Verified on 5.4.0-1104 fips kernel on AMD EPYC 7262 machine and confirmed it fixes the issue. With 5.4.0-1104 fips kernel, it can boot successfully:
ubuntu@focal:~$ sudo dmesg | grep DRBG [ 4.121726] random: random: DRBG (drbg_nopr_ctr_aes256) initialized! ubuntu@focal:~$ uname -a Linux focal 5.4.0-1104-fips #114-Ubuntu SMP Mon Jul 22 20:48:23 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux ubuntu@focal:~$ ** Tags removed: verification-needed-focal-linux-fips ** Tags added: verification-done-focal-linux-fips -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2069715 Title: DRBG initialization failed on some AMD EPYC series CPU and lead to kernel panic (Focal FIPS) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2069715/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
