CONVA-74054：由于vbn处于未初始化状态、反复出现panic
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问题描述
VA 0x18 cs：rip 0x20：0xffffff8f8d2023 rflags 0x10206 in SK processwafl_expreservedt01 on Release 9.5P15 (C)上的页面错误(主管读取数据、页面不存在)