Public bug reported:
I recently downloaded and built a live usb of the latest 12.04 daily
build iso for i386 hardware using the following link address:
http://cdimage.ubuntu.com/daily-live/current/precise-desktop-i386.iso. I
was not able to boot from the live usb due to the incompatibility of the
linux kernel on the 12.04 iso and my Pentium M laptop hardware.
The error message I received is as follows: "This kernel requires the
following features not present on the CPU: pae. Unable to boot - please
use a kernel appropriate for you CPU." I expected that I would be able
to install Ubuntu 12.04 on my IBM Thinkpad T42 laptop that has a Pentium
M processor, 1700Mhz processor. The root cause of the issue appears to
be that the default kernel bundled in the current daily build i386 iso
is the generic-pae kernel. It's my understanding that the generic-pae
kernel cannot be installed on cpu hardware that does not support pae.
I have been using Ubuntu since 10.10. I have been able to install 10.10,
11.04, and 11.10 on my Thinkpad without issue. My understanding of the
December Tech Board kernel meeting is that the non-pae kernel will be
supported until 12.10. If that's the case, there should be a version of
the Ubuntu 12.04 iso available for download that can be loaded on non-
pae hardware.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/930447
Title:
Unable to Install Ubuntu 12.04 on Pentium M x86 Laptop
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