Ubuntu MATE 20200930 beta is surprisingly no more affected by this bug. Tested on QuickEMU legacy and EFI; and also on VirtualBox - both legacy and EFI.
@Bill (franksmcb), can you please confirm? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1897173 Title: 20.10 Installer crashes with partitions being written but unable to inform kernel of the change To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/parted/+bug/1897173/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs