Yes, this is expected behaviour. The unplug of a USB device
generates a resume on the USB Bus, per the spec. That causes the
machine to wake up. On MacOS 9 we had support for "partial wake",
where we would wake half-way up, see that it was an unplug and go
back to sleep. Alas, we have not yet implemented this support on
X. It has never made it to the top of the priority list. No need
for a bug, we already have one.
--
Fernando Urbina
USB Technology Team
Apple Computer, Inc.
On May 18, 2005, at 7:28 PM, Rick Mann wrote:
Is this by design? I noticed it in prior OSes, too.
I have to be careful to disconnect my USB cable (which goes to the
brick to my Cinema Display) before closing the lid on my
PowerBook, otherwise it wakes up again.
I find it hard to believe this is desired behavior.
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