<div dir="ltr"><div><div>Following up on this error ...<br><br>I was able to overcome this error by identifying and purging packages that are holding back the upgrade, via the following two commands:<br><br>$ sudo grep Holding /var/log/dist-upgrade/apt.log | awk '{print $3}' | sed -e 's/:amd64//' | sort -u > held-back.txt<br>
<br>$ sudo aptitude purge `cat held-back.txt `<br><br></div>The file held-back.txt is kept so that after the upgrade I may refer to it for missing packages.<br><br></div>Mine contains the following ...<br><div><br>graphviz<br>
im-config<br>
kdevelop<br>kdevelop-php<br>kdevplatform7-libs<br>libgvc6<br>ofono<br>telepathy-ring<br><br></div><div>Posting this from an upgraded desktop ...<br><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Tue, Aug 12, 2014 at 9:44 PM, Khalid Baheyeldin <span dir="ltr"><<a href="mailto:kb@2bits.com" target="_blank">kb@2bits.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div><div>The servers for me will stay with 12.04.x for a while, mainly due to Drupal and PHP versions. Ubuntu Server LTS 12.04 should be supported all the way to April 2017.<br><br></div>I was trying to upgrade the laptop, for no particular reason. Desktop should be supported until April 2015.<br>
<br>But when I tried, I got the following error:<br><br>Calculating the changes<br>Could not calculate the upgrade <br>An unresolvable problem occurred while calculating the upgrade. <br>This can be caused by: <br>* Upgrading to a pre-release version of Ubuntu <br>
* Running the current pre-release version of Ubuntu <br>* Unofficial software packages not provided by Ubuntu <br>If none of this applies, then please report this bug using the <br>command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. <br>
Restoring original system state<br>Aborting<br>Reading package lists... Done <br>Building dependency tree <br>Reading state information... Done<br>Building data structures... Done <br><br></div>I tried to submit a report as instructed above, but that fails too.<br>
</div><div class="gmail_extra"><div><div class="h5"><br><br><div class="gmail_quote">On Tue, Aug 12, 2014 at 9:15 PM, Bob Jonkman <span dir="ltr"><<a href="mailto:bjonkman@sobac.com" target="_blank">bjonkman@sobac.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">-----BEGIN PGP SIGNED MESSAGE-----<br>
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<br>
Hi Khalid: Did you know there's a 12.04.5 release of Ubuntu out now?<br>
First time ever for a x.y.5 release, I think. Because of that I'm<br>
delaying any thought of upgrading my servers for another six months...<br>
<br>
- --Bob.<br>
<div><br>
<br>
On 14-08-12 12:15 PM, Khalid Baheyeldin wrote:<br>
</div><div>> I am still on 12.04, since I usually delay upgrading until the<br>
> first point release is out.<br>
><br>
> Now that 14.04.1 is out, it is time to do some upgrades. On the<br>
> server, there is the issue the PHP 5.5 being the default and some<br>
> Drupal modules do not work with that well. So I am delaying some of<br>
> the servers for a while.<br>
><br>
> On the desktop I use Kubuntu (KDE), and I finally got the notice<br>
> that it is time to upgrade.<br>
><br>
> For those who upgraded already, is there anything that I should<br>
> watch for? Something not working, missing packages, quirks,<br>
> ..etc.?<br>
><br>
><br>
><br>
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</div></div></blockquote></div><br><br clear="all"><br></div></div><div class="">-- <br>Khalid M. Baheyeldin<br><a href="http://2bits.com" target="_blank">2bits.com</a>, Inc.<br>Fast Reliable Drupal<br>Drupal optimization, development, customization and consulting.<br>
Simplicity is prerequisite for reliability. -- Edsger W.Dijkstra<br>Simplicity is the ultimate sophistication. -- Leonardo da Vinci<br>For every complex problem, there is an answer that is clear, simple, and wrong." -- H.L. Mencken<br>
</div></div>
</blockquote></div><br><br clear="all"><br>-- <br>Khalid M. Baheyeldin<br><a href="http://2bits.com" target="_blank">2bits.com</a>, Inc.<br>Fast Reliable Drupal<br>Drupal optimization, development, customization and consulting.<br>
Simplicity is prerequisite for reliability. -- Edsger W.Dijkstra<br>Simplicity is the ultimate sophistication. -- Leonardo da Vinci<br>For every complex problem, there is an answer that is clear, simple, and wrong." -- H.L. Mencken<br>
</div>