Public bug reported:
I upgraded (or tried to) from 15.10 to 16.04.
After a few errors as per bug 1561467 and a few crash-report popups
which I don't know whether were related or not, I finally got the error
message:
"Could not install the upgrades
The upgrade has aborted. YOUR SYSTEM COULD BE IN AN UNUSABLE STATE. A recovery
will run now (dpkg --configure -a)"
(emphasys added).
By clicking "Close", I expedted the "recovery" to run and hopefully recover
something, but nothing happened.
Almost immediately, the upgrade window with the checklist ("download stuff",
"install stuff", ... "cleanup", "restart computer") disappeared (without
prompting me to restart the computer) and I got a message like "Upgrade
complete. The system was updated but there were errors" or something like that.
(obviously this is all unacceptable: you tell me my system could be unusable
and don't give me a clue about what the fuck happened and what I am supposed to
do?!?)
So, I tried running "dpkg --configure -a" in a terminal, but I only got
a very long series of almost identical errors regarding dependency
problems for many many packages, which ended more or less like
"Aborting, too many errors".
After a bit of googling, I tried this which I seemed to understand could maybe
fix the issue:
sudo apt-get -f install
(or "sudo apt-get install -f", can't remember now)
This seems to have worked. I could reboot (got a couple of crash reports, I
hope they won't pop up at every reboot), my system is now 16.04 and tried some
random stuff which seems to work.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: apt 1.2.15
ProcVersionSignature: Ubuntu 4.4.0-53.74-generic 4.4.30
Uname: Linux 4.4.0-53-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.1-0ubuntu2.2
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Dec 11 23:17:12 2016
InstallationDate: Installed on 2013-10-11 (1157 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
SourcePackage: apt
UpgradeStatus: Upgraded to xenial on 2016-12-11 (0 days ago)
** Affects: apt (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1649153
Title:
upgrade from 15.10 to 16.04 broken, bricks computer
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