could not calculate the upgrade

Colin Law clanlaw at
Tue Oct 12 09:34:40 UTC 2010

On 12 October 2010 10:23, Tapas Mishra <mightydreams at> wrote:
> On Tue, Oct 12, 2010 at 1:37 PM, Colin Law <clanlaw at> wrote:
>> On 12 October 2010 07:06, Tapas Mishra <mightydreams at> wrote:
>>> On Tue, Oct 12, 2010 at 11:03 AM, Alan Pope <alan at> wrote:
>>>> On 12 October 2010 06:05, Tapas Mishra <mightydreams at> wrote:
>>>>> The problem cannot be reported:
>>>>> This is not a genuine Ubuntu package
>>>> Which indicates you have tweaked your sources.list or installed an
>>>> update-manager package from elsewhere.
>>> I here by declare that what ever I said in this thread is true to best
>>> of my knowledge I have not tweaked with any package in the 10.04
>>> system.It is a clean install and I have not installed any of such
>>> things.
>>>>> What is 10.10 it feels it is useless to do any upgrades on 10.04 (this
>>>>> is a clean 10.04 installation without any experiment)
>>>> Based on previous mails I find this somewhat hard to believe.
>>>> What's the contents of /etc/apt/sources.list,
>> If it is a clean install what are these doing in sources.list?
>> deb lucid main
>> deb-src lucid main
>> deb lucid main #xorg-edgers PPA
>> deb-src lucid main
>> #xorg-edgers P
>> #For Clam AV
>> deb stable/volatile main
>> contrib non-free
> Well CalmAV is an antivirus this I had added from some link but rest I
> did not do any changes.

Are you saying you did not add the xorg-edgers ppa?  I think that most
unlikely, I do not see how it could have got there itself.  Have you
ever accessed this ppa?  You might have done something like

sudo add-apt-repository ppa:xorg-edgers/ppa


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