kernel-packages team mailing list archive

[sudodus <nio.wiklund@xxxxxxxxx>]

What about the boot option 'forcepae'?

Is it still available, and possible to use in order to make Pentium M
and Celeron M run a PAE kernel?

In that case, I think that it should be described in the wiki page that
the error text is referring to

https://help.ubuntu.com/community/EnablingPAE

instead of (or at least alongside with) the reference to ugrading from
12.04 which is cumbersome and prone to failure.

And is the tip about 'forcepae' still there in the error output? It is
quite brief but will help people with some experience understand how to
make the computer work. Others may need a more verbose help text (that I
think should be in the wiki page).

-o-

I saw that you, Brian Murray, edited the wiki page March 3, so I don't
want 'hijack' the page, instead I discuss here, what it could and should
contain.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
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

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