@Tim Gardner: I tried deleting the partion before running usb-creator. I'm not using persistend memory. It doesn't make any difference.
@Everybody: Yesterday I tried it again. While the system tries to read from my internal HDD, I removed the usb-stick and repluged it 1 second later. And then the system boots up correctly! I tried it several times and it works all the time. After booting as explained above, I had a look at gnome-system-log. I think the attached casper.log is related to this bug. ** Attachment added: "casper.log" http://launchpadlibrarian.net/25531737/casper.log -- Ubuntu 9.04 beta desktop fails to boot from usb-stick https://bugs.launchpad.net/bugs/350946 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