PID: 6698   TASK: ffff8be8d0908000  CPU: 0   COMMAND: "ll_ost_io00_002"
 #0 [ffffb2e2c386f688] machine_kexec at ffffffffb12850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb2e2c386f6e0] __crash_kexec at ffffffffb143e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb2e2c386f7a0] crash_kexec at ffffffffb143fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb2e2c386f7b8] oops_end at ffffffffb1237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb2e2c386f7d8] no_context.cold.27 at ffffffffb12a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb2e2c386f830] __bad_area_nosemaphore at ffffffffb12a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb2e2c386f878] bad_area_nosemaphore at ffffffffb12a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb2e2c386f880] do_user_addr_fault at ffffffffb12a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb2e2c386f8d0] __do_page_fault at ffffffffb12a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb2e2c386f8f0] do_page_fault at ffffffffb12a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb2e2c386f920] page_fault at ffffffffb2200f8e
    /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: ffffffffc08e3e20  RSP: ffffb2e2c386f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8be8e0afc558  RCX: 0000000000000010
    RDX: ffff8be8dfe0f200  RSI: 00000000b0000202  RDI: ffff8be8dfe1e060
    RBP: 0000000000000010   R8: 0000000000000000   R9: 000000000000000b
    R10: ffff8be8f92ece10  R11: ffff8be8e9bb45b0  R12: ffff8be8ffbf1000
    R13: ffff8be8ee9a0000  R14: ffff8be8ffbf1000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb2e2c386f9d0] osd_bufs_put at ffffffffc1fdad97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb2e2c386fa18] ofd_release_chunk_lnb at ffffffffc2492652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb2e2c386fa40] ofd_commitrw_write at ffffffffc247f018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb2e2c386fae0] ofd_commitrw at ffffffffc248657c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb2e2c386fbb8] tgt_brw_write at ffffffffc17ec56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb2e2c386fd78] tgt_handle_request0 at ffffffffc17e4d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb2e2c386fda8] tgt_request_handle at ffffffffc17e69b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb2e2c386fe28] ptlrpc_server_handle_request at ffffffffc16de9e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb2e2c386fe90] ptlrpc_main at ffffffffc16e1c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb2e2c386ff10] kthread at ffffffffb1357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb2e2c386ff50] ret_from_fork at ffffffffb22001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330