Comment 27 for bug 1160346

Revision history for this message
Frogman (jporubek) wrote : Re: [Bug 1160346] Re: do-release-upgrade from Ubuntu 12.04 on Pentium-M fails, breaks system without any warning (This kernel does not support a non-PAE CPU)

@sudodus

Thanks for the info re: fakePAE trick

On Wed, Mar 5, 2014 at 4:01 PM, sudodus <email address hidden> wrote:

> @Frogman - fakePAE trick
>
> Until the new patches in the main-stream code trickle down (maybe it
> stays in 14.04 LTS), I suggest that you try
>
> Lubuntu-fake-pae according to this link
>
> https://help.ubuntu.com/community/Lubuntu-fake-PAE
>
> or if you want some other flavour of Ubuntu, you have a wide choice if
> you install from a tarball with the One Button Installer
>
> https://help.ubuntu.com/community/OBI
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1094481).
> https://bugs.launchpad.net/bugs/1160346
>
> Title:
> do-release-upgrade from Ubuntu 12.04 on Pentium-M fails, breaks system
> without any warning (This kernel does not support a non-PAE CPU)
>
> Status in Ubuntu Release Upgrader:
> New
> Status in "linux" package in Ubuntu:
> Invalid
> Status in "ubuntu-release-upgrader" package in Ubuntu:
> Triaged
>
> Bug description:
> Attempting to upgrade from Precise with a non-PAE kernel will result
> in a failed upgrade. do-release-upgrade should check whether the user
> is using a non-PAE kernel and refuse to run, rather than upgrading to
> a broken system with no installed kernel.
>
> After downloading 1.5GB+ of data and over 1000 new packages, the
> upgrade will eventually report failure. Looking through the logs there
> is no kernel installed because of the error "This kernel does not
> support a non-PAE CPU.":
>
> Selecting previously unselected package linux-image-3.5.0-26-generic.^M
> Unpacking linux-image-3.5.0-26-generic (from
> .../linux-image-3.5.0-26-generic_3.5.0-26.42_i386.deb) ...^M
> This kernel does not support a non-PAE CPU.^M
> dpkg: error processing
> /var/cache/apt/archives/linux-image-3.5.0-26-generic_3.5.0-26.42_i386.deb
> (--unpack):^M
> subprocess new pre-installation script returned error exit status 1^M
> No apport report written because MaxReports is reached already
>
> Related bugs:
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/897786 Kernel is
> dropping non-PAE flavour
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1068862 upgrade
> from 12.04 to 12.10 on a sans-pae CPU leaves kernel broken
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu-release-upgrader/+bug/1160346/+subscriptions
>