PID: 6705   TASK: ffff9004449327c0  CPU: 2   COMMAND: "ll_ost_io00_000"
 #0 [ffffa99fc2e0f688] machine_kexec at ffffffffb74850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa99fc2e0f6e0] __crash_kexec at ffffffffb763e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa99fc2e0f7a0] crash_kexec at ffffffffb763fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa99fc2e0f7b8] oops_end at ffffffffb7437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa99fc2e0f7d8] no_context.cold.27 at ffffffffb74a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa99fc2e0f830] __bad_area_nosemaphore at ffffffffb74a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa99fc2e0f878] bad_area_nosemaphore at ffffffffb74a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa99fc2e0f880] do_user_addr_fault at ffffffffb74a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa99fc2e0f8d0] __do_page_fault at ffffffffb74a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa99fc2e0f8f0] do_page_fault at ffffffffb74a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa99fc2e0f920] page_fault at ffffffffb8400f8e
    /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: ffffffffc0656e20  RSP: ffffa99fc2e0f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9003412c1008  RCX: 0000000000000006
    RDX: ffff900473699a00  RSI: 00000000b0000202  RDI: ffff900342d015c0
    RBP: 0000000000000006   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff9004610dcc00  R11: ffff900457fd9bc8  R12: ffff9004731d2800
    R13: ffff90047cf60000  R14: ffff9004731d2800  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa99fc2e0f9d0] osd_bufs_put at ffffffffc1d4cd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa99fc2e0fa18] ofd_release_chunk_lnb at ffffffffc2202652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa99fc2e0fa40] ofd_commitrw_write at ffffffffc21ef018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa99fc2e0fae0] ofd_commitrw at ffffffffc21f657c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa99fc2e0fbb8] tgt_brw_write at ffffffffc155f54c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa99fc2e0fd78] tgt_handle_request0 at ffffffffc1557cf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa99fc2e0fda8] tgt_request_handle at ffffffffc1559995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa99fc2e0fe28] ptlrpc_server_handle_request at ffffffffc14519d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa99fc2e0fe90] ptlrpc_main at ffffffffc1454bf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa99fc2e0ff10] kthread at ffffffffb7557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa99fc2e0ff50] ret_from_fork at ffffffffb84001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330