Dear Michael, You are right!!. The architecture is i386 as you correctly pointed out (and as confirmed by "dpkg --print-architecture").
I had made a bootable usb drive from the alternate install iso for jaunty (the current setup) and had kept a copy of the iso for future use. Now it looks like I have retained the wrong iso image for jaunty. I had downloaded amd64 karmic solely on the basis of the iso that I had retained wheras I should have confirmed the architecture installed through the commands mentioned by you. The second reason of relying on the amd64 iso was the numerous issues caused by i386 image, namely of trying to downgrade some packages in jaunty which led me to believe that I must have amd64 as downgrade in the new version did not make sense. I had to uninstall kontact and a few other packages to try and push the alternate install for i386 iso, yet it had failed citing dependency issues (pkg xxx is trying to write to yyyyyy, however <higher version from jaunty> is present or something) and kept failing by not being able to resolve archive.ubuntu.com in spite of choosing an offline install in the first dialog box. - I probably should have filed a bug report for that :( . Thanks for pointing out. Since both alternate installs are not working for me, I have initiated a full upgrade from the network :-( Hopefully I will be on Karmic by tomorrow! Thanks for the response. Regards. ======================================================= For reference, am putting the responses to the commands you have asked, maybe it will help someone else running a i386 kernel on amd64 cpu. $ uname -a Linux xxxxxx.xxxxxx.net 2.6.28-15-generic #52-Ubuntu SMP Wed Sep 9 10:49:34 UTC 2009 i686 GNU/Linux $ lsb_release -a No LSB modules are available Distributor ID: Ubuntu Description : Ubuntu 9.04 Release : 9.04 Codename : Jaunty $ dpkg --print-architecture i386 $ sudo apt-cdrom add -a (I added the -a as I was not sure where it was looking for the cd - it asks for mounting the image in /cdrom/, post which it says no packages found on the medium) -- apt-cdrom: better error when cdrom-arch != host-arch https://bugs.launchpad.net/bugs/478394 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs