PID: 16479  TASK: ffff9c59830b4f80  CPU: 2   COMMAND: "ll_ost_io00_012"
 #0 [ffffa9130406b688] machine_kexec at ffffffff8b4850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa9130406b6e0] __crash_kexec at ffffffff8b63e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa9130406b7a0] crash_kexec at ffffffff8b63fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa9130406b7b8] oops_end at ffffffff8b437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa9130406b7d8] no_context.cold.27 at ffffffff8b4a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa9130406b830] __bad_area_nosemaphore at ffffffff8b4a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa9130406b878] bad_area_nosemaphore at ffffffff8b4a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa9130406b880] do_user_addr_fault at ffffffff8b4a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa9130406b8d0] __do_page_fault at ffffffff8b4a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa9130406b8f0] do_page_fault at ffffffff8b4a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa9130406b920] page_fault at ffffffff8c400f8e
    /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: ffffffffc0810e20  RSP: ffffa9130406b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9c588e9fa390  RCX: 0000000000000001
    RDX: ffff9c5887e1dc00  RSI: 00000000b0000202  RDI: ffff9c598900dda0
    RBP: 0000000000000001   R8: 0000000000000029   R9: 0000000000000005
    R10: ffff9c59bd943600  R11: ffff9c5881510928  R12: ffff9c5884b20000
    R13: ffff9c5984a40000  R14: ffff9c5884b20000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa9130406b9d0] osd_bufs_put at ffffffffc1f03d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa9130406ba18] ofd_release_chunk_lnb at ffffffffc23b72c2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa9130406ba40] ofd_commitrw_write at ffffffffc23a33e8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [ffffa9130406bae0] ofd_commitrw at ffffffffc23aa9eb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [ffffa9130406bbb8] tgt_brw_write at ffffffffc174d45c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa9130406bd78] tgt_handle_request0 at ffffffffc1745c07 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa9130406bda8] tgt_request_handle at ffffffffc17478a5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa9130406be28] ptlrpc_server_handle_request at ffffffffc163f9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa9130406be90] ptlrpc_main at ffffffffc1642bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa9130406bf10] kthread at ffffffff8b557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa9130406bf50] ret_from_fork at ffffffff8c4001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330