On Wed, 27 May 2009, Hans de Goede wrote: > Ok, > > I tried it and setting > CONFIG_USB_EHCI_TT_NEWSCHED=N > > Makes the I want maximum full speed isoc bandwidth all for myself camera > work through the 2.0 hub in my monitor. So this seems to be an issue in > the new schedule code. > > Is there anything I can do to help debug this ? I'm afraid not. > Also I wonder what would be the best value for CONFIG_USB_EHCI_TT_NEWSCHED to > use for a distro kernel ? I believe they all turn it on, since it generally behaves better than the old scheduler. However the fact remains that both schedulers are buggy. Neither of them is compliant with the USB-2.0 spec when handling 1023-byte iso-IN transfers. Alan Stern -- 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
