[mdclanahan]

Originally Posted by davidfor

Are the devices being mounted read-only? That seems to be a common problem for MACs and will prevent calibre from accessing the device properly.

And go through the steps in https://www.mobileread.com/forums/sh...d.php?t=118560.

No, they're not read-only, although that could have explained it.

Those steps are nearly verbatim from the Calibre FAQ I mentioned in my first reply to the original post. I've confirmed everything I can. How long should the debug device detection report take? I've tried multiple times now and haven't made it past the "Waiting" status, and it says "Unavailable" for Progress.