I am glad to hear that you got the transfers working. The behavior you are seeing is expected. When you enable DirectGMA you specify the size of the PCIE aperture that gets reserved for DirectGMA. I guess you used
This will set the max size to 96MB and trying to use more will return an error. You can set it to a max value of 128MB. Currently this is the maximum that is supported.
oh well i forgot that point. thanks Chris.
However, is there any plan from your part to increase that number?