On 29 November 2013 16:22, Andy Whitcroft <a...@canonical.com> wrote:
> For clarity the error referred to in this bug is emitted by the kernel
> from its 16bit entry point.  The same check is not made when booted via
> its 32bit entry point.  This is arguably a bug, the kernel should check
> and refuse to run when required features are not present.  In this case
> the main issue is that some PAE capable CPUs do not correctly list this
> in their CPUID capability bits.  The logical fix is to fake the PAE bit
> for those cpus, through a whitelist.
>

A whitelist of some CPUIDs is collected here:

https://help.ubuntu.com/community/Lubuntu-fake-PAE#Test

(first table).

There might be more.

Regards,

Dmitrijs.

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https://bugs.launchpad.net/bugs/930447

Title:
  Unable to start Ubuntu 12.04 live CD with syslinux loader on Pentium M
  x86 Laptop due to bug in PAE kernel, initramfs or syslinux

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