On Pá 23-12-05 10:17:45, Alan Stern wrote: > On Fri, 23 Dec 2005, Holger Macht wrote: > > > Hi, > > > > We implemented device runtime power management in a userspace application > > (the powersave daemon). In this specific case, it means to successively > > put pci devices into D3 powersave mode with writing a numerical '3' to the > > corresponding power state file. > > > Now that we get more and more votes that this could be very dangerous and > > problematic because of the current kernel implementation, we decided to > > gather some more comments from involved people and experts in this > > area. That's the aim of my post to this list. Opinions are welcome! > > Remember that you're likely to run into trouble if you try to suspend a > device that has unsuspended children. ...network drivers should be easy targets -- we can copy suspend handling from _close() routine. OTOH for example b44.c does have quite different code between _close() and _suspend()... Pavel -- Thanks, Sharp!