beagleboard has a pile of patches for musb http://cgit.openembedded.org/cgit.cg...ap-2.6.29/musb I don't know though if otg host mode is working on the beagleboard with that kernel.

My point is that even if some kind of off-spec host mode is supported by hardware, the driver may still be broken and/or the hardware may be buggy and require workarounds.

FYI, by default the kernel has hubs disabled. However IIRC at sufficient debug verbosity you might get an error message when you connect the hub if the hub is detected. Recompiling the kernel can get around that.