PID: 8103   TASK: ffff8b32ee21cf80  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffffb37483dd3688] machine_kexec at ffffffff872850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb37483dd36e0] __crash_kexec at ffffffff8743e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb37483dd37a0] crash_kexec at ffffffff8743fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb37483dd37b8] oops_end at ffffffff87237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb37483dd37d8] no_context.cold.27 at ffffffff872a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb37483dd3830] __bad_area_nosemaphore at ffffffff872a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb37483dd3878] bad_area_nosemaphore at ffffffff872a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb37483dd3880] do_user_addr_fault at ffffffff872a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb37483dd38d0] __do_page_fault at ffffffff872a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb37483dd38f0] do_page_fault at ffffffff872a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb37483dd3920] page_fault at ffffffff88200f8e
    /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: ffffffffc0842e20  RSP: ffffb37483dd39d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8b32e9314ab0  RCX: 0000000000000005
    RDX: ffff8b32fbe4a600  RSI: 00000000b0000202  RDI: ffff8b31c11ce0a0
    RBP: 0000000000000005   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff8b32d9174f00  R11: ffff8b32ef5353a8  R12: ffff8b32cb278000
    R13: ffff8b32efa00000  R14: ffff8b32cb278000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb37483dd39d0] osd_bufs_put at ffffffffc1f38d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb37483dd3a18] ofd_release_chunk_lnb at ffffffffc23ee652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb37483dd3a40] ofd_commitrw_write at ffffffffc23db018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb37483dd3ae0] ofd_commitrw at ffffffffc23e257c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb37483dd3bb8] tgt_brw_write at ffffffffc174b54c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb37483dd3d78] tgt_handle_request0 at ffffffffc1743cf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb37483dd3da8] tgt_request_handle at ffffffffc1745995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb37483dd3e28] ptlrpc_server_handle_request at ffffffffc163d9d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb37483dd3e90] ptlrpc_main at ffffffffc1640bf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb37483dd3f10] kthread at ffffffff87357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb37483dd3f50] ret_from_fork at ffffffff882001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330