PID: 8113   TASK: ffff9261492b27c0  CPU: 0   COMMAND: "ll_ost_io00_002"
 #0 [ffffb67fc439f678] machine_kexec at ffffffff8fa850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb67fc439f6d0] __crash_kexec at ffffffff8fc3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb67fc439f790] crash_kexec at ffffffff8fc3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb67fc439f7a8] oops_end at ffffffff8fa37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb67fc439f7c8] no_context.cold.27 at ffffffff8faa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb67fc439f820] __bad_area_nosemaphore at ffffffff8faa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb67fc439f868] bad_area_nosemaphore at ffffffff8faa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb67fc439f870] do_user_addr_fault at ffffffff8faa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb67fc439f8c0] __do_page_fault at ffffffff8faa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb67fc439f8e0] do_page_fault at ffffffff8faa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb67fc439f910] page_fault at ffffffff90a00f8e
    /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: ffffffffc0830e20  RSP: ffffb67fc439f9c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff92617cb1ac78  RCX: 0000000000000002
    RDX: ffff92617baab600  RSI: 00000000b0000202  RDI: ffff926150c17b80
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff926148adf900  R11: ffff926044863310  R12: ffff926176e70000
    R13: ffff92617b8a0000  R14: ffff926176e70000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb67fc439f9c0] osd_bufs_put at ffffffffc1f21d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb67fc439fa08] ofd_release_chunk_lnb at ffffffffc23d5882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb67fc439fa30] ofd_commitrw_write at ffffffffc23c1376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffb67fc439fad0] ofd_commitrw at ffffffffc23c907c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffb67fc439fba8] tgt_brw_write at ffffffffc1734588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffb67fc439fd78] tgt_handle_request0 at ffffffffc172cbf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffb67fc439fda8] tgt_request_handle at ffffffffc172e895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb67fc439fe28] ptlrpc_server_handle_request at ffffffffc16269a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb67fc439fe90] ptlrpc_main at ffffffffc1629bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb67fc439ff10] kthread at ffffffff8fb57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb67fc439ff50] ret_from_fork at ffffffff90a001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330