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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