PID: 8080   TASK: ffff940408bf4f80  CPU: 3   COMMAND: "ll_ost_io00_002"
 #0 [ffffaa1784697678] machine_kexec at ffffffffa8a850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffaa17846976d0] __crash_kexec at ffffffffa8c3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffaa1784697790] crash_kexec at ffffffffa8c3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffaa17846977a8] oops_end at ffffffffa8a37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffaa17846977c8] no_context.cold.27 at ffffffffa8aa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffaa1784697820] __bad_area_nosemaphore at ffffffffa8aa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffaa1784697868] bad_area_nosemaphore at ffffffffa8aa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffaa1784697870] do_user_addr_fault at ffffffffa8aa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffaa17846978c0] __do_page_fault at ffffffffa8aa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffaa17846978e0] do_page_fault at ffffffffa8aa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffaa1784697910] page_fault at ffffffffa9a00f8e
    /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: ffffffffc06fce20  RSP: ffffaa17846979c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff94043bbab1d0  RCX: 0000000000000002
    RDX: ffff940301e0bc00  RSI: 00000000b0000202  RDI: ffff940408e101e0
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff940441b77300  R11: ffff94043fdbef98  R12: ffff940441fb0000
    R13: ffff94043f740000  R14: ffff940441fb0000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffaa17846979c0] osd_bufs_put at ffffffffc1df0d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffaa1784697a08] ofd_release_chunk_lnb at ffffffffc22a4882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffaa1784697a30] ofd_commitrw_write at ffffffffc2290376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffaa1784697ad0] ofd_commitrw at ffffffffc229807c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffaa1784697ba8] tgt_brw_write at ffffffffc1638588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffaa1784697d78] tgt_handle_request0 at ffffffffc1630bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffaa1784697da8] tgt_request_handle at ffffffffc1632895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffaa1784697e28] ptlrpc_server_handle_request at ffffffffc152a9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffaa1784697e90] ptlrpc_main at ffffffffc152dbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffaa1784697f10] kthread at ffffffffa8b57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffaa1784697f50] ret_from_fork at ffffffffa9a001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330