I can confirm this bug on the exact same version. Ubuntu 12.04 LTS 32bit won't boot on processors not capable of PAE with the said error message.
The laptop is a IBM Thinkpad T42, using a Intel Pentium M-processor. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993939 Title: 12.04 Desktrop fails to load kernel; CPU has no PAE feature To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/casper/+bug/993939/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs