I think this one could be due to the newer u-boot - 2020.10+dfsg-1 It's coming into focal dailies because proposed is enabled there, but I also tried to boot an rpi400 with bionic on an older uboot, then enable proposed and *only* update u-boot. After updating, I get this boot loop there too.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1906552 Title: "Synchronous Abort" handler and reboot loop on rpi To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/u-boot/+bug/1906552/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs