 6425 6729 6682 16856 6612 16789 6368 16818 7074 6641 6375 16801 16821 16785 6394 7073 7108 6409 6732 16817 6379 16823 6439 6437
  222. [34970.147273] pool 10: cpus=5 node=0 flags=0x0 nice=0 hung=1s workers=147 idle: 22517 6832 8089 8032 22522 22510 22548 22536 22503 22513 6823 8025 6597 8039 22511 8116 7044 22539 22498 7013 22531 6840 6718 22534 6722 22566 22526 22565 22524 22549 22535 22556 22520 8063 6818 8030 22516 8091 22538 8046 8056 22554 6809 8026 22570 8087 22553 22541 4137 8060 8007 22569 22543 8028 6755 22528 22514 8068 8036 22582 22583
  223. [34970.269342] pool 12: cpus=6 node=0 flags=0x0 nice=0 hung=226s workers=71 manager: 23433
  224. [34970.296189] pool 14: cpus=7 node=0 flags=0x0 nice=0 hung=0s workers=25 idle: 17354 17276 17335 17334 17315 16512
  225. [34970.329854] pool 16: cpus=0-7 flags=0x4 nice=0 hung=0s workers=24 idle: 27461 12988 13050 13048 12823 655 20719 26075 13047 11025 13051 12989
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