PID: 6699   TASK: ffff954a47c5cf80  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffffb6fd83b73688] machine_kexec at ffffffffabc850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb6fd83b736e0] __crash_kexec at ffffffffabe3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb6fd83b737a0] crash_kexec at ffffffffabe3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb6fd83b737b8] oops_end at ffffffffabc37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb6fd83b737d8] no_context.cold.27 at ffffffffabca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb6fd83b73830] __bad_area_nosemaphore at ffffffffabca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb6fd83b73878] bad_area_nosemaphore at ffffffffabca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb6fd83b73880] do_user_addr_fault at ffffffffabca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb6fd83b738d0] __do_page_fault at ffffffffabca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb6fd83b738f0] do_page_fault at ffffffffabca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb6fd83b73920] page_fault at ffffffffacc00f8e
    /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: ffffffffc0580e20  RSP: ffffb6fd83b739d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff954a43d90e40  RCX: 0000000000000001
    RDX: ffff954a47cb9400  RSI: 00000000b0000202  RDI: ffff95494526f2e0
    RBP: 0000000000000001   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff954a445ca600  R11: ffff954a6da44a58  R12: ffff954947900000
    R13: ffff954a7c080000  R14: ffff954947900000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb6fd83b739d0] osd_bufs_put at ffffffffc1c73d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb6fd83b73a18] ofd_release_chunk_lnb at ffffffffc2126ca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb6fd83b73a40] ofd_commitrw_write at ffffffffc2113708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb6fd83b73ae0] ofd_commitrw at ffffffffc211aca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb6fd83b73bb8] tgt_brw_write at ffffffffc148651c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb6fd83b73d78] tgt_handle_request0 at ffffffffc147ecc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb6fd83b73da8] tgt_request_handle at ffffffffc1480965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb6fd83b73e28] ptlrpc_server_handle_request at ffffffffc13789a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb6fd83b73e90] ptlrpc_main at ffffffffc137bbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb6fd83b73f10] kthread at ffffffffabd57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb6fd83b73f50] ret_from_fork at ffffffffacc001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330