On 05/25/2009 10:49 PM, Alan Stern wrote:
No, the bandwidth allocation/sharing is fine. The awkward part is trying to run a full-speed device through a high-speed translating hub. The mechanism for this is delicate and inefficient, and it is not implemented entirely correctly in ehci-hcd.
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One thing you might check for is whether or not CONFIG_USB_EHCI_TT_NEWSCHED is enabled in your kernel. It affects these sorts of issues.
It is enabled, it is useful to give things a try with a kernel build with it disabled ? Thanks & Regards, Hans -- 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
