PID: 8114   TASK: ffff9724b42e0000  CPU: 3   COMMAND: "ll_ost_io00_002"
 #0 [ffffa359c4a2b688] machine_kexec at ffffffff828850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa359c4a2b6e0] __crash_kexec at ffffffff82a3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa359c4a2b7a0] crash_kexec at ffffffff82a3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa359c4a2b7b8] oops_end at ffffffff82837cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa359c4a2b7d8] no_context.cold.27 at ffffffff828a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa359c4a2b830] __bad_area_nosemaphore at ffffffff828a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa359c4a2b878] bad_area_nosemaphore at ffffffff828a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa359c4a2b880] do_user_addr_fault at ffffffff828a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa359c4a2b8d0] __do_page_fault at ffffffff828a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa359c4a2b8f0] do_page_fault at ffffffff828a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa359c4a2b920] page_fault at ffffffff83800f8e
    /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: ffffffffc075de20  RSP: ffffa359c4a2b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9724bef52c78  RCX: 0000000000000010
    RDX: ffff972488ccba00  RSI: 00000000b0000202  RDI: ffff9724b08a6900
    RBP: 0000000000000010   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff9724bfe61780  R11: ffff97238444c108  R12: ffff9724ae450000
    R13: ffff9724c1820000  R14: ffff9724ae450000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa359c4a2b9d0] osd_bufs_put at ffffffffc1e57d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa359c4a2ba18] ofd_release_chunk_lnb at ffffffffc230f652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa359c4a2ba40] ofd_commitrw_write at ffffffffc22fc018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa359c4a2bae0] ofd_commitrw at ffffffffc230357c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa359c4a2bbb8] tgt_brw_write at ffffffffc169e56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa359c4a2bd78] tgt_handle_request0 at ffffffffc1696d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa359c4a2bda8] tgt_request_handle at ffffffffc16989b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa359c4a2be28] ptlrpc_server_handle_request at ffffffffc15909e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa359c4a2be90] ptlrpc_main at ffffffffc1593c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa359c4a2bf10] kthread at ffffffff82957041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa359c4a2bf50] ret_from_fork at ffffffff838001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330