Currently, when I boot up an Ubuntu virtual machine, the boot process messages are not shown up in the VNC console. Everything that I see in the console is "iPXE Booting from ROM...", black screen and login entry at the end. I am using OpenStack Essex and my VM's image was built from Ubuntu Server 12.04 LTS. I tried editing the GRUB config file /etc/default/grub and updating configuraton with update-grub afterwards. Particularly, I made sure there is no "quiet" option in the Linux command line parameters, GRUB_TERMINAL=console is uncommented, etc.
The problem is it looks like Nova does not use this GRUB config at all. Any changes applied to the GRUB config are not visible on the boot process. I studied documentation and googled a lot trying to understand how the VMs boot process works in OpenStack but with no success. I need your help on this issue. I would appreciate if someone shares an advice how to view the boot messages while booting up a VM or point me to the proper documentation. Let me know if you need more details on my configuration as it looks to be a rather general issue. Thank you for your help.
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