PID: 6678   TASK: ffffa05e2f534f80  CPU: 1   COMMAND: "ll_ost_io00_001"
 #0 [ffffb64841c8b688] machine_kexec at ffffffff8c0850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb64841c8b6e0] __crash_kexec at ffffffff8c23e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb64841c8b7a0] crash_kexec at ffffffff8c23fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb64841c8b7b8] oops_end at ffffffff8c037cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb64841c8b7d8] no_context.cold.27 at ffffffff8c0a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb64841c8b830] __bad_area_nosemaphore at ffffffff8c0a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb64841c8b878] bad_area_nosemaphore at ffffffff8c0a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb64841c8b880] do_user_addr_fault at ffffffff8c0a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb64841c8b8d0] __do_page_fault at ffffffff8c0a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb64841c8b8f0] do_page_fault at ffffffff8c0a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb64841c8b920] page_fault at ffffffff8d000f8e
    /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: ffffffffc0844e20  RSP: ffffb64841c8b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffffa05d0e709398  RCX: 0000000000000001
    RDX: ffffa05e057cf200  RSI: 00000000b0000202  RDI: ffffa05e2ef5e440
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffffa05d0e00d300  R11: ffffa05e3fe64108  R12: ffffa05e2a678000
    R13: ffffa05e41240000  R14: ffffa05e2a678000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb64841c8b9d0] osd_bufs_put at ffffffffc1f3fd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb64841c8ba18] ofd_release_chunk_lnb at ffffffffc23f7652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb64841c8ba40] ofd_commitrw_write at ffffffffc23e4018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb64841c8bae0] ofd_commitrw at ffffffffc23eb57c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb64841c8bbb8] tgt_brw_write at ffffffffc178556c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb64841c8bd78] tgt_handle_request0 at ffffffffc177dd17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb64841c8bda8] tgt_request_handle at ffffffffc177f9b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb64841c8be28] ptlrpc_server_handle_request at ffffffffc16779e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb64841c8be90] ptlrpc_main at ffffffffc167ac08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb64841c8bf10] kthread at ffffffff8c157041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb64841c8bf50] ret_from_fork at ffffffff8d0001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330