PID: 6687   TASK: ffff91ca7b4d27c0  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffff9f5302c17688] machine_kexec at ffffffff866850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffff9f5302c176e0] __crash_kexec at ffffffff8683e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffff9f5302c177a0] crash_kexec at ffffffff8683fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffff9f5302c177b8] oops_end at ffffffff86637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffff9f5302c177d8] no_context.cold.27 at ffffffff866a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffff9f5302c17830] __bad_area_nosemaphore at ffffffff866a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffff9f5302c17878] bad_area_nosemaphore at ffffffff866a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffff9f5302c17880] do_user_addr_fault at ffffffff866a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffff9f5302c178d0] __do_page_fault at ffffffff866a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffff9f5302c178f0] do_page_fault at ffffffff866a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffff9f5302c17920] page_fault at ffffffff87600f8e
    /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: ffffffffc08d4e20  RSP: ffff9f5302c179d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff91c943bdcab0  RCX: 0000000000000001
    RDX: ffff91ca6388ac00  RSI: 00000000b0000202  RDI: ffff91ca806eb7c0
    RBP: 0000000000000001   R8: 0000000000000029   R9: 000000000000001b
    R10: ffff91ca5ffa8e40  R11: ffff91ca72361278  R12: ffff91c94a7e4000
    R13: ffff91ca662a0000  R14: ffff91c94a7e4000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffff9f5302c179d0] osd_bufs_put at ffffffffc1fcad97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffff9f5302c17a18] ofd_release_chunk_lnb at ffffffffc247ddb2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffff9f5302c17a40] ofd_commitrw_write at ffffffffc246a708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffff9f5302c17ae0] ofd_commitrw at ffffffffc2471ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffff9f5302c17bb8] tgt_brw_write at ffffffffc181251c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffff9f5302c17d78] tgt_handle_request0 at ffffffffc180acc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffff9f5302c17da8] tgt_request_handle at ffffffffc180c965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffff9f5302c17e28] ptlrpc_server_handle_request at ffffffffc17049a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffff9f5302c17e90] ptlrpc_main at ffffffffc1707bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffff9f5302c17f10] kthread at ffffffff86757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffff9f5302c17f50] ret_from_fork at ffffffff876001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330