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  1. Lustre
  2. LU-8464

Lustre I/O hung waiting for page

    Details

    • Type: Bug
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Labels:
    • Severity:
      3
    • Rank (Obsolete):
      9223372036854775807

      Description

      > PID: 63193 TASK: ffff880902f7e040 CPU: 35 COMMAND: "python"
      > #0 [ffff880b44ea1108] schedule at ffffffff8141c637
      > #1 [ffff880b44ea1270] io_schedule at ffffffff8141cd01
      > #2 [ffff880b44ea12a0] sleep_on_page at ffffffff8110111e
      > #3 [ffff880b44ea12b0] __wait_on_bit at ffffffff8141d4b2
      > #4 [ffff880b44ea12f0] wait_on_page_bit at ffffffff81101454
      > #5 [ffff880b44ea1350] shrink_inactive_list at ffffffff81113c69
      > #6 [ffff880b44ea1530] shrink_list at ffffffff8111445e
      > #7 [ffff880b44ea1560] shrink_zone at ffffffff8111496a
      > #8 [ffff880b44ea16b0] do_try_to_free_pages at ffffffff81114d8b
      > #9 [ffff880b44ea1750] try_to_free_mem_cgroup_pages at ffffffff811153dd
      > #10 [ffff880b44ea17f0] mem_cgroup_hierarchical_reclaim at ffffffff81151d6d
      > #11 [ffff880b44ea18a0] __mem_cgroup_try_charge at ffffffff811539da
      > #12 [ffff880b44ea1990] mem_cgroup_cache_charge at ffffffff811557f4
      > #13 [ffff880b44ea19c0] add_to_page_cache_locked at ffffffff8110167e
      > #14 [ffff880b44ea1a00] add_to_page_cache at ffffffff811017cb
      > #15 [ffff880b44ea1a30] add_to_page_cache_lru at ffffffff8110182e
      > #16 [ffff880b44ea1a50] grab_cache_page_nowait at ffffffff81101f5b
      > #17 [ffff880b44ea1a80] ll_write_begin at ffffffffa086163b [lustre]
      > #18 [ffff880b44ea1b10] generic_file_buffered_write at ffffffff811003ce
      > #19 [ffff880b44ea1bd0] __generic_file_aio_write at ffffffff81103179
      > #20 [ffff880b44ea1c80] generic_file_aio_write at ffffffff811033c9
      > #21 [ffff880b44ea1cc0] vvp_io_write_start at ffffffffa087493f [lustre]
      > #22 [ffff880b44ea1d10] cl_io_start at ffffffffa037f502 [obdclass]
      > #23 [ffff880b44ea1d40] cl_io_loop at ffffffffa0383084 [obdclass]
      > #24 [ffff880b44ea1d70] ll_file_io_generic at ffffffffa0816237 [lustre]
      > #25 [ffff880b44ea1e40] ll_file_aio_write at ffffffffa0826409 [lustre]
      > #26 [ffff880b44ea1ea0] ll_file_write at ffffffffa08269ed [lustre]
      > #27 [ffff880b44ea1f10] vfs_write at ffffffff8115bd9b
      > #28 [ffff880b44ea1f40] sys_write at ffffffff8115bf45
      > #29 [ffff880b44ea1f80] system_call_fastpath at ffffffff81426aab
      > RIP: 00002aaaabaa7f40 RSP: 00007ffffffefa10 RFLAGS: 00000282
      > RAX: 0000000000000001 RBX: ffffffff81426aab RCX: 00000000000000a4
      > RDX: 0000000000400000 RSI: 00002aabd2b6e000 RDI: 0000000000000004
      > RBP: 00002aabd2b6e000 R8: 0000000000000000 R9: 0000000000000000
      > R10: 000000007a1e3f60 R11: 0000000000000246 R12: 0000000000000000
      > R13: 0000000000400000 R14: 000000007a1e3e80 R15: 0000000000400000
      > ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b

      > PID: 65447 TASK: ffff88032d84e040 CPU: 15 COMMAND: "slurmstepd"
      > #0 [ffff880f939b1388] schedule at ffffffff8141c637
      > #1 [ffff880f939b14f0] io_schedule at ffffffff8141cd01
      > #2 [ffff880f939b1520] sleep_on_page at ffffffff8110111e
      > #3 [ffff880f939b1530] __wait_on_bit at ffffffff8141d4b2
      > #4 [ffff880f939b1570] wait_on_page_bit at ffffffff81101454
      > #5 [ffff880f939b15d0] shrink_inactive_list at ffffffff81113c69
      > #6 [ffff880f939b17b0] shrink_list at ffffffff8111445e
      > #7 [ffff880f939b17e0] shrink_zone at ffffffff8111496a
      > #8 [ffff880f939b1930] do_try_to_free_pages at ffffffff81114d8b
      > #9 [ffff880f939b19d0] try_to_free_mem_cgroup_pages at ffffffff811153dd
      > #10 [ffff880f939b1a70] mem_cgroup_hierarchical_reclaim at ffffffff81151d6d
      > #11 [ffff880f939b1b20] __mem_cgroup_try_charge at ffffffff811539da
      > #12 [ffff880f939b1c10] mem_cgroup_prepare_migration at ffffffff81155b92
      > #13 [ffff880f939b1c50] migrate_pages at ffffffff8114e0d1
      > #14 [ffff880f939b1ce0] compact_zone at ffffffff81146aac
      > #15 [ffff880f939b1de0] __compact_pgdat at ffffffff8114725b
      > #16 [ffff880f939b1e20] compact_node at ffffffff811472df
      > #17 [ffff880f939b1e90] sysfs_compact_node at ffffffff81147341
      > #18 [ffff880f939b1eb0] sysdev_store at ffffffff812b7bf0
      > #19 [ffff880f939b1ec0] sysfs_write_file at ffffffff811c4d27
      > #20 [ffff880f939b1f10] vfs_write at ffffffff8115bd9b
      > #21 [ffff880f939b1f40] sys_write at ffffffff8115bf45
      > #20 [ffff880f939b1f10] vfs_write at ffffffff8115bd9b
      > #21 [ffff880f939b1f40] sys_write at ffffffff8115bf45
      > #22 [ffff880f939b1f80] system_call_fastpath at ffffffff81426aab

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              • Assignee:
                askulysh Andriy Skulysh
                Reporter:
                askulysh Andriy Skulysh
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                Dates

                • Created:
                  Updated: