PID: 8102   TASK: ffff8b0801b027c0  CPU: 2   COMMAND: "ll_ost_io00_000"
 #0 [ffffa0c803e33688] machine_kexec at ffffffff896850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa0c803e336e0] __crash_kexec at ffffffff8983e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa0c803e337a0] crash_kexec at ffffffff8983fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa0c803e337b8] oops_end at ffffffff89637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa0c803e337d8] no_context.cold.27 at ffffffff896a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa0c803e33830] __bad_area_nosemaphore at ffffffff896a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa0c803e33878] bad_area_nosemaphore at ffffffff896a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa0c803e33880] do_user_addr_fault at ffffffff896a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa0c803e338d0] __do_page_fault at ffffffff896a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa0c803e338f0] do_page_fault at ffffffff896a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa0c803e33920] page_fault at ffffffff8a600f8e
    /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: ffffffffc0836e20  RSP: ffffa0c803e339d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8b0801b6dc80  RCX: 0000000000000006
    RDX: ffff8b07e0d0cc00  RSI: 00000000b0000202  RDI: ffff8b07fcbfd9c0
    RBP: 0000000000000006   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff8b06c6689000  R11: ffff8b07f55e9278  R12: ffff8b07f6497800
    R13: ffff8b07f63a0000  R14: ffff8b07f6497800  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa0c803e339d0] osd_bufs_put at ffffffffc1f2cd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa0c803e33a18] ofd_release_chunk_lnb at ffffffffc23e2652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa0c803e33a40] ofd_commitrw_write at ffffffffc23cf018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa0c803e33ae0] ofd_commitrw at ffffffffc23d657c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa0c803e33bb8] tgt_brw_write at ffffffffc173f54c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa0c803e33d78] tgt_handle_request0 at ffffffffc1737cf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa0c803e33da8] tgt_request_handle at ffffffffc1739995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa0c803e33e28] ptlrpc_server_handle_request at ffffffffc16319d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa0c803e33e90] ptlrpc_main at ffffffffc1634bf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa0c803e33f10] kthread at ffffffff89757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa0c803e33f50] ret_from_fork at ffffffff8a6001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330