Tested using Noble, going from the 6.14 to the 6.17 kernel, as the questing images are currently not bootable due to this same issue, on an m6a.large instance:
ubuntu@ip-172-31-5-150:~$ uname -a Linux ip-172-31-5-150 6.17.0-1007-aws #7~24.04.1-Ubuntu SMP Thu Jan 22 21:04:49 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ubuntu@ip-172-31-5-150:~$ sudo dmesg | grep -i snp | head -2 [ 5.635871] Memory Encryption Features active: AMD SEV SEV-ES SEV-SNP [ 5.636737] SEV: Status: SEV SEV-ES SEV-SNP An m6a.large instance with SEV-SNP disabled also boots successfully with the 6.17.0-1007-aws kernel. ** Tags removed: verification-needed-questing-linux-aws ** Tags added: verification-done-questing-linux-aws -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2137714 Title: SEV-SNP instances on AWS fail to boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-aws/+bug/2137714/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
