Am Samstag, 10. Oktober 2009 09:41:01 schrieb Benjamin Herrenschmidt: > suspend is a good candidate yeah, autosuspend might be causing something > like that, I'll see what I can find. I didn't spot an obvious change to > the USB suspend policy between those two kernels, but it could be > trigged by one of the numerous changes that went into usb-serial. Then you can simply test this hunch by switching it off. If that helps please recompile with CONFIG_USB_DEBUG enabled? But I don't understand why the stable series is affected. Autosuspend patches didn't go into it, did they Greg? Regards Oliver -- 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