4.11.0 bcache crash

[34169.044631] hub 2-1.4:1.0: USB hub found
[34169.057579] hub 2-1.4:1.0: 4 ports detected
[34318.067429] INFO: task rsync:15517 blocked for more than 120 seconds.
[34318.087625]       Tainted: G     U          4.11.0-amd64-preempt-sysrq-20170406 #2
[34318.111203] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[34318.135509] rsync           D    0 15517  15417 0x20020080
[34318.152799] Call Trace:
[34318.160913]  __schedule+0x4ef/0x627
[34318.172136]  schedule+0x89/0x9a
[34318.182319]  io_schedule+0x16/0x38
[34318.193267]  wait_on_page_bit_common+0xd8/0x151
[34318.207645]  ? inode_to_bdi+0x35/0x35
[34318.219364]  wait_on_page_bit+0x3b/0x3d
[34318.231613]  read_extent_buffer_pages+0x1c4/0x224
[34318.246467]  ? free_root_pointers+0x64/0x64
[34318.259738]  btree_read_extent_buffer_pages+0x5d/0xef
[34318.275608]  read_tree_block+0x33/0x4e
[34318.287617]  read_block_for_search.isra.21+0x211/0x264
[34318.303750]  btrfs_search_slot+0x52b/0x72e
[34318.316760]  btrfs_lookup_file_extent+0x49/0x5f
[34318.331099]  btrfs_get_extent+0x17d/0x77d
[34318.343916]  ? insert_state+0xd9/0x100
[34318.355981]  ? __set_extent_bit+0x100/0x3d6
[34318.369227]  ? __set_extent_bit+0x3a0/0x3d6
[34318.382530]  __do_readpage+0x259/0x58d
[34318.394457]  ? insert_reserved_file_extent.constprop.41+0x28e/0x28e
[34318.413955]  ? lock_extent_bits+0x6e/0x1af
[34318.426955]  __do_contiguous_readpages.constprop.33+0xc8/0xec
[34318.444889]  ? insert_reserved_file_extent.constprop.41+0x28e/0x28e
[34318.464422]  __extent_readpages.constprop.32+0xea/0xfd
[34318.480606]  ? lru_cache_add+0xe/0x10
[34318.492310]  extent_readpages+0x18e/0x1eb
[34318.505036]  ? insert_reserved_file_extent.constprop.41+0x28e/0x28e
[34318.524539]  ? alloc_pages_current+0x9b/0xbd
[34318.538011]  btrfs_readpages+0x1f/0x21
[34318.549891]  __do_page_cache_readahead+0x1af/0x27b
[34318.564879]  ondemand_readahead+0x21e/0x22f
[34318.578052]  ? ondemand_readahead+0x21e/0x22f
[34318.591752]  page_cache_sync_readahead+0x3d/0x3f
[34318.606156]  generic_file_read_iter+0x1e8/0x57e
[34318.620359]  ? dput+0x1f1/0x212
[34318.630325]  __vfs_read+0x88/0xc0
[34318.640814]  vfs_read+0xa4/0xdc
[34318.650760]  SyS_read+0x5c/0x9f
[34318.660763]  do_fast_syscall_32+0xb7/0xfe
[34318.673330]  entry_SYSENTER_compat+0x4c/0x5b
[34318.686677] RIP: 0023:0xf7799b39
[34318.696884] RSP: 002b:00000000ffc1c874 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[34318.720137] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000009629cf0
[34318.742089] RDX: 0000000000001000 RSI: 0000000009629b80 RDI: 00000000f7753960
[34318.764056] RBP: 00000000ffc1c8c8 R08: 0000000000000000 R09: 0000000000000000
[34318.785986] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[34318.807920] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[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
[34365.125077] rfx-xpl-static[8615]: segfault at 45476d ip 000000000804a62e sp 00000000ffd4efd0 error 4 in rfx-xpl-static[8048000+1c0000]
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
[34402.084574] usb 2-1.4: USB disconnect, device number 14
[34402.223858] usb 2-1: reset SuperSpeed USB device number 2 using xhci_hcd
[34402.899330] usb 2-1.4: new SuperSpeed USB device number 15 using xhci_hcd
[34403.173069] usb 2-1.4: New USB device found, idVendor=2109, idProduct=0812
[34403.194359] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[34403.216955] usb 2-1.4: Product: USB3.0 Hub
[34403.233277] usb 2-1.4: Manufacturer: VIA Labs, Inc.
[34403.251094] alloc_contig_range: [61e523, 61e524) PFNs busy
[34403.270129] hub 2-1.4:1.0: USB hub found
[34403.282709] hub 2-1.4:1.0: 4 ports detected
[34415.377180] usb 2-1.4: USB disconnect, device number 15
[34415.520097] usb 2-1: reset SuperSpeed USB device number 2 using xhci_hcd
[34416.191541] usb 2-1.4: new SuperSpeed USB device number 16 using xhci_hcd
[34416.465222] usb 2-1.4: New USB device found, idVendor=2109, idProduct=0812
[34416.486537] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[34416.509141] usb 2-1.4: Product: USB3.0 Hub
[34416.525469] usb 2-1.4: Manufacturer: VIA Labs, Inc.
[34416.543290] alloc_contig_range: [61e523, 61e524) PFNs busy
[34416.562400] hub 2-1.4:1.0: USB hub found
[34416.574966] hub 2-1.4:1.0: 4 ports detected
[34417.162172] usb 4-1.4.4: USB disconnect, device number 22
[34417.179158] ftdi_sio ttyUSB15: FTDI USB Serial Device converter now disconnected from ttyUSB15
[34417.205665] ftdi_sio 4-1.4.4:1.0: device disconnected
[34417.444828] usb 4-1.4.4: new full-speed USB device number 23 using ehci-pci
[34417.580683] usb 4-1.4.4: New USB device found, idVendor=0403, idProduct=6001
[34417.602911] usb 4-1.4.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[34417.626347] usb 4-1.4.4: Product: FT232R USB UART
[34417.641528] usb 4-1.4.4: Manufacturer: FTDI
[34417.654857] usb 4-1.4.4: SerialNumber: A800dMFk
[34417.672029] ftdi_sio 4-1.4.4:1.0: FTDI USB Serial Device converter detected
[34417.693749] usb 4-1.4.4: Detected FT232RL
[34417.706995] usb 4-1.4.4: FTDI USB Serial Device converter now attached to ttyUSB15
[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
[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
[34559.735364] INFO: task rsync:15517 blocked for more than 120 seconds.
[34559.755593]       Tainted: G     U          4.11.0-amd64-preempt-sysrq-20170406 #2
[34559.779098] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[34559.803772] rsync           D    0 15517  15417 0x20020080
[34559.821043] Call Trace:
[34559.829222]  __schedule+0x4ef/0x627
[34559.840577]  schedule+0x89/0x9a
[34559.850776]  io_schedule+0x16/0x38
[34559.861739]  wait_on_page_bit_common+0xd8/0x151
[34559.876107]  ? inode_to_bdi+0x35/0x35
[34559.887876]  wait_on_page_bit+0x3b/0x3d
[34559.900079]  read_extent_buffer_pages+0x1c4/0x224
[34559.914868]  ? free_root_pointers+0x64/0x64
[34559.928119]  btree_read_extent_buffer_pages+0x5d/0xef
[34559.943952]  read_tree_block+0x33/0x4e
[34559.955904]  read_block_for_search.isra.21+0x211/0x264
[34559.972025]  btrfs_search_slot+0x52b/0x72e
[34559.984974]  ? C_SYSC_newfstat+0x64/0x64
[34559.997389]  btrfs_real_readdir+0x17d/0x3ed
[34560.010625]  ? fsnotify_perm+0x60/0x6c
[34560.022569]  iterate_dir+0xb5/0x151
[34560.033694]  ? __fget_light+0x2c/0x4d
[34560.045341]  compat_SyS_getdents64+0xa6/0x10f
[34560.059075]  ? C_SYSC_newfstat+0x64/0x64
[34560.071543]  do_fast_syscall_32+0xb7/0xfe
[34560.084301]  ? do_fast_syscall_32+0xb7/0xfe
[34560.097487]  entry_SYSENTER_compat+0x4c/0x5b
[34560.111090] RIP: 0023:0xf7799b39
[34560.121458] RSP: 002b:00000000ffc1aaa4 EFLAGS: 00000246 ORIG_RAX: 00000000000000dc

[34560.144853] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000963c9ac
[34560.166914] RDX: 0000000000008000 RSI: 000000000963c9ac RDI: 00000000ffffffc0
[34560.188977] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[34560.211007] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[34560.233056] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[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
[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
[34724.442596] usb 2-1.4: USB disconnect, device number 16
[34724.581134] usb 2-1: reset SuperSpeed USB device number 2 using xhci_hcd
[34725.252487] usb 2-1.4: new SuperSpeed USB device number 17 using xhci_hcd
[34725.522291] usb 2-1.4: New USB device found, idVendor=2109, idProduct=0812
[34725.543654] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[34725.566278] usb 2-1.4: Product: USB3.0 Hub
[34725.582652] usb 2-1.4: Manufacturer: VIA Labs, Inc.
[34725.600572] alloc_contig_range: [61e523, 61e524) PFNs busy
[34725.619590] hub 2-1.4:1.0: USB hub found
[34725.632166] hub 2-1.4:1.0: 4 ports detected
[34776.826800] BUG: workqueue lockup - pool cpus=6 node=0 flags=0x0 nice=0 stuck for 33s!
[34776.852059] Showing busy workqueues and worker pools:
[34776.868676] workqueue events: flags=0x0
[34776.881608]   pwq 12: cpus=6 node=0 flags=0x0 nice=0 active=16/256
[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]
[34777.016821]   pwq 8: cpus=4 node=0 flags=0x0 nice=0 active=1/256
[34777.036460]     in-flight: 7103:write_dirty [bcache]
[34777.053008] workqueue events_unbound: flags=0x2
[34777.068285]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=1/512
[34777.086961]     in-flight: 4381:call_usermodehelper_exec_work
[34777.105873] workqueue writeback: flags=0x4e
[34777.120095]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=1/256
[34777.138719]     in-flight: 4436:wb_workfn
[34777.152367] workqueue btrfs-delalloc: flags=0xe
[34777.167469]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=1/8
[34777.185257]     in-flight: 14660:btrfs_delalloc_helper
[34777.202267] workqueue btrfs-endio-write: flags=0xe
[34777.218313]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=8/8
[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
[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
[34777.368068] workqueue btrfs-extent-refs: flags=0xe
[34777.384067]   pwq 16: cpus=0-7 flags=0x4 nice=0 active=1/1
[34777.402941]     in-flight: 12844:btrfs_extent_refs_helper
[34777.421054]     delayed: btrfs_extent_refs_helper, btrfs_extent_refs_helper, btrfs_extent_refs_helper
[34777.450684] workqueue bcache: flags=0x8
[34777.464237]   pwq 14: cpus=7 node=0 flags=0x0 nice=0 active=19/256
[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]
[34777.685901]   pwq 12: cpus=6 node=0 flags=0x0 nice=0 active=70/256
[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]
[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]
[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]
[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]
[34778.456649]   pwq 10: cpus=5 node=0 flags=0x0 nice=0 active=86/256
[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]
[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]
[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]
[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]
[34779.406332]   pwq 8: cpus=4 node=0 flags=0x0 nice=0 active=13/256
[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]
[34779.569913]   pwq 6: cpus=3 node=0 flags=0x0 nice=0 active=2/256

[34779.591111]     in-flight: 9395:cached_dev_read_done [bcache], 9437:cached_dev_read_done [bcache]
[34779.620913]   pwq 4: cpus=2 node=0 flags=0x0 nice=0 active=7/256
[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]
[34779.725816]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=19/256
[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]
[34779.956462]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=256/256
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[34782.877675] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=6s workers=259 idle: 23434 23436 23432
[34782.906918] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=1s workers=25 idle: 8440 17432 8365 17423 17431 17427
[34782.940062] pool 4: cpus=2 node=0 flags=0x0 nice=0 hung=1s workers=11 idle: 7745 7793 7821 22338
[34782.969775] pool 6: cpus=3 node=0 flags=0x0 nice=0 hung=0s workers=5 idle: 9520 9497 7264
[34782.997622] pool 8: cpus=4 node=0 flags=0x0 nice=0 hung=0s workers=188 idle: 6431 6733 6631 16800 6387 6430
[34966.781338]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=256/256
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[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]
[34969.791500] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=6s workers=259 manager: 23432 idle: 23436 23434
[34969.823123] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=1s workers=25 idle: 8440 17432 8365 17423 17431 17427
[34969.856257] pool 4: cpus=2 node=0 flags=0x0 nice=0 hung=0s workers=10 idle: 7745 7793 7821
[34969.884402] pool 6: cpus=3 node=0 flags=0x0 nice=0 hung=0s workers=5 idle: 9520 9497 7264
[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
[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
[34970.269342] pool 12: cpus=6 node=0 flags=0x0 nice=0 hung=226s workers=71 manager: 23433
[34970.296189] pool 14: cpus=7 node=0 flags=0x0 nice=0 hung=0s workers=25 idle: 17354 17276 17335 17334 17315 16512
[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