On Fri, Jun 17, 2011 at 11:17:01AM -0400, Alan Stern wrote: > Okay, then you must have seen all the verbose PM debugging messages. > Which means the last suspend callback to run was for the 1-1 device > rather than the usb1 device, right? > > If so, it means I was looking in the wrong place. 1-1 is the internal > rate-matching hub, whereas usb1 is the EHCI controller's root hub. > > Can you add your own dev_info() statements to the hub_quiesce() and > hub_suspend() routines in drivers/usb/core/hub.c, or should I send a > patch? After "usb 1-1.1: usb suspend" I see a full "start hub_suspend, hub_quiesce, rest of hub_suspend" path for 1-1:1.0 (I've used &intf->dev in suspend and hub->intfdev in quiesce as a 1st arg for dev_info()), then "usb 1-1: usb suspend" and after that it hangs. -- WBR, wRAR
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