I have verified this fix using ubuntu-release-upgrader 1:23.10.14 from mantic-proposed: (1) On a BIOS system with XFS /boot partition: ubuntu@ubuntu:~$ mount | grep /boot /dev/sda1 on /boot type xfs (rw,relatime,attr2,inode64,logbufs=8,logbsize=32k,noquota) ubuntu@ubuntu:~$ ls /sys/firmware/ acpi dmi memmap qemu_fw_cfg ubuntu@ubuntu:~$ do-release-upgrade --proposed Checking for a new Ubuntu release = Welcome to Ubuntu 23.10 'Mantic Minotaur' = The Ubuntu team is proud to announce Ubuntu 23.10 'Mantic Minotaur'. To see what's new in this release, visit: https://wiki.ubuntu.com/ManticMinotaur/ReleaseNotes Ubuntu is a Linux distribution for your desktop or server, with a fast and easy install, regular releases, a tight selection of excellent applications installed by default, and almost any other software you can imagine available through the network. We hope you enjoy Ubuntu. == Feedback and Helping == If you would like to help shape Ubuntu, take a look at the list of ways you can participate at http://www.ubuntu.com/community/participate/ Your comments, bug reports, patches and suggestions will help ensure that our next release is the best release of Ubuntu ever. If you feel that you have found a bug please read: http://help.ubuntu.com/community/ReportingBugs Then report bugs using apport in Ubuntu. For example: ubuntu-bug linux will open a bug report in Launchpad regarding the linux package. If you have a question, or if you think you may have found a bug but aren't sure, first try asking on the #ubuntu or #ubuntu-bugs IRC channels on Libera.Chat, on the Ubuntu Users mailing list, or on the Ubuntu forums: http://help.ubuntu.com/community/InternetRelayChat http://lists.ubuntu.com/mailman/listinfo/ubuntu-users http://www.ubuntuforums.org/ == More Information == You can find out more about Ubuntu on our website, IRC channel and wiki. If you're new to Ubuntu, please visit: http://www.ubuntu.com/ To sign up for future Ubuntu announcements, please subscribe to Ubuntu's very low volume announcement list at: http://lists.ubuntu.com/mailman/listinfo/ubuntu-announce Continue [yN] y Get:1 Upgrade tool signature [833 B] Get:2 Upgrade tool [1,267 kB] Fetched 1,268 kB in 0s (0 B/s) authenticate 'mantic.tar.gz' against 'mantic.tar.gz.gpg' extracting 'mantic.tar.gz' Reading cache Checking package manager Reading package lists... Done Building dependency tree... Done Reading state information... Done Hit http://us.archive.ubuntu.com/ubuntu lunar InRelease Hit http://us.archive.ubuntu.com/ubuntu lunar-updates InRelease Hit http://us.archive.ubuntu.com/ubuntu lunar-backports InRelease Hit http://us.archive.ubuntu.com/ubuntu lunar-security InRelease Fetched 0 B in 0s (0 B/s) Reading package lists... Done Building dependency tree... Done Reading state information... Done Cannot upgrade this system Due to a bug in grub, this system cannot be safely upgraded at this time. See https://launchpad.net/bugs/2039172. Restoring original system state Aborting Reading package lists... Done Building dependency tree... Done Reading state information... Done (2) On a BIOS system without XFS /boot or /: nr@clean-lunar-amd64:~$ ls /sys/firmware/ acpi dmi memmap qemu_fw_cfg nr@clean-lunar-amd64:~$ mount | grep /boot /dev/vda2 on /boot/efi type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro) nr@clean-lunar-amd64:~$ mount | grep " / " /dev/vda3 on / type ext4 (rw,relatime,errors=remount-ro) nr@clean-lunar-amd64:~$ do-release-upgrade --proposed Checking for a new Ubuntu release = Welcome to Ubuntu 23.10 'Mantic Minotaur' = The Ubuntu team is proud to announce Ubuntu 23.10 'Mantic Minotaur'. To see what's new in this release, visit: https://wiki.ubuntu.com/ManticMinotaur/ReleaseNotes Ubuntu is a Linux distribution for your desktop or server, with a fast and easy install, regular releases, a tight selection of excellent applications installed by default, and almost any other software you can imagine available through the network. We hope you enjoy Ubuntu. == Feedback and Helping == If you would like to help shape Ubuntu, take a look at the list of ways you can participate at http://www.ubuntu.com/community/participate/ Your comments, bug reports, patches and suggestions will help ensure that our next release is the best release of Ubuntu ever. If you feel that you have found a bug please read: http://help.ubuntu.com/community/ReportingBugs Then report bugs using apport in Ubuntu. For example: ubuntu-bug linux will open a bug report in Launchpad regarding the linux package. If you have a question, or if you think you may have found a bug but aren't sure, first try asking on the #ubuntu or #ubuntu-bugs IRC channels on Libera.Chat, on the Ubuntu Users mailing list, or on the Ubuntu forums: http://help.ubuntu.com/community/InternetRelayChat http://lists.ubuntu.com/mailman/listinfo/ubuntu-users http://www.ubuntuforums.org/ == More Information == You can find out more about Ubuntu on our website, IRC channel and wiki. If you're new to Ubuntu, please visit: http://www.ubuntu.com/ To sign up for future Ubuntu announcements, please subscribe to Ubuntu's very low volume announcement list at: http://lists.ubuntu.com/mailman/listinfo/ubuntu-announce Continue [yN] y Get:1 Upgrade tool signature [833 B] Get:2 Upgrade tool [1,267 kB] Fetched 1,268 kB in 0s (0 B/s) authenticate 'mantic.tar.gz' against 'mantic.tar.gz.gpg' extracting 'mantic.tar.gz' [sudo] password for nr: Reading cache Checking package manager Reading package lists... Done Building dependency tree... Done Reading state information... Done Hit http://archive.ubuntu.com/ubuntu lunar InRelease Get:1 http://security.ubuntu.com/ubuntu lunar-security InRelease [109 kB] Get:2 http://archive.ubuntu.com/ubuntu lunar-updates InRelease [109 kB] Get:3 http://archive.ubuntu.com/ubuntu lunar-updates/restricted Sources [17.5 kB] Get:4 http://security.ubuntu.com/ubuntu lunar-security/main Sources [111 kB] Get:5 http://archive.ubuntu.com/ubuntu lunar-updates/main Sources [161 kB] Get:6 http://security.ubuntu.com/ubuntu lunar-security/universe Sources [62.8 kB] Get:7 http://security.ubuntu.com/ubuntu lunar-security/restricted Sources [17.5 kB] Get:8 http://archive.ubuntu.com/ubuntu lunar-updates/multiverse Sources [10.4 kB] Get:9 http://security.ubuntu.com/ubuntu lunar-security/multiverse Sources [9,668 B] Get:10 http://security.ubuntu.com/ubuntu lunar-security/main amd64 Packages [406 kB] Get:11 http://archive.ubuntu.com/ubuntu lunar-updates/universe Sources [83.5 kB] Get:12 http://archive.ubuntu.com/ubuntu lunar-updates/main i386 Packages [260 kB] Get:13 http://archive.ubuntu.com/ubuntu lunar-updates/main amd64 Packages [511 kB] Get:14 http://security.ubuntu.com/ubuntu lunar-security/main i386 Packages [187 kB] Get:15 http://archive.ubuntu.com/ubuntu lunar-updates/main Translation-en [120 kB] Get:16 http://security.ubuntu.com/ubuntu lunar-security/main Translation-en [90.3 kB] Get:17 http://security.ubuntu.com/ubuntu lunar-security/main amd64 DEP-11 Metadata [7,416 B] Get:18 http://security.ubuntu.com/ubuntu lunar-security/restricted i386 Packages [25.1 kB] Get:19 http://security.ubuntu.com/ubuntu lunar-security/restricted amd64 Packages [433 kB] Get:20 http://security.ubuntu.com/ubuntu lunar-security/restricted Translation-en [70.7 kB] Get:21 http://security.ubuntu.com/ubuntu lunar-security/universe i386 Packages [648 kB] Get:22 http://archive.ubuntu.com/ubuntu lunar-updates/main amd64 DEP-11 Metadata [81.1 kB] Get:23 http://archive.ubuntu.com/ubuntu lunar-updates/restricted i386 Packages [25.1 kB] Get:24 http://security.ubuntu.com/ubuntu lunar-security/universe amd64 Packages [732 kB] Get:25 http://archive.ubuntu.com/ubuntu lunar-updates/restricted amd64 Packages [433 kB] Get:26 http://security.ubuntu.com/ubuntu lunar-security/universe Translation-en [74.2 kB] Get:27 http://security.ubuntu.com/ubuntu lunar-security/universe amd64 DEP-11 Metadata [32.0 kB] Get:28 http://security.ubuntu.com/ubuntu lunar-security/multiverse amd64 Packages [6,292 B] Get:29 http://archive.ubuntu.com/ubuntu lunar-updates/restricted Translation-en [70.7 kB] Get:30 http://archive.ubuntu.com/ubuntu lunar-updates/universe amd64 Packages [819 kB] Get:31 http://archive.ubuntu.com/ubuntu lunar-updates/universe i386 Packages [678 kB] Get:32 http://archive.ubuntu.com/ubuntu lunar-updates/universe Translation-en [101 kB] Get:33 http://archive.ubuntu.com/ubuntu lunar-updates/universe amd64 DEP-11 Metadata [71.3 kB] Get:34 http://archive.ubuntu.com/ubuntu lunar-updates/multiverse amd64 Packages [6,292 B] Fetched 6,579 kB in 0s (0 B/s) Reading package lists... Done Building dependency tree... Done Reading state information... Done Checking for installed snaps Calculating snap size requirements Updating repository information Get:1 http://archive.ubuntu.com/ubuntu mantic InRelease [256 kB] Get:2 http://archive.ubuntu.com/ubuntu mantic-updates InRelease [109 kB] Get:3 http://archive.ubuntu.com/ubuntu mantic/restricted Sources [24.7 kB] Get:4 http://archive.ubuntu.com/ubuntu mantic/main Sources [1,390 kB] Get:5 http://archive.ubuntu.com/ubuntu mantic/multiverse Sources [300 kB] Get:6 http://archive.ubuntu.com/ubuntu mantic/universe Sources [19.3 MB] Get:7 http://archive.ubuntu.com/ubuntu mantic/main amd64 Packages [1,405 kB] Get:8 http://archive.ubuntu.com/ubuntu mantic/main i386 Packages [1,040 kB] Get:9 http://archive.ubuntu.com/ubuntu mantic/main Translation-en [517 kB] Get:10 http://archive.ubuntu.com/ubuntu mantic/main amd64 DEP-11 Metadata [465 kB] Get:11 http://archive.ubuntu.com/ubuntu mantic/main DEP-11 48x48 Icons [106 kB] Get:12 http://archive.ubuntu.com/ubuntu mantic/main DEP-11 64x64 Icons [156 kB] Get:13 http://archive.ubuntu.com/ubuntu mantic/main DEP-11 64x64@2 Icons [21.1 kB] Get:14 http://archive.ubuntu.com/ubuntu mantic/restricted i386 Packages [32.3 kB] Get:15 http://archive.ubuntu.com/ubuntu mantic/restricted amd64 Packages [144 kB] Get:16 http://archive.ubuntu.com/ubuntu mantic/restricted Translation-en [22.6 kB] Get:17 http://archive.ubuntu.com/ubuntu mantic/universe amd64 Packages [15.2 MB] Get:18 http://archive.ubuntu.com/ubuntu mantic/universe i386 Packages [8,339 kB] Get:19 http://archive.ubuntu.com/ubuntu mantic/universe Translation-en [5,951 kB] Get:20 http://archive.ubuntu.com/ubuntu mantic/universe amd64 DEP-11 Metadata [3,793 kB] Get:21 http://archive.ubuntu.com/ubuntu mantic/universe DEP-11 48x48 Icons [3,702 kB] Get:22 http://archive.ubuntu.com/ubuntu mantic/universe DEP-11 64x64 Icons [7,723 kB] Get:23 http://archive.ubuntu.com/ubuntu mantic/universe DEP-11 64x64@2 Icons [75.0 kB] Get:24 http://archive.ubuntu.com/ubuntu mantic/multiverse i386 Packages [116 kB] Get:25 http://archive.ubuntu.com/ubuntu mantic/multiverse amd64 Packages [239 kB] Get:26 http://archive.ubuntu.com/ubuntu mantic/multiverse Translation-en [113 kB] Get:27 http://archive.ubuntu.com/ubuntu mantic/multiverse amd64 DEP-11 Metadata [31.6 kB] Get:28 http://archive.ubuntu.com/ubuntu mantic/multiverse DEP-11 48x48 Icons [55.1 kB] Get:29 http://archive.ubuntu.com/ubuntu mantic/multiverse DEP-11 64x64 Icons [185 kB] Get:30 http://archive.ubuntu.com/ubuntu mantic/multiverse DEP-11 64x64@2 Icons [904 B] Get:31 http://archive.ubuntu.com/ubuntu mantic-updates/universe Sources [8,768 B] Get:32 http://archive.ubuntu.com/ubuntu mantic-updates/restricted Sources [15.1 kB] Get:33 http://archive.ubuntu.com/ubuntu mantic-updates/main Sources [35.4 kB] Get:34 http://archive.ubuntu.com/ubuntu mantic-updates/multiverse Sources [3,940 B] Get:35 http://archive.ubuntu.com/ubuntu mantic-updates/main i386 Packages [29.3 kB] Get:36 http://archive.ubuntu.com/ubuntu mantic-updates/main amd64 Packages [82.7 kB] Get:37 http://archive.ubuntu.com/ubuntu mantic-updates/main Translation-en [26.1 kB] Get:38 http://archive.ubuntu.com/ubuntu mantic-updates/main amd64 DEP-11 Metadata [7,240 B] Get:39 http://archive.ubuntu.com/ubuntu mantic-updates/main DEP-11 48x48 Icons [4,111 B] Get:40 http://archive.ubuntu.com/ubuntu mantic-updates/main DEP-11 64x64 Icons [8,578 B] Get:41 http://archive.ubuntu.com/ubuntu mantic-updates/main DEP-11 64x64@2 Icons [29 B] Get:42 http://archive.ubuntu.com/ubuntu mantic-updates/restricted i386 Packages [19.1 kB] Get:43 http://archive.ubuntu.com/ubuntu mantic-updates/restricted amd64 Packages [116 kB] Get:44 http://archive.ubuntu.com/ubuntu mantic-updates/restricted Translation-en [18.1 kB] Get:45 http://archive.ubuntu.com/ubuntu mantic-updates/universe i386 Packages [10.3 kB] Get:46 http://archive.ubuntu.com/ubuntu mantic-updates/universe amd64 Packages [27.8 kB] Get:47 http://archive.ubuntu.com/ubuntu mantic-updates/universe Translation-en [11.4 kB] Get:48 http://archive.ubuntu.com/ubuntu mantic-updates/universe amd64 DEP-11 Metadata [3,864 B] Get:49 http://archive.ubuntu.com/ubuntu mantic-updates/universe DEP-11 48x48 Icons [4,111 B] Get:50 http://archive.ubuntu.com/ubuntu mantic-updates/universe DEP-11 64x64 Icons [8,636 B] Get:51 http://archive.ubuntu.com/ubuntu mantic-updates/universe DEP-11 64x64@2 Icons [29 B] Get:52 http://archive.ubuntu.com/ubuntu mantic-updates/multiverse amd64 Packages [2,896 B] Get:53 http://archive.ubuntu.com/ubuntu mantic-updates/multiverse Translation-en [800 B] Get:54 http://security.ubuntu.com/ubuntu mantic-security InRelease [109 kB] Get:55 http://security.ubuntu.com/ubuntu mantic-security/universe Sources [8,132 B] Get:56 http://security.ubuntu.com/ubuntu mantic-security/multiverse Sources [3,940 B] Get:57 http://security.ubuntu.com/ubuntu mantic-security/main Sources [30.8 kB] Get:58 http://security.ubuntu.com/ubuntu mantic-security/restricted Sources [15.1 kB] Get:59 http://security.ubuntu.com/ubuntu mantic-security/main i386 Packages [26.4 kB] Get:60 http://security.ubuntu.com/ubuntu mantic-security/main amd64 Packages [77.5 kB] Get:61 http://security.ubuntu.com/ubuntu mantic-security/main Translation-en [24.3 kB] Get:62 http://security.ubuntu.com/ubuntu mantic-security/main amd64 DEP-11 Metadata [7,232 B] Get:63 http://security.ubuntu.com/ubuntu mantic-security/main DEP-11 48x48 Icons [4,111 B] Get:64 http://security.ubuntu.com/ubuntu mantic-security/main DEP-11 64x64 Icons [8,578 B] Get:65 http://security.ubuntu.com/ubuntu mantic-security/main DEP-11 64x64@2 Icons [29 B] Get:66 http://security.ubuntu.com/ubuntu mantic-security/restricted i386 Packages [19.1 kB] Get:67 http://security.ubuntu.com/ubuntu mantic-security/restricted amd64 Packages [116 kB] Get:68 http://security.ubuntu.com/ubuntu mantic-security/restricted Translation-en [18.1 kB] Get:69 http://security.ubuntu.com/ubuntu mantic-security/universe i386 Packages [8,260 B] Get:70 http://security.ubuntu.com/ubuntu mantic-security/universe amd64 Packages [24.3 kB] Get:71 http://security.ubuntu.com/ubuntu mantic-security/universe Translation-en [10.3 kB] Get:72 http://security.ubuntu.com/ubuntu mantic-security/universe amd64 DEP-11 Metadata [3,860 B] Get:73 http://security.ubuntu.com/ubuntu mantic-security/universe DEP-11 48x48 Icons [4,111 B] Get:74 http://security.ubuntu.com/ubuntu mantic-security/universe DEP-11 64x64 Icons [8,636 B] Get:75 http://security.ubuntu.com/ubuntu mantic-security/universe DEP-11 64x64@2 Icons [29 B] Get:76 http://security.ubuntu.com/ubuntu mantic-security/multiverse amd64 Packages [2,896 B] Get:77 http://security.ubuntu.com/ubuntu mantic-security/multiverse Translation-en [800 B] Fetched 71.7 MB in 6s (11.7 MB/s) Checking package manager Reading package lists... Done Building dependency tree... Done Reading state information... Done Calculating the changes Calculating the changes Do you want to start the upgrade? 1 installed package is no longer supported by Canonical. You can still get support from the community. 4 packages are going to be removed. 67 new packages are going to be installed. 964 packages are going to be upgraded. You have to download a total of 1,557 M. This download will take about 2 minutes with your connection. Installing the upgrade can take several hours. Once the download has finished, the process cannot be canceled. Continue [yN] Details [d]