PID: 8121   TASK: ffff95de876127c0  CPU: 0   COMMAND: "ll_ost_io00_000"
 #0 [ffffaab243eeb688] machine_kexec at ffffffffb4c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffaab243eeb6e0] __crash_kexec at ffffffffb4e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffaab243eeb7a0] crash_kexec at ffffffffb4e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffaab243eeb7b8] oops_end at ffffffffb4c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffaab243eeb7d8] no_context.cold.27 at ffffffffb4ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffaab243eeb830] __bad_area_nosemaphore at ffffffffb4ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffaab243eeb878] bad_area_nosemaphore at ffffffffb4ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffaab243eeb880] do_user_addr_fault at ffffffffb4ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffaab243eeb8d0] __do_page_fault at ffffffffb4ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffaab243eeb8f0] do_page_fault at ffffffffb4ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffaab243eeb920] page_fault at ffffffffb5c00f8e
    /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: ffffffffc0598e20  RSP: ffffaab243eeb9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff95debbe42000  RCX: 0000000000000006
    RDX: ffff95deb513f600  RSI: 00000000b0000202  RDI: ffff95deb4331240
    RBP: 0000000000000006   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff95debba6a0c0  R11: ffff95dd84c9a070  R12: ffff95debdcf3400
    R13: ffff95deb7d80000  R14: ffff95debdcf3400  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffaab243eeb9d0] osd_bufs_put at ffffffffc1c8ed97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffaab243eeba18] ofd_release_chunk_lnb at ffffffffc2144652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffaab243eeba40] ofd_commitrw_write at ffffffffc2131018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffaab243eebae0] ofd_commitrw at ffffffffc213857c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffaab243eebbb8] tgt_brw_write at ffffffffc14a154c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffaab243eebd78] tgt_handle_request0 at ffffffffc1499cf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffaab243eebda8] tgt_request_handle at ffffffffc149b995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffaab243eebe28] ptlrpc_server_handle_request at ffffffffc13939d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffaab243eebe90] ptlrpc_main at ffffffffc1396bf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffaab243eebf10] kthread at ffffffffb4d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffaab243eebf50] ret_from_fork at ffffffffb5c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330