PID: 6717   TASK: ffffa0ef80984f80  CPU: 0   COMMAND: "ll_ost_io00_000"
 #0 [ffffb03a82cfb688] machine_kexec at ffffffffb7c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb03a82cfb6e0] __crash_kexec at ffffffffb7e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb03a82cfb7a0] crash_kexec at ffffffffb7e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb03a82cfb7b8] oops_end at ffffffffb7c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb03a82cfb7d8] no_context.cold.27 at ffffffffb7ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb03a82cfb830] __bad_area_nosemaphore at ffffffffb7ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb03a82cfb878] bad_area_nosemaphore at ffffffffb7ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb03a82cfb880] do_user_addr_fault at ffffffffb7ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb03a82cfb8d0] __do_page_fault at ffffffffb7ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb03a82cfb8f0] do_page_fault at ffffffffb7ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb03a82cfb920] page_fault at ffffffffb8c00f8e
    /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: ffffffffc0958e20  RSP: ffffb03a82cfb9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffffa0ef51104720  RCX: 0000000000000006
    RDX: ffffa0ef4727fe00  RSI: 00000000b0000202  RDI: ffffa0ef50b0a9c0
    RBP: 0000000000000006   R8: 0000000000000000   R9: 0000000000000000
    R10: ffffa0ef41254180  R11: ffffa0ef70e61720  R12: ffffa0ee419c8800
    R13: ffffa0ef50be0000  R14: ffffa0ee419c8800  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb03a82cfb9d0] osd_bufs_put at ffffffffc204ed97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb03a82cfba18] ofd_release_chunk_lnb at ffffffffc2504652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb03a82cfba40] ofd_commitrw_write at ffffffffc24f1018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb03a82cfbae0] ofd_commitrw at ffffffffc24f857c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb03a82cfbbb8] tgt_brw_write at ffffffffc186154c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb03a82cfbd78] tgt_handle_request0 at ffffffffc1859cf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb03a82cfbda8] tgt_request_handle at ffffffffc185b995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb03a82cfbe28] ptlrpc_server_handle_request at ffffffffc17539d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb03a82cfbe90] ptlrpc_main at ffffffffc1756bf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb03a82cfbf10] kthread at ffffffffb7d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb03a82cfbf50] ret_from_fork at ffffffffb8c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330