Re: Off switch blues

In article <op.ujssmzg2z25lew@xxxxxxxxxxxxxxxxxxx>,
"Martin Krischik" <krischik@xxxxxxxxxxxxxxxxxxxxx> wrote:

Am 29.10.2008, 16:56 Uhr, schrieb nospam <nospam@xxxxxxxxxxxxxx>:

In article <49087cea$1@xxxxxxxxxxxx>, Martin Krischik
<krischik@xxxxxxxxxxxxxxxxxxxxx> wrote:

When I push the "Off" button on my Mac Pro it does not switch off but
goes into some standby / suspend mode. Well, I can almost live with that
- for a real switch off you should log off first anyway.

However - the blimey thing does stay in standby / suspend. I switch the
monitor off (which has an usb hub) and whoop the system on again.

any change to the usb bus will wake the computer. unplug that hub and
turning off the monitor will no longer wake the computer.

But it's defeats the object of a quick shut down / restart cycle if I have
to unplug all usb (and prehaps firewire as well) devices. I say: it's not
a feature ist a bug.

Bugs are by definition unintended behavior. You're describing intended
behavior. The fact that you don't like it doesn't make it a bug. If you
can document that this does more harm than good in the general case, the
proper term is a misfeature.

I can't tell you what's waking your machine up in the middle of the
night. I can tell you that if you expect the sleep mode invoked by
tapping the power button to be somehow "deeper" than sleep invoked any
other way, you're doomed to disappointment. Sleep is sleep. There are
several ways to invoke it and several ways to wake the machine up.

I can also tell you that the reason shutting off your monitor wakes it
up is that the state change of its built-in hub is sufficient to count
as bus activity. I'm not sure *why* you're turning it off, though. It
should go into standby mode when the machine sleeps, and a display in
standby mode doesn't use meaningfully different power from a display
that's off but plugged in.

If you have your machine monitoring a UPS via USB connection, the UPS
might be waking the machine up in response to a power fluctuation. That
one's certainly not a bug; if you lose wall power, you want the UPS to
wake up your machine so it can initiate an orderly shutdown before the
battery is exhausted.

--
"Harry?" Ron's voice was a mere whisper. "Do you smell something ... burning?"
- Harry Potter and the Odor of the Phoenix
.

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