Based on oliver's instructions (thx a lot!! safed my a.. at work today)
I successfully installed Ubuntu 12.04 on a Pentium M laptop. The
official ubuntu-12.04-desktop-i386.iso file always triggered the PAE-
missing-error and failed to install.
As I am a newbie, it took me a while to figure out how exactly it needs
to be done, and besides there is a small error in the menuentry of
oliver's post. So here it is again for other beginners :-)
1.) Download the official ubuntu-12.04-desktop-i386.iso and use the "Startup
Disk Creator" to make a LiveUSB installation on your favorite empty USB key
(FYI, I used the option "Discarded on shutdown, unless you safe them
elsewhere", just in case...)
2.) Copy the ubuntu-12.04-desktop-i386.iso to the USB key (not in a folder!)
3.) Unmount your USB key. I assume your USB key is the device /dev/sdb. Then
remount it to /mnt (e.g. with "sudo mount /dev/sdb1 /mnt" or similar)
4.) sudo grub-install --no-floppy --root-directory=/mnt /dev/sdb
5.) sudo grub-mkconfig |sudo tee /mnt/boot/grub/grub.cfg
6.) sudo gedit /mnt/boot/grub/grub.cfg and look for the "menuentry{ ... }"
sections. Replace all of them with one single entry
menuentry "PAE kernel for Pentium M" {
iso_path=/ubuntu-12.04-desktop-i386.iso
export iso_path
search --set --file $iso_path
loopback loop $iso_path
root=(loop)
configfile /boot/grub/loopback.cfg
loopback --delete loop
}
7.) reboot and make sure your computer boots from the USB key
8.) send oliver a postcard :-)
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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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