Public bug reported:
When updating in the UI (Muon) I get an error dialog saying
Unable to Mark Upgrades
Not all packages could be marked for upgrade.
...
Updating on the command line fails, too:
sudo aptitude safe-upgrade
Resolving dependencies...
Unable to resolve dependencies for the upgrade: no solution found.
Unable to safely resolve dependencies, try running with --full-resolver.
$ sudo aptitude safe-upgrade --full-resolver
The following packages will be upgraded:
linux-generic linux-headers-generic{b} linux-image-generic{b}
3 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 5,252 B/6,960 B of archives. After unpacking 0 B will be used.
The following packages have unmet dependencies:
linux-headers-generic : Depends: linux-headers-3.2.0-27-generic which is a
virtual package.
linux-image-generic : Depends: linux-image-3.2.0-27-generic which is a virtual
package.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: muon-updater 1.3.1-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
Uname: Linux 3.2.0-26-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu11
Architecture: amd64
Date: Sat Jul 7 09:38:47 2012
ExecutablePath: /usr/bin/muon-updater
InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101008)
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: muon
UpgradeStatus: Upgraded to precise on 2012-05-07 (61 days ago)
** Affects: apt (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/1022102
Title:
Can not update the system. Get an error "Unable to mark upgrades."
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