PID: 8092   TASK: ffff91633d7027c0  CPU: 2   COMMAND: "ll_ost_io00_000"
 #0 [ffffb32cc461f688] machine_kexec at ffffffff8ae850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb32cc461f6e0] __crash_kexec at ffffffff8b03e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb32cc461f7a0] crash_kexec at ffffffff8b03fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb32cc461f7b8] oops_end at ffffffff8ae37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb32cc461f7d8] no_context.cold.27 at ffffffff8aea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb32cc461f830] __bad_area_nosemaphore at ffffffff8aea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb32cc461f878] bad_area_nosemaphore at ffffffff8aea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb32cc461f880] do_user_addr_fault at ffffffff8aea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb32cc461f8d0] __do_page_fault at ffffffff8aea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb32cc461f8f0] do_page_fault at ffffffff8aea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb32cc461f920] page_fault at ffffffff8be00f8e
    /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: ffffffffc0823e20  RSP: ffffb32cc461f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff916204796c78  RCX: 0000000000000001
    RDX: ffff9163367a7000  RSI: 00000000b0000202  RDI: ffff91633a5f7980
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9163042bf240  R11: ffff91633cf5b310  R12: ffff916336474000
    R13: ffff9163345a0000  R14: ffff916336474000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb32cc461f9d0] osd_bufs_put at ffffffffc1f19d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb32cc461fa18] ofd_release_chunk_lnb at ffffffffc23ccca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb32cc461fa40] ofd_commitrw_write at ffffffffc23b9708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb32cc461fae0] ofd_commitrw at ffffffffc23c0ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb32cc461fbb8] tgt_brw_write at ffffffffc176151c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb32cc461fd78] tgt_handle_request0 at ffffffffc1759cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb32cc461fda8] tgt_request_handle at ffffffffc175b965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb32cc461fe28] ptlrpc_server_handle_request at ffffffffc16539a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb32cc461fe90] ptlrpc_main at ffffffffc1656bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb32cc461ff10] kthread at ffffffff8af57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb32cc461ff50] ret_from_fork at ffffffff8be001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330