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bcachefs stack trace

Aug 15th, 2020
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  1. [232479.160431] INFO: task kworker/u16:11:3887904 blocked for more than 120 seconds.
  2. [232479.160452] Not tainted 5.7.12+ #2
  3. [232479.160460] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  4. [232479.160474] kworker/u16:11 D 0 3887904 2 0x80004000
  5. [232479.160478] Workqueue: writeback wb_workfn (flush-bcachefs-11)
  6. [232479.160478] Call Trace:
  7. [232479.160482] __schedule+0x2dd/0x780
  8. [232479.160483] ? blk_flush_plug_list+0xe3/0x110
  9. [232479.160484] schedule+0x55/0xc0
  10. [232479.160485] schedule_timeout+0x207/0x320
  11. [232479.160486] ? kmem_cache_alloc+0x16d/0x230
  12. [232479.160487] ? mempool_alloc_slab+0x17/0x20
  13. [232479.160488] __down+0x82/0xd0
  14. [232479.160489] ? __mod_memcg_state+0x10/0xa0
  15. [232479.160491] down+0x47/0x60
  16. [232479.160501] bch2_write+0x1e0/0x450 [bcachefs]
  17. [232479.160509] bch2_writepage_do_io.isra.0+0x41/0x70 [bcachefs]
  18. [232479.160515] __bch2_writepage+0x330/0x800 [bcachefs]
  19. [232479.160516] ? __mod_lruvec_state+0x44/0xf0
  20. [232479.160517] write_cache_pages+0x1ae/0x4b0
  21. [232479.160523] ? bch2_clear_page_bits+0x180/0x180 [bcachefs]
  22. [232479.160529] bch2_writepages+0x99/0xe0 [bcachefs]
  23. [232479.160530] ? __free_slab+0x1f0/0x2f0
  24. [232479.160544] ? merge_state.part.0+0xc5/0x150 [btrfs]
  25. [232479.160545] do_writepages+0x43/0xd0
  26. [232479.160545] __writeback_single_inode+0x44/0x350
  27. [232479.160546] writeback_sb_inodes+0x231/0x4d0
  28. [232479.160547] __writeback_inodes_wb+0x56/0xd0
  29. [232479.160548] wb_writeback+0x25d/0x2f0
  30. [232479.160549] wb_workfn+0x356/0x440
  31. [232479.160550] process_one_work+0x1e8/0x3b0
  32. [232479.160551] worker_thread+0x4d/0x400
  33. [232479.160552] kthread+0x104/0x140
  34. [232479.160552] ? process_one_work+0x3b0/0x3b0
  35. [232479.160553] ? kthread_park+0x90/0x90
  36. [232479.160554] ret_from_fork+0x35/0x40
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