PID: 16503  TASK: ffff9a9685bb0000  CPU: 2   COMMAND: "ll_ost_io00_013"
 #0 [ffffbf08c222f688] machine_kexec at ffffffffa2c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffbf08c222f6e0] __crash_kexec at ffffffffa2e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffbf08c222f7a0] crash_kexec at ffffffffa2e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffbf08c222f7b8] oops_end at ffffffffa2c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffbf08c222f7d8] no_context.cold.27 at ffffffffa2ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffbf08c222f830] __bad_area_nosemaphore at ffffffffa2ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffbf08c222f878] bad_area_nosemaphore at ffffffffa2ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffbf08c222f880] do_user_addr_fault at ffffffffa2ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffbf08c222f8d0] __do_page_fault at ffffffffa2ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffbf08c222f8f0] do_page_fault at ffffffffa2ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffbf08c222f920] page_fault at ffffffffa3c00f8e
    /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: ffffffffc081ae20  RSP: ffffbf08c222f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9a968ef321c8  RCX: 0000000000000001
    RDX: ffff9a9789ebea00  RSI: 00000000b0000202  RDI: ffff9a9686581900
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9a9797d13900  R11: ffff9a9789710480  R12: ffff9a9785100000
    R13: ffff9a9785d60000  R14: ffff9a9785100000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffbf08c222f9d0] osd_bufs_put at ffffffffc1f10d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffbf08c222fa18] ofd_release_chunk_lnb at ffffffffc23c3db2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffbf08c222fa40] ofd_commitrw_write at ffffffffc23b0708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffbf08c222fae0] ofd_commitrw at ffffffffc23b7ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffbf08c222fbb8] tgt_brw_write at ffffffffc175851c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffbf08c222fd78] tgt_handle_request0 at ffffffffc1750cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffbf08c222fda8] tgt_request_handle at ffffffffc1752965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffbf08c222fe28] ptlrpc_server_handle_request at ffffffffc164a9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffbf08c222fe90] ptlrpc_main at ffffffffc164dbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffbf08c222ff10] kthread at ffffffffa2d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffbf08c222ff50] ret_from_fork at ffffffffa3c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330