Once upon a time, Andy Shevchenko andy@smile.org.ua said:
On Mon, Dec 17, 2007 at 07:26:00PM -0600, Chris Adams wrote next:
Otherwise, USB wakes up 4 times per second for no particular reason (no other USB devices are attached).
I don't know exactly, but may be some like next helps?
[root@toaster special-english]# echo "disabled" > /sys/bus/usb/devices/usb1/power/wakeup
That didn't seem to help.
Not only does "rmmod usb-uhci" cut out 4 wakeups per second, it allows the CPU to go into state C3 (otherwise I never see anything but C2).