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  1. Lustre
  2. LU-8502

replay-vbr: umount hangs waiting for mgs_ir_fini_fs

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Cannot Reproduce
    • Affects Version/s: Lustre 2.10.0, Lustre 2.11.0
    • Fix Version/s: Lustre 2.11.0
    • Labels:
      None
    • Severity:
      3
    • Rank (Obsolete):
      9223372036854775807

      Description

      This issue was created by maloo for Kit Westneat <kit.westneat@gmail.com>

      Test timed out with a lot of stack traces related to mgs_ir_fini_fs:

      [17640.500244]  [<ffffffff8163ba29>] schedule+0x29/0x70
      [17640.500244]  [<ffffffff81639719>] schedule_timeout+0x209/0x2d0
      [17640.500244]  [<ffffffff811bfad9>] ? discard_slab+0x39/0x50
      [17640.500244]  [<ffffffff81632d4d>] ? __slab_free+0x253/0x277
      [17640.500244]  [<ffffffff8163bdf6>] wait_for_completion+0x116/0x170
      [17640.500244]  [<ffffffff810b88c0>] ? wake_up_state+0x20/0x20
      [17640.500244]  [<ffffffffa0cb3a0e>] mgs_ir_fini_fs+0x27e/0x2ec [mgs]
      [17640.500244]  [<ffffffffa0ca0361>] mgs_free_fsdb+0x41/0x8e0 [mgs]
      [17640.500244]  [<ffffffffa0ca97d2>] mgs_cleanup_fsdb_list+0x52/0x70 [mgs]
      [17640.500244]  [<ffffffffa0c8fa87>] mgs_device_fini+0x97/0x5b0 [mgs]
      [17640.500244]  [<ffffffffa07d088c>] class_cleanup+0x94c/0xd80 [obdclass]
      [17640.500244]  [<ffffffffa07d3606>] class_process_config+0x2226/0x2f60 [obdclass]
      [17640.500244]  [<ffffffff811c2483>] ? __kmalloc+0x1f3/0x230
      [17640.500244]  [<ffffffffa07cd6cb>] ? lustre_cfg_new+0x8b/0x400 [obdclass]
      [17640.500244]  [<ffffffffa07d442f>] class_manual_cleanup+0xef/0x810 [obdclass]
      [17640.500244]  [<ffffffffa0802560>] server_put_super+0xb20/0xcd0 [obdclass]
      [17640.500244]  [<ffffffff811e1096>] generic_shutdown_super+0x56/0xe0
      [17640.500244]  [<ffffffff811e1472>] kill_anon_super+0x12/0x20
      [17640.500244]  [<ffffffffa07d7c92>] lustre_kill_super+0x32/0x50 [obdclass]
      [17640.500244]  [<ffffffff811e1829>] deactivate_locked_super+0x49/0x60
      [17640.500244]  [<ffffffff811e1e26>] deactivate_super+0x46/0x60
      [17640.500244]  [<ffffffff811fed95>] mntput_no_expire+0xc5/0x120
      [17640.500244]  [<ffffffff811ffecf>] SyS_umount+0x9f/0x3c0
      
      [17640.500244] mgs_lustre_noti S ffff88004c88dc00     0 21703      2 0x00000080
      [17640.500244]  ffff88004c83fbb0 0000000000000046 ffff88004c88dc00 ffff88004c83ffd8
      [17640.500244]  ffff88004c83ffd8 ffff88004c83ffd8 ffff88004c88dc00 ffff88004f27a800
      [17640.500244]  ffff88004c88dc00 0000000000000000 ffffffffa09d4b90 ffff88004c88dc00
      [17640.500244] Call Trace:
      [17640.500244]  [<ffffffffa09d4b90>] ? ldlm_completion_ast_async+0x300/0x300 [ptlrpc]
      [17640.500244]  [<ffffffff8163ba29>] schedule+0x29/0x70
      [17640.500244]  [<ffffffffa09d540d>] ldlm_completion_ast+0x62d/0x910 [ptlrpc]
      [17640.500244]  [<ffffffff810b88c0>] ? wake_up_state+0x20/0x20
      [17640.500244]  [<ffffffffa0c8e8f1>] mgs_completion_ast_generic+0xb1/0x1d0 [mgs]
      [17640.500244]  [<ffffffffa0c8ea23>] mgs_completion_ast_ir+0x13/0x20 [mgs]
      [17640.500244]  [<ffffffffa09d7ab0>] ldlm_cli_enqueue_local+0x230/0x860 [ptlrpc]
      [17640.500244]  [<ffffffffa0c8ea10>] ? mgs_completion_ast_generic+0x1d0/0x1d0 [mgs]
      [17640.500244]  [<ffffffffa09da820>] ? ldlm_blocking_ast_nocheck+0x310/0x310 [ptlrpc]
      [17640.500244]  [<ffffffffa0c93ddc>] mgs_revoke_lock+0x1ec/0x370 [mgs]
      [17640.500244]  [<ffffffffa09da820>] ? ldlm_blocking_ast_nocheck+0x310/0x310 [ptlrpc]
      [17640.500244]  [<ffffffffa0c8ea10>] ? mgs_completion_ast_generic+0x1d0/0x1d0 [mgs]
      [17640.500244]  [<ffffffffa0cb0462>] mgs_ir_notify+0x142/0x2a0 [mgs]
      [17640.500244]  [<ffffffff810b88c0>] ? wake_up_state+0x20/0x20
      [17640.500244]  [<ffffffffa0cb0320>] ? lprocfs_ir_set_state+0x170/0x170 [mgs]
      [17640.500244]  [<ffffffff810a5aef>] kthread+0xcf/0xe0
      [17640.500244]  [<ffffffff810a5a20>] ? kthread_create_on_node+0x140/0x140
      [17640.500244]  [<ffffffff816469d8>] ret_from_fork+0x58/0x90
      [17640.500244]  [<ffffffff810a5a20>] ? kthread_create_on_node+0x140/0x140
      

      This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/89fac3d8-634d-11e6-906c-5254006e85c2.

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              • Assignee:
                jay Jinshan Xiong (Inactive)
                Reporter:
                maloo Maloo
              • Votes:
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                Dates

                • Created:
                  Updated:
                  Resolved: