PID: 8129   TASK: ffff9a43bd64cf80  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffffba6d84887688] machine_kexec at ffffffff8e0850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffba6d848876e0] __crash_kexec at ffffffff8e23e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffba6d848877a0] crash_kexec at ffffffff8e23fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffba6d848877b8] oops_end at ffffffff8e037cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffba6d848877d8] no_context.cold.27 at ffffffff8e0a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffba6d84887830] __bad_area_nosemaphore at ffffffff8e0a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffba6d84887878] bad_area_nosemaphore at ffffffff8e0a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffba6d84887880] do_user_addr_fault at ffffffff8e0a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffba6d848878d0] __do_page_fault at ffffffff8e0a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffba6d848878f0] do_page_fault at ffffffff8e0a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffba6d84887920] page_fault at ffffffff8f000f8e
    /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: ffffffffc08a6e20  RSP: ffffba6d848879d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9a43be347398  RCX: 0000000000000006
    RDX: ffff9a43b9f8d200  RSI: 00000000b0000202  RDI: ffff9a43bdc69440
    RBP: 0000000000000006   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff9a42869bd180  R11: ffff9a43a5b629c0  R12: ffff9a439107f000
    R13: ffff9a43baa00000  R14: ffff9a439107f000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffba6d848879d0] osd_bufs_put at ffffffffc1f9cd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffba6d84887a18] ofd_release_chunk_lnb at ffffffffc2452652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffba6d84887a40] ofd_commitrw_write at ffffffffc243f018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffba6d84887ae0] ofd_commitrw at ffffffffc244657c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffba6d84887bb8] tgt_brw_write at ffffffffc17af54c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffba6d84887d78] tgt_handle_request0 at ffffffffc17a7cf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffba6d84887da8] tgt_request_handle at ffffffffc17a9995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffba6d84887e28] ptlrpc_server_handle_request at ffffffffc16a19d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffba6d84887e90] ptlrpc_main at ffffffffc16a4bf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffba6d84887f10] kthread at ffffffff8e157041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffba6d84887f50] ret_from_fork at ffffffff8f0001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330