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  1. Lustre
  2. LU-11620

BUG: sleeping function called from invalid context at mm/slub.c:940

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: Lustre 2.10.5
    • Labels:
    • Environment:
      Lustre 2.10.5_2.chaos
      kernel 3.10.0-862.14.4.1chaos.ch6.x86_64
    • Severity:
      3
    • Rank (Obsolete):
      9223372036854775807

      Description

      OSS console log reports

      BUG: sleeping function called from invalid context at mm/slub.c:940
      in_atomic(): 1, irqs_disabled(): 0, pid: 152563, name: lfsck
      CPU: 9 PID: 152563 Comm: lfsck Kdump: loaded Tainted: P           OE  ------------ T 3.10.0-862.14.4.1chaos.ch6.x86_64 #1
      Hardware name: CRAY CRAY-GB512X-CN/S2600JF, BIOS SE5C600.86B.02.03.0003.041920141333 04/19/2014
      Call Trace:
       [<ffffffff9f334f01>] dump_stack+0x19/0x1b
       [<ffffffff9eccf439>] __might_sleep+0xd9/0x100
       [<ffffffff9ee06363>] kmem_cache_alloc+0x43/0x240
       [<ffffffffc16918e1>] ? ofd_object_alloc+0x51/0x240 [ofd]
       [<ffffffffc16918e1>] ofd_object_alloc+0x51/0x240 [ofd]
       [<ffffffffc1176464>] lu_object_alloc+0x54/0x320 [obdclass]
       [<ffffffffc1173cb3>] ? htable_lookup+0x163/0x180 [obdclass]
       [<ffffffffc1176910>] lu_object_find_at+0x180/0x2b0 [obdclass]
       [<ffffffffc1177a98>] dt_locate_at+0x18/0xb0 [obdclass]
       [<ffffffffc15fadb2>] lfsck_layout_slave_prep+0x392/0x5b0 [lfsck]
       [<ffffffffc15d1fe6>] lfsck_master_engine+0x196/0x1450 [lfsck]
       [<ffffffffc15d1e50>] ? lfsck_master_oit_engine+0x11a0/0x11a0 [lfsck]
       [<ffffffff9ecc12d1>] kthread+0xd1/0xe0
       [<ffffffff9ecc1200>] ? insert_kthread_work+0x40/0x40
       [<ffffffff9f347837>] ret_from_fork_nospec_begin+0x21/0x21
       [<ffffffff9ecc1200>] ? insert_kthread_work+0x40/0x40

      and about a day later, a different stack

      BUG: sleeping function called from invalid context at mm/slub.c:940
      in_atomic(): 1, irqs_disabled(): 0, pid: 154333, name: ll_ost_out01_00
      CPU: 8 PID: 154333 Comm: ll_ost_out01_00 Kdump: loaded Tainted: P        W  OE  ------------ T 3.10.0-862.14.4.1chaos.ch6.x86_64 #1
      Hardware name: CRAY CRAY-GB512X-CN/S2600JF, BIOS SE5C600.86B.02.03.0003.041920141333 04/19/2014
      Call Trace:
       [<ffffffff9f334f01>] dump_stack+0x19/0x1b
       [<ffffffff9eccf439>] __might_sleep+0xd9/0x100
       [<ffffffff9ee06363>] kmem_cache_alloc+0x43/0x240
       [<ffffffffc16918e1>] ? ofd_object_alloc+0x51/0x240 [ofd]
       [<ffffffffc16918e1>] ofd_object_alloc+0x51/0x240 [ofd]
       [<ffffffffc1176464>] lu_object_alloc+0x54/0x320 [obdclass]
       [<ffffffffc1173cb3>] ? htable_lookup+0x163/0x180 [obdclass]
       [<ffffffffc1176910>] lu_object_find_at+0x180/0x2b0 [obdclass]
       [<ffffffffc1176e7f>] lu_object_find_slice+0x1f/0x90 [obdclass]
       [<ffffffffc16074ce>] lfsck_orphan_it_next+0x17e/0xc90 [lfsck]
       [<ffffffffc160804e>] lfsck_orphan_it_load+0x6e/0x160 [lfsck]
       [<ffffffffc1178d28>] dt_index_walk+0xf8/0x450 [obdclass]
       [<ffffffffc1179080>] ? dt_index_walk+0x450/0x450 [obdclass]
       [<ffffffffc117993c>] dt_index_read+0x44c/0x6b0 [obdclass]
       [<ffffffffc13b47e2>] tgt_obd_idx_read+0x612/0x860 [ptlrpc]
       [<ffffffffc13b653a>] tgt_request_handle+0x92a/0x1370 [ptlrpc]
       [<ffffffffc135db5b>] ptlrpc_server_handle_request+0x23b/0xaa0 [ptlrpc]
       [<ffffffffc135b26b>] ? ptlrpc_wait_event+0xab/0x350 [ptlrpc]
       [<ffffffff9ecd6492>] ? default_wake_function+0x12/0x20
       [<ffffffff9eccb87b>] ? __wake_up_common+0x5b/0x90
       [<ffffffffc1361c70>] ptlrpc_main+0xae0/0x1e90 [ptlrpc]
       [<ffffffffc1361190>] ? ptlrpc_register_service+0xe30/0xe30 [ptlrpc]
       [<ffffffff9ecc12d1>] kthread+0xd1/0xe0
       [<ffffffff9ecc1200>] ? insert_kthread_work+0x40/0x40
       [<ffffffff9f347837>] ret_from_fork_nospec_begin+0x21/0x21
       [<ffffffff9ecc1200>] ? insert_kthread_work+0x40/0x40

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              • Assignee:
                laisiyao Lai Siyao
                Reporter:
                ofaaland Olaf Faaland
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                Dates

                • Created:
                  Updated:
                  Resolved: