I've got a similar failure with "do-release-upgrade" on an up-to-date 10.04 install trying to upgrade to precise; looking at /var/log/dist-upgrade/20121227-1750/main_pre_req.log I see: [...] 2012-12-27 17:50:05,220 DEBUG adding 'deb http://archive.ubuntu.com/ubuntu/ lucid-updates main ' prerequists 2012-12-27 17:50:05,220 DEBUG running doUpdate() (showErrors=False) 2012-12-27 17:50:05,423 DEBUG openCache() 2012-12-27 17:50:07,065 DEBUG /openCache(), new cache size 39742 2012-12-27 17:50:07,069 DEBUG marking 'libapt-pkg4.12' for install 2012-12-27 17:50:07,082 DEBUG marking 'libapt-inst1.4' for install 2012-12-27 17:50:07,094 DEBUG marking 'release-upgrader-python-apt' for install 2012-12-27 17:50:07,105 INFO cache.commit() 2012-12-27 17:50:07,105 DEBUG failed to SystemUnLock() (E:Not locked) 2012-12-27 17:50:07,113 ERROR Exception during pm.DoInstall() Traceback (most recent call last): File "/tmp/tmpi9IMqo/DistUpgradeView.py", line 203, in run res = pm.do_install(self.writefd) SystemError: E:Couldn't configure pre-depend multiarch-support for libapt-pkg4.12, probably a dependency cycle. 2012-12-27 17:50:07,213 ERROR installArchives returned 'installArchives() failed' 2012-12-27 17:50:07,213 WARNING _fetchArchives for backports returned False
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1002815 Title: failed upgrade from 10.04.4 to 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1002815/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
