Kevin Zhu <Mingying.Zhu@xxxxxxxxxxxxxx> writes: > I will find it out. And I don't have v3.16 and I'm not going to upgrade > my OS to that. Sorry. So I would just stick to v3.13. Ouch. well, OK. I certainly hope you are at v3.13.10 or newer at least. Otherwise we know very well what the problem is... One of the reasons for the series that went into v3.16 was making this sort of debugging easier, enabling on-the-fly NCM aggregation parameter tuning. I'd certainly recommend taking advantage of it instead of rebulding the driver every time you want to test the effect of some minor change to the aggregation scheme. And do feel free to add more knobs if you need them. Bjørn -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html