On Tue, Apr 16, 2019 at 10:00 AM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > Whatever the source of the problem, I don't think you're going to find > it by looking at the USB code. Perhaps the early initialization of the > functions that _are_ present on the Comtrol card somehow messes up > other parts of the system. Thanks for all you help Alan, I think at this point my Linux kernel debugging knowledge has run aground. I would love to crack this nut, but I doubt that will be possible with my current knowledge base. For now I am going to run the patched kernel even if I don't understand precisely why they prevent the box from hanging on boot when the Comtrol card is present.
