I think it is likely that this issue is the same reported to QEMU upstream: https://gitlab.com/qemu-project/qemu/-/work_items/3521
To remove remaining doubt: - you can see if there is such error messages in the HOST dmesg: iommu: unaligned: iova 0xecdee200 pa 0x00000001ce800000 size 0x12000 min_pagesz 0x1000 iommu: unaligned: iova 0xf4cae200 pa 0x00000001ce800000 size 0x12000 min_pagesz 0x1000 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2169551 Title: VMs on ephemeral fails to boot [arm64, amd64] To manage notifications about this bug go to: https://bugs.launchpad.net/charm-nova-compute/+bug/2169551/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
