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ERRATA_WORKAROUND_UNSUCCESSFUL
Processor errata workaround failure for ERRATA_WORKAROUND_UNSUCCESSFUL
ERRATA_WORKAROUND_UNSUCCESSFUL is bug check code 0x0000013E.
This bug check indicates that the OS attempted a hardware or firmware workaround and could not complete it safely. It is tied to CPU/platform errata handling, microcode, firmware, or virtualization exposure of processor features.
How to read it in a dump
- CPU model, microcode, firmware version, and hypervisor feature exposure are central.
- A driver stack may not identify the root cause if the failure happens in processor initialization.
- The issue may appear after firmware, OS, or hypervisor updates.
What to check
- Update firmware/BIOS, chipset drivers, and microcode through vendor-supported channels.
- Check virtualization settings and CPU feature masking.
- Compare behavior across cold boot, warm restart, and VM host versions.
References
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