PID: 6701   TASK: ffff97501039cf80  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffffadb442f6b688] machine_kexec at ffffffffb8a850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffadb442f6b6e0] __crash_kexec at ffffffffb8c3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffadb442f6b7a0] crash_kexec at ffffffffb8c3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffadb442f6b7b8] oops_end at ffffffffb8a37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffadb442f6b7d8] no_context.cold.27 at ffffffffb8aa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffadb442f6b830] __bad_area_nosemaphore at ffffffffb8aa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffadb442f6b878] bad_area_nosemaphore at ffffffffb8aa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffadb442f6b880] do_user_addr_fault at ffffffffb8aa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffadb442f6b8d0] __do_page_fault at ffffffffb8aa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffadb442f6b8f0] do_page_fault at ffffffffb8aa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffadb442f6b920] page_fault at ffffffffb9a00f8e
    /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: ffffffffc07c2e20  RSP: ffffadb442f6b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff975003f4c558  RCX: 0000000000000001
    RDX: ffff97503b7d2000  RSI: 00000000b0000202  RDI: ffff975004e935e0
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff97502d881240  R11: ffff97500778fd90  R12: ffff974f02830000
    R13: ffff97503af20000  R14: ffff974f02830000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffadb442f6b9d0] osd_bufs_put at ffffffffc1eb5d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffadb442f6ba18] ofd_release_chunk_lnb at ffffffffc2368ca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffadb442f6ba40] ofd_commitrw_write at ffffffffc2355708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffadb442f6bae0] ofd_commitrw at ffffffffc235cca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffadb442f6bbb8] tgt_brw_write at ffffffffc16c851c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffadb442f6bd78] tgt_handle_request0 at ffffffffc16c0cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffadb442f6bda8] tgt_request_handle at ffffffffc16c2965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffadb442f6be28] ptlrpc_server_handle_request at ffffffffc15ba9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffadb442f6be90] ptlrpc_main at ffffffffc15bdbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffadb442f6bf10] kthread at ffffffffb8b57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffadb442f6bf50] ret_from_fork at ffffffffb9a001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330