TPM_CRB: Probe failed with error -62 on Ubuntu 2204
Issue
Users attempting to boot Ubuntu 2204 into default mode are encountering an error that prevents the system from running normally.
Details
Upon executing the command "dmesg grep tpm_crb," the following results are displayed: ``` Probe of MSFT010100 failed with error -62 ``` This indicates an issue with the Trusted Platform Module (TPM) Cryptographic Random Bit Generator (CRB).
Cause
The issue is related to the Advanced Configuration and Power Interface (ACPI) region not covering the entire command-response buffer.
Comments