PID: 178335  TASK: ffff8cba821acf80  CPU: 3   COMMAND: "tgt_recover_0"
 #0 [ffffa4df47f9f898] machine_kexec at ffffffff904850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa4df47f9f8f0] __crash_kexec at ffffffff9063e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa4df47f9f9b0] crash_kexec at ffffffff9063fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa4df47f9f9c8] oops_end at ffffffff90437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa4df47f9f9e8] die_addr at ffffffff90437f86
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 437
 #5 [ffffa4df47f9fa10] do_general_protection at ffffffff90433128
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/traps.c: 663
 #6 [ffffa4df47f9faa0] general_protection at ffffffff91400f5e
    /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: ffffffffc0dfc2f3  RSP: ffffa4df47f9fb58  RFLAGS: 00010206
    RAX: 001b1d45058348ff  RBX: ffff8cbbadde3fc0  RCX: ffffffffc0dfc250
    RDX: ffffffffc0e2d1da  RSI: 0000000085235e00  RDI: ffffa4df47f9fdc0
    RBP: ffff8cba8ead1400   R8: ffff8cba8ead1500   R9: ffff8cbbb4a6eb40
    R10: 0000000000001000  R11: 0000000000002080  R12: 001b1d45058348ff
    R13: ffff8cbbbfcd0f18  R14: ffff8cbbbde000b8  R15: ffff8cba8ead1400
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_lastrcvd.c: 2055
 #7 [ffffa4df47f9fb80] dt_txn_hook_start at ffffffffc092e47b [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/dt_object.c: 84
 #8 [ffffa4df47f9fba8] osd_trans_start at ffffffffc174722f [osd_ldiskfs]
    /home/green/git/lustre-release/lustre/osd-ldiskfs/osd_handler.c: 2172
 #9 [ffffa4df47f9fbe0] dt_trans_start at ffffffffc092fa4c [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/dt_object.c: 284
#10 [ffffa4df47f9fbe8] tgt_server_data_update at ffffffffc0df3dbb [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_lastrcvd.c: 751
#11 [ffffa4df47f9fc20] tgt_client_del at ffffffffc0df7ae5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_lastrcvd.c: 1237
#12 [ffffa4df47f9fc50] mdt_export_cleanup at ffffffffc197e274 [mdt]
    /home/green/git/lustre-release/lustre/mdt/mdt_handler.c: 7428
#13 [ffffa4df47f9fce0] mdt_obd_disconnect at ffffffffc197e781 [mdt]
    /home/green/git/lustre-release/lustre/mdt/mdt_handler.c: 7463
#14 [ffffa4df47f9fcf8] class_disconnect_export_list at ffffffffc08c4131 [obdclass]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 921
#15 [ffffa4df47f9fd38] class_disconnect_stale_exports at ffffffffc08c4955 [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/genops.c: 1631
#16 [ffffa4df47f9fda8] target_recovery_overseer at ffffffffc0d64711 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../ldlm/ldlm_lib.c: 2407
#17 [ffffa4df47f9fe28] replay_request_or_update at ffffffffc0d720ee [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../ldlm/ldlm_lib.c: 2686
#18 [ffffa4df47f9fea8] target_recovery_thread at ffffffffc0d73705 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../ldlm/ldlm_lib.c: 2862
#19 [ffffa4df47f9ff10] kthread at ffffffff90557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#20 [ffffa4df47f9ff50] ret_from_fork at ffffffff914001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330