crash-7.0.1-29bit> ldlm_lock ffff880202afa480
struct ldlm_lock {
  l_handle = {
    h_link = {
      next = 0xffffc90010682d90, 
      prev = 0xdead000000200200
    }, 
    h_cookie = 12595340982326953787, 
    h_owner = 0x0 <irq_stack_union>, 
    h_ops = 0xffffffffa045be10 <lock_handle_ops>, 
    h_rcu = {
      next = 0x0 <irq_stack_union>, 
      func = 0x0 <irq_stack_union>
    }, 
    h_lock = {
      {
        rlock = {
          raw_lock = {
            slock = 2827
          }
        }
      }
    }, 
    h_size = 0, 
    h_in = 0
  }, 
  l_refc = {
    counter = 1
  }, 
  l_lock = {
    {
      rlock = {
        raw_lock = {
          slock = 6939
        }
      }
    }
  }, 
  l_resource = 0xffff88020ec30c80, 
  l_lru = {
    next = 0xffff880202afa4d0, 
    prev = 0xffff880202afa4d0
  }, 
  l_res_link = {
    next = 0xffff880202afa4e0, 
    prev = 0xffff880202afa4e0
  }, 
  l_tree_node = 0x0 <irq_stack_union>, 
  l_exp_hash = {
    next = 0x0 <irq_stack_union>, 
    pprev = 0x0 <irq_stack_union>
  }, 
  l_exp_flock_hash = {
    next = 0x0 <irq_stack_union>, 
    pprev = 0x0 <irq_stack_union>
  }, 
  l_req_mode = LCK_PW, 
  l_granted_mode = LCK_MINMODE, 
  l_completion_ast = 0xffffffffa063f640 <osc_ldlm_completion_ast>, 
  l_blocking_ast = 0xffffffffa063ded0 <osc_ldlm_blocking_ast>, 
  l_glimpse_ast = 0xffffffffa063d1a0 <osc_ldlm_glimpse_ast>, 
  l_export = 0x0 <irq_stack_union>, 
  l_conn_export = 0xffff8804044e6400, 
  l_remote_handle = {
    cookie = 11139037227384364733
  }, 
  l_policy_data = {
    l_extent = {
      start = 0, 
      end = 45055, 
      gid = 0
    }, 
    l_flock = {
      start = 0, 
      end = 45055, 
      owner = 0, 
      blocking_owner = 0, 
      blocking_export = 0x0 <irq_stack_union>, 
      blocking_refs = 0, 
      pid = 0
    }, 
    l_inodebits = {
      bits = 0
    }
  }, 
  l_flags = 1344238864433152, 
  l_readers = 0, 
  l_writers = 0, 
  l_waitq = {
    lock = {
      {
        rlock = {
          raw_lock = {
            slock = 514
          }
        }
      }
    }, 
    task_list = {
      next = 0xffff880202afa598, 
      prev = 0xffff880202afa598
    }
  }, 
  l_last_activity = 1389887357, 
  l_last_used = 0, 
  l_req_extent = {
    start = 0, 
    end = 45055, 
    gid = 0
  }, 
  l_lvb_type = LVB_T_OST, 
  l_lvb_len = 56, 
  l_lvb_data = 0xffff880201def500, 
  l_ast_data = 0x0 <irq_stack_union>, 
  l_client_cookie = 0, 
  l_pending_chain = {
    next = 0xffff880202afa5f0, 
    prev = 0xffff880202afa5f0
  }, 
  l_callback_timeout = 0, 
  l_pid = 15880, 
  l_bl_ast_run = 0, 
  l_bl_ast = {
    next = 0xffff880202afa610, 
    prev = 0xffff880202afa610
  }, 
  l_cp_ast = {
    next = 0xffff880202afa620, 
    prev = 0xffff880202afa620
  }, 
  l_rk_ast = {
    next = 0xffff880202afa630, 
    prev = 0xffff880202afa630
  }, 
  l_blocking_lock = 0x0 <irq_stack_union>, 
  l_sl_mode = {
    next = 0xffff880202afa648, 
    prev = 0xffff880202afa648
  }, 
  l_sl_policy = {
    next = 0xffff880202afa658, 
    prev = 0xffff880202afa658
  }, 
  l_reference = {
    lf_guard = {
      {
        rlock = {
          raw_lock = {
            slock = 9252
          }
        }
      }
    }, 
    lf_list = {
      next = 0xffff880202afa670, 
      prev = 0xffff880202afa670
    }, 
    lf_refs = 0, 
    lf_failed = 0, 
    lf_flags = 0, 
    lf_line = 505, 
    lf_func = 0xffffffffa0431531 <__func__.70094> "ldlm_lock_new", 
    lf_linkage = {
      next = 0xffff8802017a9d90, 
      prev = 0xffff8802013dc5b8
    }
  }, 
  l_exp_list = {
    next = 0xffff880202afa6a0, 
    prev = 0xffff880202afa6a0
  }
}

crash-7.0.1-29bit> cl_lock ffff8802017a9c58
struct cl_lock {
  cll_ref = {
    counter = 1
  }, 
  cll_layers = {
    next = 0xffff8802017a9c60, 
    prev = 0xffff8802017a9c60
  }, 
  cll_linkage = {
    next = 0xffff8802017a9c70, 
    prev = 0xffff8802017a9c70
  }, 
  cll_descr = {
    cld_obj = 0xffff88020fbf34f0, 
    cld_start = 0, 
    cld_end = 10, 
    cld_gid = 0, 
    cld_mode = CLM_WRITE, 
    cld_enq_flags = 0
  }, 
  cll_state = CLS_FREEING, 
  cll_wq = {
    lock = {
      {
        rlock = {
          raw_lock = {
            slock = 2313
          }
        }
      }
    }, 
    task_list = {
      next = 0xffff8802017a9cb8, 
      prev = 0xffff8802017a9cb8
    }
  }, 
  cll_guard = {
    count = {
      counter = 0
    }, 
    wait_lock = {
      {
        rlock = {
          raw_lock = {
            slock = 0
          }
        }
      }
    }, 
    wait_list = {
      next = 0xffff8802017a9cd0, 
      prev = 0xffff8802017a9cd0
    }, 
    owner = 0xffff88080f9a1040
  }, 
  cll_guarder = 0xffff88080f9a1040, 
  cll_depth = 1, 
  cll_intransit_owner = 0x0 <irq_stack_union>, 
  cll_error = 0, 
  cll_holds = 0, 
  cll_users = 0, 
  cll_flags = 1, 
  cll_inclosure = {
    next = 0xffff8802017a9d18, 
    prev = 0xffff8802017a9d18
  }, 
  cll_conflict = 0x0 <irq_stack_union>, 
  cll_reference = {
    lf_guard = {
      {
        rlock = {
          raw_lock = {
            slock = 6425
          }
        }
      }
    }, 
    lf_list = {
      next = 0xffff8803ff4bc9f0, 
      prev = 0xffff8803ff4bc9f0
    }, 
    lf_refs = 1, 
    lf_failed = 0, 
    lf_flags = 0, 
    lf_line = 394, 
    lf_func = 0xffffffffa02cf620 <__func__.71223> "cl_lock_alloc", 
    lf_linkage = {
      next = 0xffff880202559608, 
      prev = 0xffff8802017a9d90
    }
  }, 
  cll_holders = {
    lf_guard = {
      {
        rlock = {
          raw_lock = {
            slock = 1542
          }
        }
      }
    }, 
    lf_list = {
      next = 0xffff8802017a9d70, 
      prev = 0xffff8802017a9d70
    }, 
    lf_refs = 0, 
    lf_failed = 0, 
    lf_flags = 0, 
    lf_line = 395, 
    lf_func = 0xffffffffa02cf620 <__func__.71223> "cl_lock_alloc", 
    lf_linkage = {
      next = 0xffff8802017a9d58, 
      prev = 0xffff880202afa690
    }
  }, 
  cll_obj_ref = {
    ll_ref = 0xffff88020fbf3478, 
    ll_linkage = {
      next = 0xdead000000100100, 
      prev = 0xdead000000200200
    }, 
    ll_scope = 0xffffffffa02de4e5 "cl_lock", 
    ll_source = 0xffff8802017a9c58
  }
}
PID: 5122   TASK: ffff88080f9a1040  CPU: 11  COMMAND: "ldlm_bl_63"
 #0 [ffff880805631bb0] die at ffffffff81005f6b
    ffff880805631bb8: ffff88080f9a1040 ffff880805631c18 
    ffff880805631bc8: 0000000000000000 ffff880202afa480 
    ffff880805631bd8: ffff880805631c08 ffffffff8100361a 
 #1 [ffff880805631be0] do_general_protection at ffffffff8100361a
    ffff880805631be8: ffffffff8136309d 0000000000000001 
    ffff880805631bf8: ffff8801f0d16a98 0000000000000000 
    ffff880805631c08: ffff880805631cf0 ffffffff8136321f 
 #2 [ffff880805631c10] general_protection at ffffffff8136321f
    [exception RIP: osc_lock_detach+74]
    RIP: ffffffffa063c74a  RSP: ffff880805631cc0  RFLAGS: 00010206
    RAX: 000000000000dddd  RBX: 5a5a5a5a5a5a5a5a  RCX: ffff880805631cc0
    RDX: ffff880805631cc0  RSI: ffff8801f0d16a98  RDI: ffffffffa0672f80
    RBP: ffff880805631cf0   R8: 0000000000000020   R9: ffffffff81370e18
    R10: 0000000000000400  R11: 0000000000000009  R12: ffff8801f0d16a98
    R13: 0000000000000000  R14: ffff880202afa480  R15: ffff8803ff02abc0
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
    ffff880805631c18: ffff8803ff02abc0 ffff880202afa480 
    ffff880805631c28: 0000000000000000 ffff8801f0d16a98 
    ffff880805631c38: ffff880805631cf0 5a5a5a5a5a5a5a5a 
    ffff880805631c48: 0000000000000009 0000000000000400 
    ffff880805631c58: ffffffff81370e18 0000000000000020 
    ffff880805631c68: 000000000000dddd ffff880805631cc0 
    ffff880805631c78: ffff880805631cc0 ffff8801f0d16a98 
    ffff880805631c88: ffffffffa0672f80 ffffffffffffffff 
    ffff880805631c98: ffffffffa063c74a 0000000000000010 
    ffff880805631ca8: 0000000000010206 ffff880805631cc0 
    ffff880805631cb8: 0000000000000018 ffff880805631cc0 
    ffff880805631cc8: 0000000000000000 ffff8801f0d16a98 
    ffff880805631cd8: 0000000000000000 ffff880202afa480 
    ffff880805631ce8: ffff8803ff02abc0 ffff880805631d60 
    ffff880805631cf8: ffffffffa063cc5a 
 #3 [ffff880805631cf8] osc_lock_cancel at ffffffffa063cc5a [osc]
    ffff880805631d00: ffff8803ff02abc0 ffff8802017a9c58 
    ffff880805631d10: 0000000005631d50 ffff8802017a9c58 
    ffff880805631d20: ffffffff00000002 0000000000000000 
    ffff880805631d30: ffffffffa02de392 ffff8801f0d16a98 
    ffff880805631d40: ffff8802017a9c60 ffff8803ff02abc0 
    ffff880805631d50: ffff8802017a9c58 0000000000000000 
    ffff880805631d60: ffff880805631d90 ffffffffa02b7afd 
 #4 [ffff880805631d68] cl_lock_cancel0 at ffffffffa02b7afd [obdclass]
    ffff880805631d70: ffff8803ff02abc0 ffff8802017a9c58 
    ffff880805631d80: ffff8803ff02abc0 ffff8803ff02abc0 
    ffff880805631d90: ffff880805631db0 ffffffffa02b883b 
 #5 [ffff880805631d98] cl_lock_cancel at ffffffffa02b883b [obdclass]
    ffff880805631da0: ffff8801f0d16a98 ffff8802017a9c58 
    ffff880805631db0: ffff880805631e10 ffffffffa063e0dc 
 #6 [ffff880805631db8] osc_ldlm_blocking_ast at ffffffffa063e0dc [osc]
    ffff880805631dc0: ffff8801f0d16a98 ffff880202afa480 
    ffff880805631dd0: 0000000000000001 0000000000000000 
    ffff880805631de0: ffff88020ce71b68 0000000000000000 
    ffff880805631df0: ffff880202afa480 ffff880200dbfed8 
    ffff880805631e00: ffff88020ce71ba4 ffff88080f9a1040 
    ffff880805631e10: ffff880805631e40 ffffffffa03c9e44 
 #7 [ffff880805631e18] ldlm_handle_bl_callback at ffffffffa03c9e44 [ptlrpc]
    ffff880805631e20: ffff880805631e40 0000000000000000 
    ffff880805631e30: ffff880200dbfec0 ffff88020ce71b40 
    ffff880805631e40: ffff880805631ee0 ffffffffa03ca39c 
 #8 [ffff880805631e48] ldlm_bl_thread_main at ffffffffa03ca39c [ptlrpc]
    ffff880805631e50: ffff88080f9a1040 ffff88080f9a1040 
    ffff880805631e60: ffff88080f9a1040 ffff88080f9a1040 
    ffff880805631e70: ffff88020ce71b68 ffff88020ce71ba0 
    ffff880805631e80: ffffffff00000001 ffff88080f9a1040 
    ffff880805631e90: ffffffff8103e590 dead000000100100 
    ffff880805631ea0: dead000000200200 0000000000000000 
    ffff880805631eb0: ffff8808056ddd40 ffff880805631f00 
    ffff880805631ec0: ffff8808056ddd40 ffff8808056ddde0 
    ffff880805631ed0: ffffffffa03ca1a0 0000000000000000 
    ffff880805631ee0: ffff880805631f40 ffffffff8106633e 
 #9 [ffff880805631ee8] kthread at ffffffff8106633e
    ffff880805631ef0: 0000000000000000 ffff8808056ddde0 
    ffff880805631f00: 0000000000000000 0000000000000000 
    ffff880805631f10: ffff880805631f10 ffff880805631f10 
    ffff880805631f20: 0000000000000000 0000000000000000 
    ffff880805631f30: 0000000000000000 0000000000000000 
    ffff880805631f40: 0000000000000000 ffffffff813649f4 
#10 [ffff880805631f48] kernel_thread_helper at ffffffff813649f4