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FP_EMULATION_ERROR
Floating-point emulation failure for FP_EMULATION_ERROR
FP_EMULATION_ERROR is bug check code 0x000000A6.
This historical bug check is tied to processor floating-point emulation state. It is most relevant for old hardware, emulation, or compatibility paths where floating-point instructions are trapped and emulated.
How to read it in a dump
- Check CPU, virtualization, and emulation context before assuming application math caused it.
- The trap frame and processor features decide whether this was real hardware, VM emulation, or old compatibility code.
- Modern systems should rarely take this path.
What to check
- Check hypervisor and CPU feature exposure in VMs.
- Look for old drivers or software using unusual floating-point state in kernel mode.
- Collect CPU feature, firmware, and VM configuration details.
References
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