Olaf - please install this test kernel (https://kernel.ubuntu.com/~rtg /kvm-CONFIG_ACPI_HOTPLUG_MEMORY-LP1925008) and report your results.
wget https://kernel.ubuntu.com/~rtg/kvm-CONFIG_ACPI_HOTPLUG_MEMORY-LP1925008/amd64/linux-image-unsigned-5.4.0-1040-kvm_5.4.0-1040.41~LP1925008.1_amd64.deb wget https://kernel.ubuntu.com/~rtg/kvm-CONFIG_ACPI_HOTPLUG_MEMORY-LP1925008/amd64/linux-modules-5.4.0-1040-kvm_5.4.0-1040.41~LP1925008.1_amd64.deb sudo dpkg -i *.deb -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1925008 Title: no memory hot-plugging in cloud-images To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-images/+bug/1925008/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs