PID: 101880  TASK: ffff9f6447c44f80  CPU: 2   COMMAND: "ll_ost_io00_014"
 #0 [ffffbe0b83867688] machine_kexec at ffffffff92a850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffbe0b838676e0] __crash_kexec at ffffffff92c3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffbe0b838677a0] crash_kexec at ffffffff92c3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffbe0b838677b8] oops_end at ffffffff92a37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffbe0b838677d8] no_context.cold.27 at ffffffff92aa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffbe0b83867830] __bad_area_nosemaphore at ffffffff92aa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffbe0b83867878] bad_area_nosemaphore at ffffffff92aa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffbe0b83867880] do_user_addr_fault at ffffffff92aa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffbe0b838678d0] __do_page_fault at ffffffff92aa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffbe0b838678f0] do_page_fault at ffffffff92aa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffbe0b83867920] page_fault at ffffffff93a00f8e
    /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: ffffffffc07dee20  RSP: ffffbe0b838679d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9f644bf17ab8  RCX: 0000000000000007
    RDX: ffff9f657646da00  RSI: 00000000b0000202  RDI: ffff9f6547f49a40
    RBP: 0000000000000007   R8: ffff9f657ae81d84   R9: 0000000000000000
    R10: 00000000bf32e5a6  R11: ffff9f657ae82000  R12: ffff9f644dc1c000
    R13: ffff9f657ac60000  R14: ffff9f644dc1c000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffbe0b838679d0] osd_bufs_put at ffffffffc1ed0d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffbe0b83867a18] ofd_release_chunk_lnb at ffffffffc2383ca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffbe0b83867a40] ofd_commitrw_write at ffffffffc2370708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffbe0b83867ae0] ofd_commitrw at ffffffffc2377ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffbe0b83867bb8] tgt_brw_write at ffffffffc16e44fc [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffbe0b83867d78] tgt_handle_request0 at ffffffffc16dcca7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffbe0b83867da8] tgt_request_handle at ffffffffc16de945 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffbe0b83867e28] ptlrpc_server_handle_request at ffffffffc15d69a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffbe0b83867e90] ptlrpc_main at ffffffffc15d9bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffbe0b83867f10] kthread at ffffffff92b57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffbe0b83867f50] ret_from_fork at ffffffff93a001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330