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 Post subject: When I hibernate it disables networking (answered)
PostPosted: Mon Sep 13, 2010 8:23 am 
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Joined: Thu May 27, 2010 6:55 am
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This happens on my desktop (I do not hibernate my laptop).

When I use Suspend, everything comes back on great. It reconnects to my etho right away. But when I use Hibernate, after I boot back in, networkig is disabled and I have to right click on the networking icon and enable networking.

Not a big problem, since i prefer Suspend over Hibernate. Just wondering why the Hibernate function always disables networking. It doesn't do that when I do a shut down or a restart.

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 Post subject: Re: When I hibernate it disables networking
PostPosted: Mon Sep 13, 2010 8:14 pm 
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Joined: Mon Aug 23, 2010 8:57 pm
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I have had something similar on my laptop (hibernate disabled now) that when waking from hibernate my wireless would not reconnect until I did a reboot. I never actually checked to see if it was disabled.


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 Post subject: Re: When I hibernate it disables networking
PostPosted: Mon Dec 27, 2010 8:00 pm 
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I should note that the following is somewhat conjecture.

An Internet connection takes a certain number of processor cycles; there's usually some traffic even on an idle connection. On older machines this can lead to (un)amusing scenarios of losing a connection when the system is on rather high load.

My guess is that where suspend keeps the idling connection going, hibernate halts processor cycles and therefore the connection is dropped. There might even be a specific part of the hibernate process which explicitly puts the connection down.

The reason that it is not being seen to happen with an ethernet connection on reboot and power on is probably that it is set to connect automatically, and on ethernet, this will happen very quickly, possibly before the display manager has had a chance to display network manager's applet. Thus, when you log in the connection appears to have always been on.

I guess. Actually, I'm not really sure, but that's where my instincts are pointing.

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 Post subject: Re: When I hibernate it disables networking
PostPosted: Tue Dec 28, 2010 8:35 am 
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Joined: Fri Sep 24, 2010 8:27 pm
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I, was also under the assumption that when in Hibernation the lesser processes are knocked off (shut down) and internet connections is one of them, to preserve power, and put to sleep any remaining processing, and keep alive only which is need to boot back on... the bare essentials so to speak... where as suspend is like freezing everything, though the processing is frozen it doesnt or shouldnt knock off (shut down) any processes at all...

I must look back into that technique of Hibernation v's Suspend. Think of it like, Suspend being frozen in time just to be awaken as if nothing happened, and Hibernation is put to sleep and can't remember that last 6 months... lol :lol: :lol:

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