[Bug 1621185] [NEW] Release distribution upgrade failure on Wily

[Jamie S.]

Public bug reported:

lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 15.10
Release:	15.10
Codename:	wily

do-release upgrade fails even with apt/sources.list.d moved out of the
way to disable add-on packages

```
Fetched 2,053 kB in 6s (1,893 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
```

/var/log/unattended-upgrades/unattended-upgrades.log

```
2016-09-07 12:42:53,142 INFO Initial blacklisted packages: 
2016-09-07 12:42:53,143 INFO Initial whitelisted packages: 
2016-09-07 12:42:53,143 INFO Starting unattended upgrades script
2016-09-07 12:42:53,143 INFO Allowed origins are: ['o=Ubuntu,a=wily-security']
2016-09-07 12:42:53,144 ERROR Lock could not be acquired (another package manager running?)
```

^Only thing running for updates was this same update and don't see
another log. Ended up forcing the update manually by editing
sources.list from Wily to Xenial, also /var/log/apport.log is empty.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: ubuntu-release-upgrader-core 1:15.10.14.4
ProcVersionSignature: Ubuntu 4.2.0-42.49-generic 4.2.8-ckt12
Uname: Linux 4.2.0-42-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CrashDB: ubuntu
Date: Wed Sep  7 12:32:06 2016
InstallationDate: Installed on 2015-11-20 (291 days ago)
InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to wily on 2016-09-07 (0 days ago)

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade wily

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https://bugs.launchpad.net/bugs/1621185

Title:
  Release distribution upgrade failure on Wily

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

Bug description:
  lsb_release -a
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu 15.10
  Release:	15.10
  Codename:	wily

  do-release upgrade fails even with apt/sources.list.d moved out of the
  way to disable add-on packages

  ```
  Fetched 2,053 kB in 6s (1,893 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
  ```

  /var/log/unattended-upgrades/unattended-upgrades.log

  ```
  2016-09-07 12:42:53,142 INFO Initial blacklisted packages: 
  2016-09-07 12:42:53,143 INFO Initial whitelisted packages: 
  2016-09-07 12:42:53,143 INFO Starting unattended upgrades script
  2016-09-07 12:42:53,143 INFO Allowed origins are: ['o=Ubuntu,a=wily-security']
  2016-09-07 12:42:53,144 ERROR Lock could not be acquired (another package manager running?)
  ```

  ^Only thing running for updates was this same update and don't see
  another log. Ended up forcing the update manually by editing
  sources.list from Wily to Xenial, also /var/log/apport.log is empty.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: ubuntu-release-upgrader-core 1:15.10.14.4
  ProcVersionSignature: Ubuntu 4.2.0-42.49-generic 4.2.8-ckt12
  Uname: Linux 4.2.0-42-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Sep  7 12:32:06 2016
  InstallationDate: Installed on 2015-11-20 (291 days ago)
  InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to wily on 2016-09-07 (0 days ago)

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