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DescriptionJoachim Frieben
2021-09-11 00:57:43 UTC
Description of problem:
For current EL 8.4, Intel TXT based verified boot hangs after dumping the register map.
Version-Release number of selected component (if applicable):
1.9.12
How reproducible:
Always.
Steps to Reproduce:
1. Install EL 8.4 including tboot 1.9.12.
2. Update boot loader configuration.
3. Power off the system.
4. Power on the system and boot.
Actual results:
System hangs after dumping the register map.
Expected results:
System boots successfully.
Additional info:
- The system behaves as expected as soon as package tboot is downgraded to version 1.9.10 from EL 8.3 or upgraded to version 1.10.x provided by Tony Camuso at https://people.redhat.com/tcamuso/tboot/el8.
- This bug got actually fixed in CentOS 8 Stream, see bug 1873296.