You could try to install NSDPatch and add a line to the config file which excludes the erroneous commands. But if the device does not fully support HD_SCSICMD, then it cannot be used to write CDs.
You should also read documentation of MakeCD. I am quite sure it contains a section about compatiblity and how to make it run. I think there is also an archive of the MakeCD mailing list somewhere which you shold search to find out whether somebody else has experienced similar crashes, too.
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