HV 位以及问题状态位 (Problem State Bit) 可以指出，处理器是否处于 Hypervisor 模式。

The HV bit along with the Problem State bit indicate if the processor is in hypervisor mode.

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如果在MSR中设置了pr位(问题状态)，那么CPU在用户模式下运行，并且不可能引起系统崩溃。

If the PR bit in MSR is set (Problem State), then the CPU was running in user mode, and is unlikely to be the cause of the crash.

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凯恩斯勋爵尽管不能算一位数学家，他写道，务实的人对信心状态这一问题的关注最密切，也最焦虑。

Lord Keynes, though a lesser mathematician, wrote that the state of confidence "is a matter to which practical men pay the closest and most anxious attention."

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