On Thu, Jan 24, 2013 at 12:02 AM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > Other strange things seem to be happening. Take a look at the log just > posted by Norbert Preining: > > http://www.preining.info/usb-syslog-prob.txt > > Starting at timestamp 400.570029, the external hub and root hub go into > a strange remote wakeup loop. I don't know why; maybe some external > program is trying to access the external hub over and over again. This >From timestamp 400.570029 to 410.920195, root hub is always auto-resumed, so it might be triggered by some crazy external applications, lsusb or others? > continues for more than 10 seconds! If the delay were set to 30 ms, > the amount of activity would be greatly reduced. IMO, if it is a normal use case on USB bus or device, we need to consider adjusting the default delay for hub, but it is still not sure, :-) Thanks, -- Ming Lei -- 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
