[ubuntu] Ubuntu 12.04 Installation hangs after device mapper: dmraid45 initialized

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http://ubuntuforums.org – Hi! I have a working Ubuntu 10.04 version installed on my laptop and am trying to upgrade to 12.04 using a fresh install. I have burned the general 386, 32 bit iso on to an USB stick using the Universal-USB-installer (as mentioned in the official documentation). I can boot from the live-usb and it seems to work fine. So, I try to install. I choose the default partioning (entire disk) and click on "Install Now". But the installer hangs while "configuring the hardware". Pressing any key at this stage drops me to a black screen, with the following message printed - d (Hardware)