On Sun, Mar 04, 2012 at 03:48:17PM +0100, Christian Gmeiner wrote:
As my last mail is still waiting for approval, I will resend it.
I am trying to boot Linux via Grub from an USB stick. I have tried the USB stick on my devel i5 machine and it worked.
Log can be found here: http://nopaste.info/2b119334eb.html
I don't see anything that looks obviously wrong from your log. A more detailed description of what's failing may help.
Also, you could try copying the image to a machine and run it under qemu (both as an ATA image and as a USB ehci image). Testing under qemu will verify that it's not a logic error.