The failure to calculate the upgrade is not related to the "Multi-Arch
type" issue you've identified. Please include the contents of '/var/log
/dist-upgrade' or run 'apport-collect 1538080' so we can identify the
real issue.
** Package changed: apt (Ubuntu) => ubuntu-release-upgrader (Ubuntu)
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1538080
Title:
Old apt version blocks upgrade from 14.04.3 LTS to 15.04 due to
"Unknown Multi-Arch type 'no'"
Status in ubuntu-release-upgrader package in Ubuntu:
Incomplete
Bug description:
I'm trying to update a 14.04.3 LTS machine to 15.04.
In that process, I get the following message :
------
Unknown Multi-Arch type 'no' for package 'compiz-core'
Unknown Multi-Arch type 'no' for package 'compiz-gnome'
Unknown Multi-Arch type 'no' for package 'compiz-core'
Unknown Multi-Arch type 'no' for package 'compiz-gnome'
Unknown Multi-Arch type 'no' for package 'compiz-core'
Unknown Multi-Arch type 'no' for package 'compiz-gnome'
Unknown Multi-Arch type 'no' for package 'compiz-core'
Unknown Multi-Arch type 'no' for package 'compiz-gnome'
You may want to run apt-get update to correct these problems
Checking package manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... 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.
------
This problem is caused by apt, according to
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=759099 , this was solved in
apt 1.0.7.
The version installed with trusty-updates is 1.0.1ubuntu2.10, so without the
fix.
Is there a way to upgrade to fix this ?
I would really like to convert this machine into a non LTS machine, without
having a reinstall which would make my users unhappy.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1538080/+subscriptions
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