PID: 6703   TASK: ffff92deaf5ca7c0  CPU: 2   COMMAND: "ll_ost_io00_000"
 #0 [ffffbaa742c5b688] machine_kexec at ffffffff95c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffbaa742c5b6e0] __crash_kexec at ffffffff95e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffbaa742c5b7a0] crash_kexec at ffffffff95e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffbaa742c5b7b8] oops_end at ffffffff95c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffbaa742c5b7d8] no_context.cold.27 at ffffffff95ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffbaa742c5b830] __bad_area_nosemaphore at ffffffff95ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffbaa742c5b878] bad_area_nosemaphore at ffffffff95ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffbaa742c5b880] do_user_addr_fault at ffffffff95ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffbaa742c5b8d0] __do_page_fault at ffffffff95ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffbaa742c5b8f0] do_page_fault at ffffffff95ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffbaa742c5b920] page_fault at ffffffff96c00f8e
    /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: ffffffffc07cbe20  RSP: ffffbaa742c5b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff92de9ea04720  RCX: 0000000000000007
    RDX: ffff92de85665800  RSI: 00000000b0000202  RDI: ffff92dead9a6000
    RBP: 0000000000000007   R8: ffff92dd84a9fbe9   R9: 0000000000000000
    R10: 00000000bbf94239  R11: ffff92dd84aa0000  R12: ffff92de9df16000
    R13: ffff92dd81e40000  R14: ffff92de9df16000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffbaa742c5b9d0] osd_bufs_put at ffffffffc1ebed97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffbaa742c5ba18] ofd_release_chunk_lnb at ffffffffc2371db2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffbaa742c5ba40] ofd_commitrw_write at ffffffffc235e708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffbaa742c5bae0] ofd_commitrw at ffffffffc2365ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffbaa742c5bbb8] tgt_brw_write at ffffffffc16d151c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffbaa742c5bd78] tgt_handle_request0 at ffffffffc16c9cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffbaa742c5bda8] tgt_request_handle at ffffffffc16cb965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffbaa742c5be28] ptlrpc_server_handle_request at ffffffffc15c39a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffbaa742c5be90] ptlrpc_main at ffffffffc15c6bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffbaa742c5bf10] kthread at ffffffff95d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffbaa742c5bf50] ret_from_fork at ffffffff96c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330