** Description changed: + SRU Justification + + [Impact] + Memory hot-plugging is not working with public cloud-images. Error with dmesg shows: [ 184.544535] acpi PNP0C80:00: Enumeration failure checking kernel configuration: root@ubuntu:/boot# uname -r 5.4.0-1038-kvm root@ubuntu:/boot# grep CONFIG_ACPI_HOTPLUG_MEMORY config-5.4.0-1038-kvm # CONFIG_ACPI_HOTPLUG_MEMORY is not set Obviously the necessary kernel configuration for ACPI memory hotplug is missing. root@ubuntu:~# cat /etc/cloud/build.info build_name: server serial: 20210415 - --- + --- ProblemType: Bug AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access '/dev/snd/': No such file or directory AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.11-0ubuntu27.16 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' CRDA: N/A CasperMD5CheckResult: skip DistroRelease: Ubuntu 20.04 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Error: command ['lsusb'] failed with exit code 1: Lsusb-t: Error: command ['lsusb', '-t'] failed with exit code 1: /sys/bus/usb/devices: No such file or directory Lsusb-v: Error: command ['lsusb', '-v'] failed with exit code 1: MachineType: QEMU Standard PC (i440FX + PIIX, 1996) Package: linux (not installed) PciMultimedia: - + ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - XDG_RUNTIME_DIR=<set> - LANG=C.UTF-8 - SHELL=/bin/bash + TERM=xterm-256color + PATH=(custom, no user) + XDG_RUNTIME_DIR=<set> + LANG=C.UTF-8 + SHELL=/bin/bash ProcFB: - + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-1038-kvm root=PARTUUID=a204284f-e3de-498d-a306-c4e7f6b62831 ro console=tty1 console=ttyS0 panic=-1 ProcVersionSignature: Ubuntu 5.4.0-1038.39-kvm 5.4.101 RelatedPackageVersions: - linux-restricted-modules-5.4.0-1038-kvm N/A - linux-backports-modules-5.4.0-1038-kvm N/A - linux-firmware N/A + linux-restricted-modules-5.4.0-1038-kvm N/A + linux-backports-modules-5.4.0-1038-kvm N/A + linux-firmware N/A RfKill: Error: [Errno 2] No such file or directory: 'rfkill' Tags: focal uec-images Uname: Linux 5.4.0-1038-kvm x86_64 UnreportableReason: This report is about a package that is not installed. UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: N/A _MarkForUpload: False dmi.bios.date: 04/01/2014 dmi.bios.vendor: SeaBIOS dmi.bios.version: 1.12.0-1 dmi.chassis.type: 1 dmi.chassis.vendor: QEMU dmi.chassis.version: pc-i440fx-2.7 dmi.modalias: dmi:bvnSeaBIOS:bvr1.12.0-1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-2.7:cvnQEMU:ct1:cvrpc-i440fx-2.7: dmi.product.name: Standard PC (i440FX + PIIX, 1996) dmi.product.version: pc-i440fx-2.7 dmi.sys.vendor: QEMU + + [Test Plan] + + Boot a kernel with CONFIG_ACPI_HOTPLUG_MEMORY enabled. Check that + requested memory has been added. + + [Where problems could occur] + + Adding memory could fail, or cause other configurations issues. + Regressions seem unlikely since this config option is enabled in all + cloud kernels except linux-azure.
-- 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
