> IIRC, C2-popup is supported since core architecture. The system (a T41) > is unlikely support this. The T41 is an ICH4M, Pentium M system. C2 popup was not supported until ICH6M. Thus, when USB is active, this system should detect bus master activity (as displayed in /proc/acpi/processor/CPU/power) and should not enter C3 when such activity is (recently) present. Len Brown, Intel Open Source Technology Center -- 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
