kernel-packages team mailing list archive

[Dimitri John Ledkov <launchpad@xxxxxxxxxxxx>]

so, the post-inst on the kernel checks to see that cpu does not have PAE and then bails the upgrade.
However, it could check that even though cpu has no PAE support yet the currently running kernel does have PAE config option enabled and continue with the upgrade.

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => Andy Whitcroft (apw)

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https://bugs.launchpad.net/bugs/1307105

Title:
  Kernel install fails due PAE checks

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  [TRIAGE NOTE]
  When a user boots Ubuntu Live/Install media with 'forcepae' option, the option should automatically be added to /etc/default/grub, or kernel upgrades will refuse to install when they do not see pae capability in cpuinfo.

  [ORIGINAL REPORT]
  On Thinkpad T42 with Pentium M processor linux image upgrade fails with message "This kernel does not support a non-PAE CPU.". System was installed from  ubuntu-14.04-beta2-desktop-i386.iso with "forcepae" kernel option. After install, system works, but cannot be upgraded to laters kernel.

      root@t42:/boot# apt-get upgrade
      Reading package lists... Done
      Building dependency tree
      Reading state information... Done
      You might want to run 'apt-get -f install' to correct these.
      The following packages have unmet dependencies:
       linux-image-extra-3.13.0-24-generic : Depends: linux-image-3.13.0-24-generic but it is not installed
       linux-image-generic : Depends: linux-image-3.13.0-24-generic but it is not installed
      E: Unmet dependencies. Try using -f.

      root@t42:/boot# apt-get install -f
      Reading package lists... Done
      Building dependency tree
      Reading state information... Done
      Correcting dependencies... Done
      The following extra packages will be installed:
        linux-image-3.13.0-24-generic
      Suggested packages:
        fdutils linux-doc-3.13.0 linux-source-3.13.0 linux-tools
      The following NEW packages will be installed:
        linux-image-3.13.0-24-generic
      0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
      3 not fully installed or removed.
      Need to get 0 B/14.6 MB of archives.
      After this operation, 32.3 MB of additional disk space will be used.
      Do you want to continue? [Y/n]
      (Reading database ... 196089 files and directories currently installed.)
      Preparing to unpack .../linux-image-3.13.0-24-generic_3.13.0-24.46_i386.deb ...
      This kernel does not support a non-PAE CPU.
      dpkg: error processing archive /var/cache/apt/archives/linux-image-3.13.0-24-generic_3.13.0-24.46_i386.deb (--unpack):
       subprocess new pre-installation script returned error exit status 1
      Examining /etc/kernel/postrm.d .
      run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.13.0-24-generic /boot/vmlinuz-3.13.0-24-generic
      run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.13.0-24-generic /boot/vmlinuz-3.13.0-24-generic
      Errors were encountered while processing:
       /var/cache/apt/archives/linux-image-3.13.0-24-generic_3.13.0-24.46_i386.deb
      E: Sub-process /usr/bin/dpkg returned an error code (1)

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