PID: 8054   TASK: ffff9f1fbc42a7c0  CPU: 0   COMMAND: "ll_ost00_002"
 #0 [ffffb9fac2f5f638] machine_kexec at ffffffffb3e850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb9fac2f5f690] __crash_kexec at ffffffffb403e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb9fac2f5f750] crash_kexec at ffffffffb403fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb9fac2f5f768] oops_end at ffffffffb3e37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb9fac2f5f788] no_context.cold.27 at ffffffffb3ea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb9fac2f5f7e0] __bad_area_nosemaphore at ffffffffb3ea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb9fac2f5f828] bad_area_nosemaphore at ffffffffb3ea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb9fac2f5f830] do_user_addr_fault at ffffffffb3ea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb9fac2f5f880] __do_page_fault at ffffffffb3ea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb9fac2f5f8a0] do_page_fault at ffffffffb3ea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb9fac2f5f8d0] page_fault at ffffffffb4e00f8e
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236
    [exception RIP: arc_buf_access+16]
    RIP: ffffffffc092f220  RSP: ffffb9fac2f5f980  RFLAGS: 00010206
    RAX: ffff9f1fafbec5a0  RBX: 0000000000000000  RCX: 00000000000007de
    RDX: 00000000000007de  RSI: 0000000000000121  RDI: ffff9f1e865a2d40
    RBP: ffff9f1fafbec6a8   R8: b922a42b26f63be4   R9: 9ae16a3b2f90404f
    R10: 0000000000000000  R11: 0000000000000011  R12: ffff9f1fafbec668
    R13: ffffb9fac2f5fa28  R14: 0000000000000000  R15: ffff9f1faf2992a0
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb9fac2f5f9a8] dbuf_hold_impl at ffffffffc094c47f [zfs]
#12 [ffffb9fac2f5fa08] dbuf_hold_impl at ffffffffc094c6b8 [zfs]
#13 [ffffb9fac2f5fa70] dbuf_hold at ffffffffc094dde4 [zfs]
#14 [ffffb9fac2f5fa90] dmu_buf_hold_noread_by_dnode at ffffffffc095faaf [zfs]
#15 [ffffb9fac2f5fab8] dmu_buf_hold_by_dnode at ffffffffc095fdd1 [zfs]
#16 [ffffb9fac2f5fae8] zap_lockdir at ffffffffc0a8063f [zfs]
#17 [ffffb9fac2f5fb40] zap_remove_norm at ffffffffc0a810f4 [zfs]
#18 [ffffb9fac2f5fb90] zap_remove at ffffffffc0a81187 [zfs]
#19 [ffffb9fac2f5fb98] osd_destroy at ffffffffc200f18e [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_internal.h: 971
#20 [ffffb9fac2f5fc08] dt_destroy at ffffffffc13725b0 [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/dt_object.c: 381
#21 [ffffb9fac2f5fc30] ofd_destroy at ffffffffc24b103e [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_objects.c: 1141
#22 [ffffb9fac2f5fc68] ofd_destroy_by_fid at ffffffffc24a613b [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_obd.c: 947
#23 [ffffb9fac2f5fd08] ofd_destroy_hdl at ffffffffc2495c0a [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_dev.c: 1882
#24 [ffffb9fac2f5fd78] tgt_handle_request0 at ffffffffc1856cf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#25 [ffffb9fac2f5fda8] tgt_request_handle at ffffffffc1858995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#26 [ffffb9fac2f5fe28] ptlrpc_server_handle_request at ffffffffc17509d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#27 [ffffb9fac2f5fe90] ptlrpc_main at ffffffffc1753bf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#28 [ffffb9fac2f5ff10] kthread at ffffffffb3f57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#29 [ffffb9fac2f5ff50] ret_from_fork at ffffffffb4e001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330