DELL/EMC + UEFI: System refuses to boot when TPM 1.2 is activated with option "On without Pre-Boot Measurements", printing "Something has gone seriously wrong: import_mok_state() failed: Unsupported" message
Issue
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On DELL/EMC system configured to boot in UEFI mode, after enabling TPM 1.2 in the UEFI firmware with option On without Pre-Boot Measurements, the system doesn't pass Shim state and stops after printing the following messages on the console
Could not create MokListRT: Unsupported Could not create MokListXRT: Unsupported Could not create SbatLevelRT: Unsupported Something has gone seriously wrong: import_mok_state() failed: Unsupported
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When changing the option to On with Pre-Boot Measurements the system boots fine
Environment
- Red Hat Enterprise Linux 6 and later (RHEL)
- UEFI (shim-x64)
- DELL/EMC systems with TPM 1.2 devices
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