This is not a bug with the release upgrade process, rather with the system after the release upgrade. It sounds like an issue with X.
** Package changed: ubuntu-release-upgrader (Ubuntu) => xorg (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1286627 Title: firefox crashes and kicks out to log-in window since saucy upgrade Status in “xorg” package in Ubuntu: New Bug description: Just downloaded Saucy...frozen at cups-ppdc, restarted...can see newer icons, but tried to use firefox...only get a few windows in and I get kicked out to login window...this happens on my own account and when I log in as guest. Thanks in advance! ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: ubuntu-release-upgrader-core 1:0.205.4 Uname: Linux 3.6.3-030603-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.2 Architecture: amd64 CrashDB: ubuntu Date: Sat Mar 1 17:17:29 2014 InstallationDate: Installed on 2013-06-02 (272 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MarkForUpload: True PackageArchitecture: all ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader Symptom: release-upgrade UpgradeStatus: Upgraded to saucy on 2014-03-01 (0 days ago) VarLogDistupgradeApttermlog: Error: [Errno 13] Permission denied: '/var/log/dist-upgrade/apt-term.log' VarLogDistupgradeTermlog: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1286627/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp