Ubuntu
linux package

pae Unable to boot on Vaio

Bug #1005060 reported by Ian Timms on 2012-05-27

This bug report is a duplicate of: Bug #930447: 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. Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Won't Fix	Medium	Unassigned

Bug Description

ubuntu-12.04-desktop-i386.iso

Tried to install latest ubuntu release and it fails with the following messages:

   This kernel requires the following features not present on the CPU:
   pae
   Unable to boot - please use a kernel appropriate for your CPU.

Hardware is Vaio PCG-C1MT. Previous versions ran okay.

Given what I've read here "https://lists.ubuntu.com/archives/ubuntu-devel/2012-May/035176.html" the attitude is to only go with the latest and greatest hardware.

To me the whole point of Ubuntu was to be able to support old underpowered hardware and give it a new lease of life. If there is no fix for this then I will take it that Ubuntu is a defunct operating system and the spirit of Ubuntu has died.

Clearly the likes of Intel have got their hooks into the developers.

Revision history for this message

Brad Figg (brad-figg) wrote on 2012-05-27: Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1005060

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status:	New → Incomplete

Revision history for this message

Ian Timms (itimms) wrote on 2012-05-28:

After reporting the message the system just hangs. No opportunity is given to collect logs or run apport-collect.

Changed in linux (Ubuntu):
status:	Incomplete → Confirmed

Revision history for this message

Joseph Salisbury (jsalisbury) wrote on 2012-05-29:

12.04 is the last release that will support non-PAE. The default (and boot) kernel for 12.04 32 bit is now the PAE kernel, so there is no easy way to install a non-PAE kernel. We are only providing an upgrade path from prior releases.

Changed in linux (Ubuntu):
importance:	Undecided → Medium
status:	Confirmed → Won't Fix

Revision history for this message

Jay Bee (jay-bee) wrote on 2012-11-12:

Got a weird solution for you...

I had the exact same error message popup using Ubuntu v12.04 Desktop, and Ubuntu v12.04 Alternate (both x86):
-------------------
This kernel requires the following features not present on the CPU:
pae
Unable to boot - please use a kernel appropriate for your CPU.
-------------------
And the computer just hangs at this point.

Then I tried installing Ubuntu v12.04 Business Desktop Remix, and voila - it installed like it should have. I guess it is still using the non-PAE kernel?

I wonder how many people managed to get beyond the pae error... I read a lot of suggestion for people having issues installing Ubuntu on Eee PC 701 that said to boot into Live Mode, then modify /usr/lib/ubiquity/ubiquity/misc.py. and change "min_disk_size = size * 2" to "min_disk_size = size * 1.4"... I couldn't install or boot Ubuntu until I used the Business Remix, and then it just worked, I didn't have any 4GB size limit issues at all...