On Sat, 29 May 2010, Scott Sturdivant wrote: > >>> https://bugzilla.kernel.org/show_bug.cgi?id=16043 > >>> > >>> Summary: Resume w/USB remote working in 2.6.33.2, no longer in > >>> 2.6.33.10 > > First I need to back track and fix an error -- it's version 2.6.33.4 that > this no longer works in, not 2.6.33.10 as I had indicated. I figured as much, since 2.6.33.5 was only released this past week. > In my case, "USB1" was the partical device that was waking up the system. > According to /proc/acpi/wakeup, this is what I see: > > # grep USB1 /proc/acpi/wakeup > USB1 S4 disabled pci:0000:00:06.0 > > Now, I perform the following: > > # cat /sys/bus/pci/devices/0000\:00\:06.0/power/wakeup > disabled > # echo enabled > /sys/bus/pci/devices/0000\:00\:06.0/power/wakeup > # cat /sys/bus/pci/devices/0000\:00\:06.0/power/wakeup > enabled > > Sadly it still will not resume. > > Thanks for the tip, in the meantime I will go back to the 2.6.33-2 kernel > and try modifying the /sys.../power/wakeup file in addition to / instead > of the /proc/acpi/wakeup file. There's one more thing to check: The /sys/.../power/wakeup file for your USB device. A recent change caused remote wakeup to be disabled by default for USB devices; that could explain the change in behavior. You would need to enable it explicitly, just like for the controller. 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
