PID: 8122   TASK: ffff9bfdbb4d27c0  CPU: 1   COMMAND: "ll_ost_io00_000"
 #0 [ffffc008c4d0b688] machine_kexec at ffffffffbae850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffc008c4d0b6e0] __crash_kexec at ffffffffbb03e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffc008c4d0b7a0] crash_kexec at ffffffffbb03fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffc008c4d0b7b8] oops_end at ffffffffbae37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffc008c4d0b7d8] no_context.cold.27 at ffffffffbaea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffc008c4d0b830] __bad_area_nosemaphore at ffffffffbaea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffc008c4d0b878] bad_area_nosemaphore at ffffffffbaea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffc008c4d0b880] do_user_addr_fault at ffffffffbaea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffc008c4d0b8d0] __do_page_fault at ffffffffbaea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffc008c4d0b8f0] do_page_fault at ffffffffbaea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffc008c4d0b920] page_fault at ffffffffbbe00f8e
    /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: ffffffffc08a8e20  RSP: ffffc008c4d0b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9bfdaf5ca1c8  RCX: 0000000000000001
    RDX: ffff9bfdbb943c00  RSI: 00000000b0000202  RDI: ffff9bfdbb262420
    RBP: 0000000000000001   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff9bfdbb262640  R11: 000000667397ea80  R12: ffff9bfc8650c080
    R13: ffff9bfdb7480000  R14: ffff9bfc8650c080  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffc008c4d0b9d0] osd_bufs_put at ffffffffc1f9bd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffc008c4d0ba18] ofd_release_chunk_lnb at ffffffffc244eca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffc008c4d0ba40] ofd_commitrw_write at ffffffffc243b708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffc008c4d0bae0] ofd_commitrw at ffffffffc2442ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffc008c4d0bbb8] tgt_brw_write at ffffffffc17ae51c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffc008c4d0bd78] tgt_handle_request0 at ffffffffc17a6cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffc008c4d0bda8] tgt_request_handle at ffffffffc17a8965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffc008c4d0be28] ptlrpc_server_handle_request at ffffffffc16a09a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffc008c4d0be90] ptlrpc_main at ffffffffc16a3bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffc008c4d0bf10] kthread at ffffffffbaf57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffc008c4d0bf50] ret_from_fork at ffffffffbbe001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330