@toabctl I have just ran a two newly created instances doing reboots every two minutes for a week and was not able to reproduce the hang. Can you verify if you can still reproduce the hang?
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/2076217 Title: booting an 24.10 or 24.04 ec2 instance with SEV-SNP enabled hangs sometimes Status in cloud-images: New Status in linux-aws package in Ubuntu: In Progress Bug description: I'm trying to test an EC2 instance with SEV-SNP enabled. But the boot process hangs at: [snipped] [ 0.609079] printk: legacy console [ttyS0] enabled [ 5.405931] ACPI: Core revision 20230628 [ 5.430448] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 30580167144 ns [ 5.473066] APIC: Switch to symmetric I/O mode setup Steps to reproduce are: $ AWS_DEFAULT_REGION=eu-west-1 aws ec2 run-instances --image-id ami-005a44922e2ffd1fa --instance-type m6a.large --cpu-options AmdSevSnp=enabled --key-name toabctl --tag-specifications 'ResourceType=instance,Tags=[{Key=Name,Value=toabctl-2410-sevsnp- testing}]' The AMI ami-005a44922e2ffd1fa is ubuntu/images-testing/hvm-ssd- gp3/ubuntu-oracular-daily-amd64-server-20240716 and does contain 6.8.0-1008-aws . Attached is the full output from the EC2 serial console. To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-images/+bug/2076217/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp