PID: 14759  TASK: ffff9d78cac28000  CPU: 3   COMMAND: "ll_ost_io00_006"
 #0 [ffffb6d5418f7688] machine_kexec at ffffffff9f2850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb6d5418f76e0] __crash_kexec at ffffffff9f43e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb6d5418f77a0] crash_kexec at ffffffff9f43fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb6d5418f77b8] oops_end at ffffffff9f237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb6d5418f77d8] no_context.cold.27 at ffffffff9f2a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb6d5418f7830] __bad_area_nosemaphore at ffffffff9f2a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb6d5418f7878] bad_area_nosemaphore at ffffffff9f2a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb6d5418f7880] do_user_addr_fault at ffffffff9f2a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb6d5418f78d0] __do_page_fault at ffffffff9f2a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb6d5418f78f0] do_page_fault at ffffffff9f2a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb6d5418f7920] page_fault at ffffffffa0200f8e
    /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: ffffffffc0878e20  RSP: ffffb6d5418f79d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9d78d5f031d0  RCX: 0000000000000001
    RDX: ffff9d78cb68a600  RSI: 00000000b0000202  RDI: ffff9d78c77a5ee0
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9d79c2e84000  R11: ffff9d79ffe6c108  R12: ffff9d79f8904000
    R13: ffff9d79fa420000  R14: ffff9d79f8904000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb6d5418f79d0] osd_bufs_put at ffffffffc1f67d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb6d5418f7a18] ofd_release_chunk_lnb at ffffffffc241b012 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb6d5418f7a40] ofd_commitrw_write at ffffffffc24073b8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [ffffb6d5418f7ae0] ofd_commitrw at ffffffffc240e9bb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [ffffb6d5418f7bb8] tgt_brw_write at ffffffffc177d44c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb6d5418f7d78] tgt_handle_request0 at ffffffffc1775bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffb6d5418f7da8] tgt_request_handle at ffffffffc1777895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb6d5418f7e28] ptlrpc_server_handle_request at ffffffffc166f9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb6d5418f7e90] ptlrpc_main at ffffffffc1672bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb6d5418f7f10] kthread at ffffffff9f357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb6d5418f7f50] ret_from_fork at ffffffffa02001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330