keine Aktualisierung für ubuntu 15.04 möglich

[Fred Georg Paul Löffler]

Beim aktualisieren auf ubuntu 15.04 kaum mitten im Aktualisierungsvorgang die Fehlermeldung. Ich glaube, bei der Paketauswahl.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.13.0-76.120-generic 3.13.11-ckt30
Uname: Linux 3.13.0-76-generic i686
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: i386
CrashDB: ubuntu
CurrentDesktop: Unity
CurrentDmesg.txt:
 [ 84.108532] init: plymouth-upstart-bridge main process ended, respawning
 [ 84.153480] init: plymouth-upstart-bridge main process ended, respawning
 [ 171.906262] perf samples too long (2504 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
 [ 392.776142] ath5k: ath5k_hw_get_isr: ISR: 0x00040004 IMR: 0x00000000
 [ 467.978732] perf samples too long (5043 > 5000), lowering kernel.perf_event_max_sample_rate to 25000
Date: Wed Jan 20 19:16:55 2016
InstallationDate: Installed on 2013-03-17 (1039 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-01-19 (0 days ago)
VarLogDistupgradeTermlog:

mtime.conffile..etc.update.manager.release.upgrades: 2016-01-16T23:34:30.759329