On Fri, Sep 25, 2015 at 10:12:51PM +0200, Steinar H. Gunderson wrote: > I have no idea whatsoever how this breaks bandwidth management, but seemingly > it does. To verify; I built 4.3rc-2 with CONFIG_PM=n, and it can drive both cards without problems whatwoever. So there's something about power management (LPM?) in newer kernels that causes this issue. /* Steinar */ -- Homepage: http://www.sesse.net/ -- 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