Ubuntu TB Decides On Future Of Non-PAE Kernel
The Ubuntu Technical Board met yesterday and they decided on the future of non-PAE Linux kernels within Ubuntu, a decision that affects 32-bit users on older hardware.
Back during the Ubuntu 12.04 LTS Developer Summit in Orlando, the developers decided they wanted to drop non-PAE kernel support. For 32-bit Linux the PAE kernel allows addressing more than 4GB of system memory, while the kernel without support for PAE isn't. Most hardware that's only 32-bit capable (if your hardware is x86_64 compatible you should be using the 64-bit build by now, really) does have support for Physical Address Extensions, so Ubuntu developer wants to get rid of this extra non-PAE kernel.
Well, many were concerned by Ubuntu dropping non-PAE kernel support. There's still some Intel Pentium M CPUs that were made in the past decade that lacked PAE support, among other reasons people still wanted to see non-PAE kernel support in this next Ubuntu Long Term Support release.
The Ubuntu Technical Board weighed the pros and cons of non-PAE support and came to a decision. The board has decided they will support the non-PAE kernel option until the Ubuntu 12.10 release, so there will still be support in Ubuntu 12.04 LTS. The default i386 kernel in Ubuntu 12.04 LTS will become the PAE-enabled kernel, but the non-PAE flavor will be available.
Below are the details in full from the non-PAE discussion.
Non-PAE kernel disposition
Now see i686 vs. i686 PAE vs. x86_64 Linux benchmarks from April.
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