PID: 8098   TASK: ffff94aabef327c0  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffffa62683eaf688] machine_kexec at ffffffffa9c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa62683eaf6e0] __crash_kexec at ffffffffa9e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa62683eaf7a0] crash_kexec at ffffffffa9e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa62683eaf7b8] oops_end at ffffffffa9c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa62683eaf7d8] no_context.cold.27 at ffffffffa9ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa62683eaf830] __bad_area_nosemaphore at ffffffffa9ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa62683eaf878] bad_area_nosemaphore at ffffffffa9ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa62683eaf880] do_user_addr_fault at ffffffffa9ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa62683eaf8d0] __do_page_fault at ffffffffa9ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa62683eaf8f0] do_page_fault at ffffffffa9ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa62683eaf920] page_fault at ffffffffaac00f8e
    /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: ffffffffc0722e20  RSP: ffffa62683eaf9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff94a984ff0c78  RCX: 0000000000000001
    RDX: ffff94aabbb2c000  RSI: 00000000b0000202  RDI: ffff94aabc4315c0
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff94a98537ae40  R11: ffff94aab4dbf8e8  R12: ffff94a985344000
    R13: ffff94aabc3e0000  R14: ffff94a985344000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa62683eaf9d0] osd_bufs_put at ffffffffc1e15d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa62683eafa18] ofd_release_chunk_lnb at ffffffffc22c8ca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa62683eafa40] ofd_commitrw_write at ffffffffc22b5708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa62683eafae0] ofd_commitrw at ffffffffc22bcca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa62683eafbb8] tgt_brw_write at ffffffffc162851c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa62683eafd78] tgt_handle_request0 at ffffffffc1620cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa62683eafda8] tgt_request_handle at ffffffffc1622965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa62683eafe28] ptlrpc_server_handle_request at ffffffffc151a9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa62683eafe90] ptlrpc_main at ffffffffc151dbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa62683eaff10] kthread at ffffffffa9d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa62683eaff50] ret_from_fork at ffffffffaac001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330