PID: 8106   TASK: ffff9cdb90aa0000  CPU: 1   COMMAND: "ll_ost_io00_000"
 #0 [ffffbbfdc3b73688] machine_kexec at ffffffffb5a850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffbbfdc3b736e0] __crash_kexec at ffffffffb5c3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffbbfdc3b737a0] crash_kexec at ffffffffb5c3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffbbfdc3b737b8] oops_end at ffffffffb5a37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffbbfdc3b737d8] no_context.cold.27 at ffffffffb5aa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffbbfdc3b73830] __bad_area_nosemaphore at ffffffffb5aa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffbbfdc3b73878] bad_area_nosemaphore at ffffffffb5aa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffbbfdc3b73880] do_user_addr_fault at ffffffffb5aa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffbbfdc3b738d0] __do_page_fault at ffffffffb5aa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffbbfdc3b738f0] do_page_fault at ffffffffb5aa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffbbfdc3b73920] page_fault at ffffffffb6a00f8e
    /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: ffffffffc070fe20  RSP: ffffbbfdc3b739d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9cdbada558f0  RCX: 0000000000000001
    RDX: ffff9cdbad952400  RSI: 00000000b0000202  RDI: ffff9cdb87d8b9c0
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9cdba0a6e240  R11: ffff9cdbb7d0eaf0  R12: ffff9cdb88a70000
    R13: ffff9cdbaf400000  R14: ffff9cdb88a70000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffbbfdc3b739d0] osd_bufs_put at ffffffffc1e02d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffbbfdc3b73a18] ofd_release_chunk_lnb at ffffffffc22b5ca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffbbfdc3b73a40] ofd_commitrw_write at ffffffffc22a2708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffbbfdc3b73ae0] ofd_commitrw at ffffffffc22a9ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffbbfdc3b73bb8] tgt_brw_write at ffffffffc161551c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffbbfdc3b73d78] tgt_handle_request0 at ffffffffc160dcc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffbbfdc3b73da8] tgt_request_handle at ffffffffc160f965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffbbfdc3b73e28] ptlrpc_server_handle_request at ffffffffc15079a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffbbfdc3b73e90] ptlrpc_main at ffffffffc150abc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffbbfdc3b73f10] kthread at ffffffffb5b57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffbbfdc3b73f50] ret_from_fork at ffffffffb6a001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330