For almost two years, or since Ubuntu 12.04 was released, there has been a steady stream of posts about PAE and related problems.
12.04 was the first Ubuntu for which a special non-PAE version wasn't available. X/Lubuntu carried on supporting non-PAE processors for one release more, making 12.10 their first PAE-only release.
Several workarounds have been published which enabled the affected hardware (the Banias part of the Pentium M family) to run the latest Buntus.
From 14.04 the boot option
forcepae has been added, which eliminates the need for these workarounds. More
here.
I suggest that when people encounter a PAE related question they spread the word and point to Lubuntu 14.04 and the boot option, provided that the person asking is willing to run a beta version, of course.
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