PID: 8084   TASK: ffff9c04469ccf80  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffffb63282bab688] machine_kexec at ffffffff876850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb63282bab6e0] __crash_kexec at ffffffff8783e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb63282bab7a0] crash_kexec at ffffffff8783fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb63282bab7b8] oops_end at ffffffff87637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb63282bab7d8] no_context.cold.27 at ffffffff876a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb63282bab830] __bad_area_nosemaphore at ffffffff876a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb63282bab878] bad_area_nosemaphore at ffffffff876a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb63282bab880] do_user_addr_fault at ffffffff876a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb63282bab8d0] __do_page_fault at ffffffff876a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb63282bab8f0] do_page_fault at ffffffff876a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb63282bab920] page_fault at ffffffff88600f8e
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236
    [exception RIP: arc_buf_size+32]
    RIP: ffffffffc080ae20  RSP: ffffb63282bab9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9c046fccd8f0  RCX: 0000000000000001
    RDX: ffff9c0477635a00  RSI: 00000000b0000202  RDI: ffff9c0451541140
    RBP: 0000000000000001   R8: 0000000000000029   R9: 0000000000000007
    R10: ffff9c04450e5540  R11: ffff9c047a625850  R12: ffff9c047cebc000
    R13: ffff9c0477880000  R14: ffff9c047cebc000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb63282bab9d0] osd_bufs_put at ffffffffc1efdd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb63282baba18] ofd_release_chunk_lnb at ffffffffc23b0ca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb63282baba40] ofd_commitrw_write at ffffffffc239d708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb63282babae0] ofd_commitrw at ffffffffc23a4ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb63282babbb8] tgt_brw_write at ffffffffc171051c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb63282babd78] tgt_handle_request0 at ffffffffc1708cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb63282babda8] tgt_request_handle at ffffffffc170a965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb63282babe28] ptlrpc_server_handle_request at ffffffffc16029a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb63282babe90] ptlrpc_main at ffffffffc1605bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb63282babf10] kthread at ffffffff87757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb63282babf50] ret_from_fork at ffffffff886001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330