PID: 8093   TASK: ffff960607d0cf80  CPU: 1   COMMAND: "ll_ost_io00_002"
 #0 [ffffa7a2c450f688] machine_kexec at ffffffffb9e850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa7a2c450f6e0] __crash_kexec at ffffffffba03e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa7a2c450f7a0] crash_kexec at ffffffffba03fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa7a2c450f7b8] oops_end at ffffffffb9e37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa7a2c450f7d8] no_context.cold.27 at ffffffffb9ea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa7a2c450f830] __bad_area_nosemaphore at ffffffffb9ea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa7a2c450f878] bad_area_nosemaphore at ffffffffb9ea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa7a2c450f880] do_user_addr_fault at ffffffffb9ea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa7a2c450f8d0] __do_page_fault at ffffffffb9ea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa7a2c450f8f0] do_page_fault at ffffffffb9ea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa7a2c450f920] page_fault at ffffffffbae00f8e
    /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: ffffffffc06d4e20  RSP: ffffa7a2c450f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff960605c77560  RCX: 0000000000000010
    RDX: ffff96063b30b600  RSI: 00000000b0000202  RDI: ffff960505f82700
    RBP: 0000000000000010   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9606119e06c0  R11: ffff9606365e45b0  R12: ffff96063ac70000
    R13: ffff96063cd80000  R14: ffff96063ac70000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa7a2c450f9d0] osd_bufs_put at ffffffffc1dcbd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa7a2c450fa18] ofd_release_chunk_lnb at ffffffffc2283652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa7a2c450fa40] ofd_commitrw_write at ffffffffc2270018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa7a2c450fae0] ofd_commitrw at ffffffffc227757c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa7a2c450fbb8] tgt_brw_write at ffffffffc15dd56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa7a2c450fd78] tgt_handle_request0 at ffffffffc15d5d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa7a2c450fda8] tgt_request_handle at ffffffffc15d79b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa7a2c450fe28] ptlrpc_server_handle_request at ffffffffc14cf9e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa7a2c450fe90] ptlrpc_main at ffffffffc14d2c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa7a2c450ff10] kthread at ffffffffb9f57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa7a2c450ff50] ret_from_fork at ffffffffbae001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330