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This morning the system gave me a message that my Version (11.4) was no longer supported, and I took the 'upgrade' option (-> 11.10). While installing the various components I encountered a message to the effect that the there was an error and the system may have become unusable.

Among the messges:

E:Sup-process /usr/bin/dpkg received a segmentation fault...returned an error code (1).

I was given an option to do several things, one of which seemed to mean that it would attempt to roll back to the previous version (the default), which I took. After the process ran it said the upgrade process had finished, but there were errors. I attempted to initialize a console so I could enter ubuntu-bug update-manager /var/log/dist-upgrade, per the instructions I received when I received the error message, but the console failed during initialization.

I restarted the machine, and the screen has stopped with the following contents:

* Starting bluetooth
* Stopping save kernel messages
* Starting CUPS printing spooler/server
* PulseAudio configured per-user sessions
saned disabled: edit /etc/default/saned
$starting up Cisco VPN daemon
*Starting anac(h)ronistic cron
*Stopping anac(h)ronistic cron

Each of these steps followed by [ OK ]

What are my options?

Any help appreciated!

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12.04 is the current long time support version. 12.10 is the latest stable release. You might want to upgrade to one of them. – asymptotically Nov 5 '12 at 16:38
Thanks. Given that my computer will no longer restart, what's the best way for me to do this? – Eric Nov 5 '12 at 16:44
If you can install it some other way, then load it onto a CD/USB and install from there. While installing, it will give you option of how much disk space to use, and you can set it to use the whole hard drive, or the part on which you had Ubuntu previously (if you want to dual boot) – asymptotically Nov 5 '12 at 21:40
I had a similar problem (similar errors), but for me the problem was with lightdm. I reinstalled it and everything went back to normal (you can access tty modes by pressing C-M-f1 upto f6. f7 is the graphical mode) – asymptotically Nov 5 '12 at 21:41

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