After some more testing, I found that there was some cruft in my persistent live system. I wiped the casper-rw partitions's upper directory except the home subdirectory, and things started to work again in Lubuntu daily :-)
The cruft must be leftover from previous daily editions of Xenial. Sorry for spamming Launchpad with this bug report. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1530391 Title: Tried to install into a GUID partition table, but failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1530391/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
