ubuntu@s1lp13:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 19.04 Release: 19.04 Codename: disco ubuntu@s1lp13:~$ uname -a Linux s1lp13 5.0.0-32-generic #34-Ubuntu SMP Wed Oct 2 02:06:00 UTC 2019 s390x s390x s390x GNU/Linux ubuntu@s1lp13:~$ apt-cache policy linux-generic linux-generic: Installed: 5.0.0.32.33 Candidate: 5.0.0.32.33 Version table: *** 5.0.0.32.33 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco-updates/main s390x Packages 500 http://ports.ubuntu.com/ubuntu-ports disco-security/main s390x Packages 100 /var/lib/dpkg/status 5.0.0.13.14 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco/main s390x Packages ubuntu@s1lp13:~$ grep -R --exclude=*{.save,.*~} "^[^#].*-proposed" /etc/apt/sources.list* ubuntu@s1lp13:~$ sudo apt -y -q install software-properties-common Reading package lists... ... ubuntu@s1lp13:~$ sudo add-apt-repository "deb http://us.ports.ubuntu.com/ubuntu-ports/ $(lsb_release -sc)-proposed restricted main universe" Hit:1 http://ports.ubuntu.com/ubuntu-ports disco-security InRelease Hit:2 http://us.ports.ubuntu.com/ubuntu-ports disco InRelease Hit:3 http://us.ports.ubuntu.com/ubuntu-ports disco-updates InRelease Get:4 http://ports.ubuntu.com/ubuntu-ports disco-security/main s390x c-n-f Metadata [4,968 B] Hit:5 http://us.ports.ubuntu.com/ubuntu-ports disco-backports InRelease Get:6 http://ports.ubuntu.com/ubuntu-ports disco-security/restricted s390x c-n-f Metadata [116 B] Get:7 http://ports.ubuntu.com/ubuntu-ports disco-security/universe s390x c-n-f Metadata [4,404 B] Get:8 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed InRelease [255 kB] Get:9 http://ports.ubuntu.com/ubuntu-ports disco-security/multiverse s390x c-n-f Metadata [116 B] Get:10 http://us.ports.ubuntu.com/ubuntu-ports disco/main s390x c-n-f Metadata [28.5 kB] Get:11 http://us.ports.ubuntu.com/ubuntu-ports disco/restricted s390x c-n-f Metadata [108 B] Get:12 http://us.ports.ubuntu.com/ubuntu-ports disco/universe s390x c-n-f Metadata [258 kB] Get:13 http://us.ports.ubuntu.com/ubuntu-ports disco/multiverse s390x c-n-f Metadata [7,944 B] Get:14 http://us.ports.ubuntu.com/ubuntu-ports disco-updates/main s390x c-n-f Metadata [8,220 B] Get:15 http://us.ports.ubuntu.com/ubuntu-ports disco-updates/restricted s390x c-n-f Metadata [116 B] Get:16 http://us.ports.ubuntu.com/ubuntu-ports disco-updates/universe s390x c-n-f Metadata [5,788 B] Get:17 http://us.ports.ubuntu.com/ubuntu-ports disco-updates/multiverse s390x c-n-f Metadata [116 B] Get:18 http://us.ports.ubuntu.com/ubuntu-ports disco-backports/main s390x c-n-f Metadata [528 B] Get:19 http://us.ports.ubuntu.com/ubuntu-ports disco-backports/restricted s390x c-n-f Metadata [116 B] Get:20 http://us.ports.ubuntu.com/ubuntu-ports disco-backports/universe s390x c-n-f Metadata [192 B] Get:21 http://us.ports.ubuntu.com/ubuntu-ports disco-backports/multiverse s390x c-n-f Metadata [116 B] Get:22 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/restricted Translation-en [624 B] Get:23 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/restricted s390x c-n-f Metadata [116 B] Get:24 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/main s390x Packages [21.1 kB] Get:25 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/main Translation-en [15.4 kB] Get:26 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/main s390x c-n-f Metadata [1,312 B] Get:27 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/universe s390x Packages [10.9 kB] Get:28 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/universe Translation-en [5,252 B] Get:29 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/universe s390x c-n-f Metadata [704 B] Fetched 630 kB in 4s (150 kB/s) Reading package lists... Done ubuntu@s1lp13:~$ grep -R --exclude=*{.save,.*~} "^[^#].*-proposed" /etc/apt/sources.list* /etc/apt/sources.list:deb http://us.ports.ubuntu.com/ubuntu-ports/ disco-proposed restricted main universe ubuntu@s1lp13:~$ apt-cache policy linux-genericlinux-generic N: Unable to locate package linux-genericlinux-generic ubuntu@s1lp13:~$ apt-cache policy linux-generic linux-generic: Installed: 5.0.0.32.33 Candidate: 5.0.0.33.34 Version table: 5.0.0.33.34 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/main s390x Packages *** 5.0.0.32.33 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco-updates/main s390x Packages 500 http://ports.ubuntu.com/ubuntu-ports disco-security/main s390x Packages 100 /var/lib/dpkg/status 5.0.0.13.14 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco/main s390x Packages ubuntu@s1lp13:~$ free -h total used free shared buff/cache available Mem: 41Gi 376Mi 40Gi 0.0Ki 199Mi 40Gi Swap: 5.6Gi 0B 5.6Gi ubuntu@s1lp13:~$ uname -a Linux s1lp13 5.0.0-32-generic #34-Ubuntu SMP Wed Oct 2 02:06:00 UTC 2019 s390x s390x s390x GNU/Linux ubuntu@s1lp13:~$ apt-cache policy linux-generic linux-generic: Installed: 5.0.0.32.33 Candidate: 5.0.0.33.34 Version table: 5.0.0.33.34 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/main s390x Packages *** 5.0.0.32.33 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco-updates/main s390x Packages 500 http://ports.ubuntu.com/ubuntu-ports disco-security/main s390x Packages 100 /var/lib/dpkg/status 5.0.0.13.14 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco/main s390x Packages ubuntu@s1lp13:~$ sudo apt install linux-generic=5.0.0.33.34 ... Done. ubuntu@s1lp13:~$ sudo shutdown -r now Connection to s1lp13 closed by remote host. Connection to s1lp13 closed. user@workstation:~$ ssh ubuntu@s1lp13 Welcome to Ubuntu 19.04 (GNU/Linux 5.0.0-33-generic s390x) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage New release '19.10' available. Run 'do-release-upgrade' to upgrade to it. Last login: Wed Oct 23 07:21:37 2019 from 10.172.194.67 ubuntu@s1lp13:~$ ubuntu@s1lp13:~$ uname -a Linux s1lp13 5.0.0-33-generic #35-Ubuntu SMP Tue Oct 22 01:46:49 UTC 2019 s390x s390x s390x GNU/Linux ubuntu@s1lp13:~$ apt-cache policy linux-generic linux-generic: Installed: 5.0.0.33.34 Candidate: 5.0.0.33.34 Version table: *** 5.0.0.33.34 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco-proposed/main s390x Packages 100 /var/lib/dpkg/status 5.0.0.32.33 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco-updates/main s390x Packages 500 http://ports.ubuntu.com/ubuntu-ports disco-security/main s390x Packages 5.0.0.13.14 500 500 http://us.ports.ubuntu.com/ubuntu-ports disco/main s390x Packages ubuntu@s1lp13:~$ free -h total used free shared buff/cache available Mem: 31Gi 481Mi 30Gi 0.0Ki 167Mi 30Gi Swap: 5.6Gi 0B 5.6Gi ubuntu@s1lp13:~$ ubuntu@s1lp13:~$ cd /boot/ ubuntu@s1lp13:/boot$ ls bootmap lost+found config-5.0.0-32-generic System.map-5.0.0-32-generic config-5.0.0-33-generic System.map-5.0.0-33-generic initrd.img vmlinuz initrd.img-5.0.0-32-generic vmlinuz-5.0.0-32-generic initrd.img-5.0.0-33-generic vmlinuz-5.0.0-33-generic initrd.img.old vmlinuz.old ubuntu@s1lp13:/boot$ grep CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE config-5.0.0-32-generic CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y ubuntu@s1lp13:/boot$ grep CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE config-5.0.0-33-generic # CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE is not set ubuntu@s1lp13:/boot$