Messages in this thread | | | Date | Thu, 16 Feb 2006 00:51:44 +0100 | From | Pavel Machek <> | Subject | Re: Flames over -- Re: Which is simpler? |
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Hi!
> > I would disagree. The only difference between the two is WHERE the > > state is maintained - ram vs. disk. I won't really argue it though, > > because it's just semantics -- call it whatever you want. > > It's not just semantics. There's a real difference between maintaining > state in the hardware and maintaining it somewhere else. The biggest > difference is that if the hardware retains suspend power, it is able to > detect disconnections. When the system resumes, it _knows_ whether a > device was attached the entire time, as opposed to being unplugged and > replugged (or possibly a different device plugged in!) while the system > was asleep. If the hardware is down completely, there is no way of > telling for certain whether a device attached to some port is the same one > that was there when the system got suspended.
I have strange system here (intel dual core prototype) that supplies usb power even while it is "off". I'll need to find a way to fix that.
(Not that it is important to this discussion, just a reminder that strange hw exists)
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