PID: 91227  TASK: ffff8c4f503f4f80  CPU: 0   COMMAND: "tgt_recover_0"
 #0 [ffffa71b4865f898] machine_kexec at ffffffff89e850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa71b4865f8f0] __crash_kexec at ffffffff8a03e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa71b4865f9b0] crash_kexec at ffffffff8a03fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa71b4865f9c8] oops_end at ffffffff89e37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa71b4865f9e8] die_addr at ffffffff89e37f86
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 437
 #5 [ffffa71b4865fa10] do_general_protection at ffffffff89e33128
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/traps.c: 663
 #6 [ffffa71b4865faa0] general_protection at ffffffff8ae00f5e
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1235
    [exception RIP: tgt_txn_start_cb+163]
    RIP: ffffffffc0c7c2f3  RSP: ffffa71b4865fb58  RFLAGS: 00010206
    RAX: 001b1d45058348ff  RBX: ffff8c5075d38680  RCX: ffffffffc0c7c250
    RDX: ffffffffc0cad1da  RSI: 0000000078913200  RDI: ffffa71b4865fdc0
    RBP: ffff8c5075db9000   R8: ffff8c507dab8f7a   R9: 0000000000000000
    R10: 00000000124eae44  R11: ffff8c507dab9000  R12: 001b1d45058348ff
    R13: ffff8c4f485e8508  R14: ffff8c507863d0b8  R15: ffff8c5075db9000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_lastrcvd.c: 2055
 #7 [ffffa71b4865fb80] dt_txn_hook_start at ffffffffc07ae47b [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/dt_object.c: 84
 #8 [ffffa71b4865fba8] osd_trans_start at ffffffffc15c722f [osd_ldiskfs]
    /home/green/git/lustre-release/lustre/osd-ldiskfs/osd_handler.c: 2172
 #9 [ffffa71b4865fbe0] dt_trans_start at ffffffffc07afa4c [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/dt_object.c: 284
#10 [ffffa71b4865fbe8] tgt_server_data_update at ffffffffc0c73dbb [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_lastrcvd.c: 751
#11 [ffffa71b4865fc20] tgt_client_del at ffffffffc0c77ae5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_lastrcvd.c: 1237
#12 [ffffa71b4865fc50] mdt_export_cleanup at ffffffffc17fe274 [mdt]
    /home/green/git/lustre-release/lustre/mdt/mdt_handler.c: 7428
#13 [ffffa71b4865fce0] mdt_obd_disconnect at ffffffffc17fe781 [mdt]
    /home/green/git/lustre-release/lustre/mdt/mdt_handler.c: 7463
#14 [ffffa71b4865fcf8] class_disconnect_export_list at ffffffffc0744131 [obdclass]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 921
#15 [ffffa71b4865fd38] class_disconnect_stale_exports at ffffffffc0744955 [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/genops.c: 1631
#16 [ffffa71b4865fda8] target_recovery_overseer at ffffffffc0be4711 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../ldlm/ldlm_lib.c: 2407
#17 [ffffa71b4865fe28] replay_request_or_update at ffffffffc0bf20ee [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../ldlm/ldlm_lib.c: 2686
#18 [ffffa71b4865fea8] target_recovery_thread at ffffffffc0bf3705 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../ldlm/ldlm_lib.c: 2862
#19 [ffffa71b4865ff10] kthread at ffffffff89f57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#20 [ffffa71b4865ff50] ret_from_fork at ffffffff8ae001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330