PID: 6678   TASK: ffff88dea9820000  CPU: 0   COMMAND: "ll_ost_io00_000"
 #0 [ffff9ca0439ef688] machine_kexec at ffffffffaae850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffff9ca0439ef6e0] __crash_kexec at ffffffffab03e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffff9ca0439ef7a0] crash_kexec at ffffffffab03fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffff9ca0439ef7b8] oops_end at ffffffffaae37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffff9ca0439ef7d8] no_context.cold.27 at ffffffffaaea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffff9ca0439ef830] __bad_area_nosemaphore at ffffffffaaea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffff9ca0439ef878] bad_area_nosemaphore at ffffffffaaea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffff9ca0439ef880] do_user_addr_fault at ffffffffaaea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffff9ca0439ef8d0] __do_page_fault at ffffffffaaea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffff9ca0439ef8f0] do_page_fault at ffffffffaaea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffff9ca0439ef920] page_fault at ffffffffabe00f8e
    /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: ffffffffc0648e20  RSP: ffff9ca0439ef9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff88dea6d01008  RCX: 0000000000000006
    RDX: ffff88deb3d43800  RSI: 00000000b0000202  RDI: ffff88dd813eb720
    RBP: 0000000000000006   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff88deadd2a6c0  R11: 0000000000000000  R12: ffff88de84140000
    R13: ffff88dea6c80000  R14: ffff88de84140000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffff9ca0439ef9d0] osd_bufs_put at ffffffffc1d3ed97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffff9ca0439efa18] ofd_release_chunk_lnb at ffffffffc21f4652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffff9ca0439efa40] ofd_commitrw_write at ffffffffc21e1018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffff9ca0439efae0] ofd_commitrw at ffffffffc21e857c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffff9ca0439efbb8] tgt_brw_write at ffffffffc155154c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffff9ca0439efd78] tgt_handle_request0 at ffffffffc1549cf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffff9ca0439efda8] tgt_request_handle at ffffffffc154b995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffff9ca0439efe28] ptlrpc_server_handle_request at ffffffffc14439d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffff9ca0439efe90] ptlrpc_main at ffffffffc1446bf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffff9ca0439eff10] kthread at ffffffffaaf57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffff9ca0439eff50] ret_from_fork at ffffffffabe001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330