eucalyptus instance remains in pending status solutions

IF instance status showing Pending and you can see error "qemu: linux kernel too old to load a ram disk" in log files under /var/log/libvirt/qemu/, then that is the issue of image. So try new image

I could provision VM using following images

1) ubuntu-10.04-server-cloudimg-amd64.tar.gz <====
This image was working with Eucalyptus 2.0.3 (Ubuntu 11.04)


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http://uec-images.ubuntu.com/ <--- Main link


Ubuntu Server 9.10 (Karmic Koala)
=========================
http://cloud-images-archive.ubuntu.com/karmic/
http://cloud-images-archive.ubuntu.com/karmic/20110425/


Ubuntu Server 10.04 (Lucid Lynx)
=========================
http://uec-images.ubuntu.com/lucid/
http://uec-images.ubuntu.com/lucid/20120323/


Ubuntu Server 10.10 (Maverick Meerkat)
=============================
http://uec-images.ubuntu.com/maverick/


Ubuntu Server 11.04 (Natty Narwhal)
===========================
http://uec-images.ubuntu.com/natty/


Ubuntu Server 11.10 (Oneiric Ocelet)
===========================
http://uec-images.ubuntu.com/oneiric/


Ubuntu Server 12.04 (Precise Pangolin)
=============================
http://uec-images.ubuntu.com/precise/