On Wed, Apr 22, 2009 at 4:51 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > In fact the bug report says that 2.6.27 worked okay. Not true, didn't tested 2.6.27 - there wasn't such one in debian repos. > However the changes to uhci-hcd between 2.6.27 and 2.6.28 are quite > minimal. I can't see how any of them could have had this effect. It > must be due to a change somewhere else in the kernel. Could You please check 26 <-> 27? In my opinion uhci-hcd was able to autosuspend while mouse wasn't used in 2.6.26 and it isn't able to do autosuspend now ( C3 works ok after "rmmod uhci-hcd") This situation is very similar to using usb memory stick non-stop, when watching move for eg. then processor also never goes below C2. Daniel Smoczyk -- 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