PID: 6656   TASK: ffffa01108f44f80  CPU: 0   COMMAND: "ll_ost_io00_000"
 #0 [ffffc3d742b13688] machine_kexec at ffffffff862850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffc3d742b136e0] __crash_kexec at ffffffff8643e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffc3d742b137a0] crash_kexec at ffffffff8643fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffc3d742b137b8] oops_end at ffffffff86237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffc3d742b137d8] no_context.cold.27 at ffffffff862a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffc3d742b13830] __bad_area_nosemaphore at ffffffff862a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffc3d742b13878] bad_area_nosemaphore at ffffffff862a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffc3d742b13880] do_user_addr_fault at ffffffff862a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffc3d742b138d0] __do_page_fault at ffffffff862a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffc3d742b138f0] do_page_fault at ffffffff862a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffc3d742b13920] page_fault at ffffffff87200f8e
    /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: ffffffffc0675e20  RSP: ffffc3d742b139d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffffa0113f8cc720  RCX: 0000000000000010
    RDX: ffffa01106724c00  RSI: 00000000b0000202  RDI: ffffa011208ac600
    RBP: 0000000000000010   R8: 0000000000000000   R9: 0000000000000000
    R10: ffffa0113fe8e0f0  R11: ffffa0113fd8e648  R12: ffffa0112c92d840
    R13: ffffa01134a80000  R14: ffffa0112c92dc00  R15: 000000000000000f
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffc3d742b139d0] osd_bufs_put at ffffffffc1d6ed97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffc3d742b13a18] ofd_release_chunk_lnb at ffffffffc2224782 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffc3d742b13a40] ofd_commitrw_write at ffffffffc2211018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffc3d742b13ae0] ofd_commitrw at ffffffffc221857c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffc3d742b13bb8] tgt_brw_write at ffffffffc15b654c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffc3d742b13d78] tgt_handle_request0 at ffffffffc15aecf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffc3d742b13da8] tgt_request_handle at ffffffffc15b0995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffc3d742b13e28] ptlrpc_server_handle_request at ffffffffc14a89d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffc3d742b13e90] ptlrpc_main at ffffffffc14abbf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffc3d742b13f10] kthread at ffffffff86357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffc3d742b13f50] ret_from_fork at ffffffff872001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330