I suspect this is a problem with the USB driver that does not manage to work around some brokeness in the hub chip. The hub has no current-limiter at all and plugging in some peripherals will hard crash your Raspberry Pi, something I do not observe with better hubs. Appears to result in significant slow downs when the USB is under load, such as running Nokia 3100 HAMA USB root file system from a USB drive. Dynamode 7-Port USB 2.[…]
