PID: 16921  TASK: ffff8b0f02b40000  CPU: 3   COMMAND: "ll_ost_io00_010"
 #0 [ffffb7eac48b3688] machine_kexec at ffffffff972850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb7eac48b36e0] __crash_kexec at ffffffff9743e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb7eac48b37a0] crash_kexec at ffffffff9743fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb7eac48b37b8] oops_end at ffffffff97237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb7eac48b37d8] no_context.cold.27 at ffffffff972a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb7eac48b3830] __bad_area_nosemaphore at ffffffff972a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb7eac48b3878] bad_area_nosemaphore at ffffffff972a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb7eac48b3880] do_user_addr_fault at ffffffff972a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb7eac48b38d0] __do_page_fault at ffffffff972a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb7eac48b38f0] do_page_fault at ffffffff972a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb7eac48b3920] page_fault at ffffffff98200f8e
    /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: ffffffffc0813e20  RSP: ffffb7eac48b39d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8b0e0ba128e8  RCX: 0000000000000001
    RDX: ffff8b0e07a53e00  RSI: 00000000b0000202  RDI: ffff8b0f10210980
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff8b0f1f365b40  R11: ffff8b0f3fc8d3a8  R12: ffff8b0e1bddc000
    R13: ffff8b0f41ea0000  R14: ffff8b0e1bddc000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb7eac48b39d0] osd_bufs_put at ffffffffc1f0bd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb7eac48b3a18] ofd_release_chunk_lnb at ffffffffc23c3652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb7eac48b3a40] ofd_commitrw_write at ffffffffc23b0018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb7eac48b3ae0] ofd_commitrw at ffffffffc23b757c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb7eac48b3bb8] tgt_brw_write at ffffffffc171c56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb7eac48b3d78] tgt_handle_request0 at ffffffffc1714d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb7eac48b3da8] tgt_request_handle at ffffffffc17169b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb7eac48b3e28] ptlrpc_server_handle_request at ffffffffc160e9e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb7eac48b3e90] ptlrpc_main at ffffffffc1611c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb7eac48b3f10] kthread at ffffffff97357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb7eac48b3f50] ret_from_fork at ffffffff982001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330