PID: 8114   TASK: ffff911d5f6727c0  CPU: 3   COMMAND: "ll_ost_io00_002"
 #0 [ffffa72b04b93678] machine_kexec at ffffffff8d6850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa72b04b936d0] __crash_kexec at ffffffff8d83e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa72b04b93790] crash_kexec at ffffffff8d83fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa72b04b937a8] oops_end at ffffffff8d637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa72b04b937c8] no_context.cold.27 at ffffffff8d6a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa72b04b93820] __bad_area_nosemaphore at ffffffff8d6a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa72b04b93868] bad_area_nosemaphore at ffffffff8d6a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa72b04b93870] do_user_addr_fault at ffffffff8d6a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa72b04b938c0] __do_page_fault at ffffffff8d6a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa72b04b938e0] do_page_fault at ffffffff8d6a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa72b04b93910] page_fault at ffffffff8e600f8e
    /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: ffffffffc0891e20  RSP: ffffa72b04b939c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff911d5e1898f0  RCX: 0000000000000002
    RDX: ffff911d7c771e00  RSI: 00000000b0000202  RDI: ffff911d632a0020
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff911d7c9c5240  R11: ffff911d67b61bc8  R12: ffff911d816cc000
    R13: ffff911d5e140000  R14: ffff911d816cc000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa72b04b939c0] osd_bufs_put at ffffffffc1f9ad97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa72b04b93a08] ofd_release_chunk_lnb at ffffffffc244e882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa72b04b93a30] ofd_commitrw_write at ffffffffc243a376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffa72b04b93ad0] ofd_commitrw at ffffffffc244207c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffa72b04b93ba8] tgt_brw_write at ffffffffc17cd588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffa72b04b93d78] tgt_handle_request0 at ffffffffc17c5bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffa72b04b93da8] tgt_request_handle at ffffffffc17c7895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa72b04b93e28] ptlrpc_server_handle_request at ffffffffc16bf9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa72b04b93e90] ptlrpc_main at ffffffffc16c2bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa72b04b93f10] kthread at ffffffff8d757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa72b04b93f50] ret_from_fork at ffffffff8e6001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330