[Bug 1787658] Re: Can't do a sys upgrade from 16.04 to 18.04.1 LTS

[Brian Murray]

Looking at your log files you don't seem to have the linux-generic
package installed and it is failing to install due to a hold on the
package linux-headers-generic. Please resolve this issue by installing
linux-generic and upgrading linux-headers-generic and then trying the
upgrade again.  Thanks!

>From Aptlog.txt:

  MarkInstall linux-generic [ amd64 ] < none -> 4.15.0.32.34 > ( kernel ) FU=1
  Installing linux-headers-generic as Depends of linux-generic
    Ignore MarkInstall of linux-headers-generic [ amd64 ] < 4.4.0.119.125 -> 4.15.0.32.34 > ( devel ) as its mode (Keep) is protected
Starting pkgProblemResolver with broken count: 1
Starting 2 pkgProblemResolver with broken count: 1
Investigating (0) linux-generic [ amd64 ] < none -> 4.15.0.32.34 > ( kernel )
Broken linux-generic:amd64 Depends on linux-headers-generic [ amd64 ] < 4.4.0.119.125 -> 4.15.0.32.34 > ( devel ) (= 4.15.0.32.34)
  Considering linux-headers-generic:amd64 -1 as a solution to linux-generic:amd64 9999
  Ignore MarkInstall of linux-headers-generic [ amd64 ] < 4.4.0.119.125 -> 4.15.0.32.34 > ( devel ) as its mode (Keep) is protected
  Re-Instated linux-headers-generic:amd64
Done

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

** Summary changed:

- Can't do a sys upgrade from 16.04 to 18.04.1 LTS
+ Can't do a sys upgrade from 16.04 to 18.04.1 LTS due to linux-generic not being installed

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https://bugs.launchpad.net/bugs/1787658

Title:
  Can't do a sys upgrade from 16.04 to 18.04.1 LTS due to linux-generic
  not being installed

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  Fetched 0 B in 0s (0 B/s)

  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done

  Calculating the changes

  Calculating the changes

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  This can be caused by: 
  * Upgrading to a pre-release version of Ubuntu 
  * Running the current pre-release version of Ubuntu 
  * Unofficial software packages not provided by Ubuntu 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. 

  
  Restoring original system state

  Aborting
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  === Command terminated with exit sta

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.4.0-133.159-generic 4.4.134
  Uname: Linux 4.4.0-133-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  Date: Fri Aug 17 23:11:20 2018
  InstallationDate: Installed on 2017-07-05 (408 days ago)
  InstallationMedia: Ubuntu-Server 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.8)
  PackageArchitecture: all
  ProcEnviron:
   LC_CTYPE=en_US.UTF-8
   TERM=screen
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-08-17 (0 days ago)

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