The data address that caused the page fault problem was 0x00 (dar 0000000000000000).
引起页面错误的数据地址为0x00 (dar 0000000000000000)。
Important registers to look for when debugging through signals are the GPRs, instruction pointer (NIP), machine state register (MSR), trap, data address register (DAR), and so on.
在调试信号时，需要查看的一些重要寄存器包括GPR、指令指针(NIP)、机器状态寄存器(MSR)、Trap、数据地址寄存器(DAR)等等。
The dar (Data address Register) contains the address that the processor tried to access, which then caused a page fault.
dar(数据地址寄存器)包含处理器尝试访问的地址，这一行为将引发页面错误。
The dar (Data address Register) contains the address that the processor tried to access, which then caused a page fault.
dar(数据地址寄存器)包含处理器尝试访问的地址，这一行为将引发页面错误。
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