[Bug 1317153] Re: os-prober 90fallback - kernels detected out of order

[Launchpad Bug Tracker]

This bug was fixed in the package os-prober - 1.70ubuntu2

---------------
os-prober (1.70ubuntu2) xenial; urgency=medium

  [ Mario Chamorro ]
  * Sort detected kernels by modification time, if possible. (LP:
    #1317153)

 -- Dimitri John Ledkov <xnox at ubuntu.com>  Tue, 23 Feb 2016 16:10:29
+0000

** Changed in: os-prober (Ubuntu)
       Status: Fix Committed => Fix Released

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to os-prober in Ubuntu.
https://bugs.launchpad.net/bugs/1317153

Title:
  os-prober 90fallback - kernels detected out of order

Status in os-prober package in Ubuntu:
  Fix Released

Bug description:
  Ubuntu information at the end of this message. When detecting kernels
  in other distributions like CentOS on the same disk, the kernels are
  incorrectly sorted numerically.

  e.g. this is the current incorrect jumbled result from grub-mkconfig:

  vmlinuz-2.6.32-358.23.2.el6.x86_64
  vmlinuz-2.6.32-431.11.2.el6.x86_64
  vmlinuz-2.6.32-431.1.2.0.1.el6.x86_64
  vmlinuz-2.6.32-431.3.1.el6.x86_64
  vmlinuz-2.6.32-431.5.1.el6.x86_64

  The correct order where the newest kernels are at the top is like so:

  vmlinuz-2.6.32-431.11.2.el6.x86_64
  vmlinuz-2.6.32-431.5.1.el6.x86_64
  vmlinuz-2.6.32-431.3.1.el6.x86_64
  vmlinuz-2.6.32-431.1.2.0.1.el6.x86_64
  vmlinuz-2.6.32-358.23.2.el6.x86_64

  To resolve this, /usr/lib/linux-boot-probes/mounted/90fallback needs
  to list them with the "-t" option:

    -t                         sort by modification time, newest first

  I've made the below change to my local 90fallback script and verified
  that the kernels are now listed in the correct order:

  22c22
  < 	for kernfile in $(eval ls "$mpoint$kernpat" 2>/dev/null); do
  ---
  > 	for kernfile in $(eval ls -t "$mpoint$kernpat" 2>/dev/null); do

  Please make this correction to os-prober so I do not have to manually modify /boot/grub/grub.cfg every time my multi-boot laptop gets new updated kernels. Thanks in advance.
  -- Mario Chamorro

  [mchamorr-ubuntu:~] lsb_release -rd
  Description:	Ubuntu 14.04 LTS
  Release:	14.04

  [mchamorr-ubuntu:~] apt-cache policy os-prober
  os-prober:
    Installed: 1.63ubuntu1
    Candidate: 1.63ubuntu1
    Version table:
   *** 1.63ubuntu1 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty/main i386 Packages
          100 /var/lib/dpkg/status
  [mchamorr-ubuntu:~]

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1317153/+subscriptions