problems with 10.04 upgrade to 12.04

Thu Sep 6 10:52:57 UTC 2012

The pre release upgrade failed for me on 3 machines and I tried many times.
I had to manage the sources.list manually
roger
> NoOp wrote:
>> So you followed all of the suggestions in the bug report that I pointed
>> you to:
>> https://bugs.launchpad.net/ubuntu/+source/python-defaults/+bug/990740
>> [upgrading from lucid to precise fails]
>> including:
>>
>> <quote>
>> If you didn't use update-manager (or do-release-upgrade from
>> update-manager-core) to do your upgrade please do so next time instead
>> of trying to upgrade with only apt. You'll get much better results.
>>
>> How to get past this:
>> # apt-get install -o APT::Immediate-Configure=false -f apt python-minimal
>> # apt-get -f install
>> # apt-get dist-upgrade
>> </quote>
>>
>> right?
> Hi Noop,
>
> Yes and no. I tried the first of those three steps and it failed. I've
> also tried the second of those steps and it failed. So I haven't tried
> the third step. I've tried variations of steps 1 (with and without dpkg
> and apt) & 2 multiple times; step 1 currently returns:
>
>> # apt-get install -o APT::Immediate-Configure=false -f apt python-minimal
>>    update-manager-core: Depends: python2.7 but it is not going to be installed
>>                         Depends: python (>= 2.7.1-0ubuntu2) but 2.6.5-0ubuntu1 is to be installed
>>    vim-gnome: Depends: vim-gui-common (= 2:7.3.429-2ubuntu2.1) but 2:7.2.330-1ubuntu3 is to be installed
>>               Depends: vim-common (= 2:7.3.429-2ubuntu2.1) but 2:7.2.330-1ubuntu3 is to be installed
>>               Depends: vim-runtime (= 2:7.3.429-2ubuntu2.1) but 2:7.2.330-1ubuntu3 is to be installed
>>               Depends: libperl5.14 (>= 5.14.2) but it is not going to be installed
>>               Depends: libpython2.7 (>= 2.7) but it is not going to be installed
>>               Depends: libruby1.8 (>= 1.8.7.352) but 1.8.7.249-2ubuntu0.1 is to be installed
>>               Depends: tcl8.5 (>= 8.5.0) but it is not going to be installed
>> E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
> The output from step2 is longer. I've attached the log from the latest
> run to the bug report:
> <https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1045285/comments/31>
>
>> BTW: I recommend that you do that from the recovery boot as root with
>> networking. Otherwise, just make sure that you either use 'sudo' instead.
> I'm not quite sure what your 'Otherwise' sentence means. I'm logged in
> via ssh.
>
>> And what other suggestions in that bug report did you try & what
>> happened after you tried them?
> I haven't tried changing repositories. I have tried running apt-get in
> many variations. I've tried running dpkg --configure -a a couple of
> times and the logs are attached to the bug report. I tried running
> apport but it won't run. I think the safest path now is to work with
> current evidence - I'll run any command you like and post the log.
>
> It seems to be some dependency problem. I'm not skilled enough to
> identify the root cause of that, or to know what commands I can use to
> recover from it.
>
>> Note: I see that you stated that this is a server for your boss & it
>> seems be working. *Don't* attempt any of the following without first
>> backing up the server. Provide the output of the following:
>>
>> $ uname -a
> $ uname -a
> Linux pcx36 2.6.32-42-generic #95-Ubuntu SMP Wed Jul 25 15:57:54 UTC
> 2012 i686 GNU/Linux
>
>> Also, before attempting the upgrade you followed the release notes:
>> <https://wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/UbuntuDesktop#Upgrading_from_Ubuntu_10.04_LTS_to_Ubuntu_12.04_LTS>
>> and
>> <https://help.ubuntu.com/community/PreciseUpgrades>
> I tried to follow the instructions in the second of those, which state
> that the first is relevant until the point release has happened.
>
>> 1. Describe as best you can remember the steps that you performed to do
>> the upgrade.
>> 2. Also, given that you are running a server with a graphical desktop
>> (lxde), let us know if *prior* to the upgrade you did any of the
>> following (note some are not mentioned in the release notes):
>>
>> a. sudo apt-get install update-manager-core
>> b. sudo apt-get update && sudo apt-get upgrade
>> c. sudo apt-get install ubuntu-desktop lubuntu-desktop
>> d. sudo apt-get install -f
>> e. sudo dpkg --configure -a
> I don't remember doing any of those. According to shell history, I did:
>
>    449  ls /usr/share/doc/update-manager-text/
>    450  update-manager-text
>    451  update-manager-text
>    452  cls
>    453  clear
>    454  su - scop2-apache
>    455  top
>    456  crontab -e -u www-data
>    457  crontab -e -u www-data
>    458  top
>    459  do-release-upgrade
>    460  do-release-upgrade
>
> I ran update-manager-text because I was trying to follow the
> instructions mentioned above, but am not using the GUI. The scop2-apache
> and crontab commands are irrelevant AFAIK. I was tuning some website
> processing.
>
>> Note: lxdm is nothing more than the lxde desktop manager; same as the
>> gdm or lightdm login managers.
>>
>> Here is what I recommend (backup & the standard 'if you break it you pay
>> for it' applies):
> Yes, it's backed up every night, and the last good backup before the
> upgrade is now set to be kept for a year.
>
>> - create a root account:
>> <https://help.ubuntu.com/community/RootSudo#root_account>
>> (don't forget to remove it when finished).
> I have a root account already (sorry, I tried the ubuntu way but I'm
> old-school).
>
> OK I'll sign off and post this now. I'll try the detailed command
> sequence you suggest below after lunch unless anybody intervenes in the
> meantime.
>
> Thanks for your help,
> Dave
>
>> - reboot & login with recovery mode
>> - enable network (can't recall the exact menu(s) as I need to reinstall
>> 10.04 to detail but I'm pretty sure it's 'network') - select 'yes'
>> regarding  a remount etc at the prompt.
>> - select 'root' & give your newly added root password
>> - Run through these commands in the exact order provided:
>>
>> a. apt-get install update-manager-core
>> b. apt-get install -o APT::Immediate-Configure=false -f apt python-minimal
>> c. apt-get update && apt-get upgrade
>> d. apt-get install -- reinstall ubuntu-desktop lubuntu-desktop
>> Note: the 'lubuntu-desktop' is because you installed ldxe - you can
>> leave it off if you wish, but ensure that you 'install --reinstall
>> ubuntu-desktop'.)
>> e. apt-get -f install
>> f. dpkg --configure -a
>> Note: you many have to repeat these a few times to get things to work &
>> settle down. If they still continue to fail, go to 'f' & then 'e'.
>> f. apt-get update && apt-get upgrade
>> Note: up arrow a few times will get you back to this command
>> f. exit
>>
>> This will return you to the recovery menu & the natural instinct is to
>> click 'resume'. That works, but returns you to a low graphics status at
>> the desktop gm; click it if you wish, but then reboot to get back to
>> actual desktop graphic settings.
>>
>> Reboot & once back on the desktop (lxde?) if the above completed without
>> further errors, go back to the upgrade links & bring up the update
>> manager & try the upgrade again. If that still fails to work, use
>> http://pastebin.ubuntu.com/ to paste whatever ouput you can.