Snow Leopard vs Mavericks sleep quality

We upgraded to Mavericks. Prior information in, 'Why your Mac might not sleep or stay in sleep mode' mentions 'automated backup' as a problem. Does this include Time Machine waking up the computer every hour? Our machine never cools off during the night. Its 'sleep quality' is poor compared to Snow Leopard. What is the problem?

OS X Mavericks (10.9.2), upgraded from Snow Leopard

Posted on May 7, 2014 4:40 AM

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8 replies

May 8, 2014 5:09 AM in response to Eric Root

I did a SMC reset and still the iMac 20-inch, Mid 2007 seems to sleep, wake up, sleep, wake up all by itself. Time Machine on with a firewire backup drive. USB network, printer... Plain vanilla no apps, Safari factory specs with 4 Gig OMC supplied memory. On Snow Leopard the machine was cold after sleeping overnight. Now, with Mavericks, it is warm.

May 8, 2014 5:17 AM in response to 86macse

Your Mac should not get warm while sleeping. It sounds like something is interrupting sleep. Turn of the "Wake for Network Access" in Energy Saver preferences. See if that improves things.

Also, look through the logs in Console utility, and see what your Mac is doing overnight, and any relevant messages, and the times of those messages.


If it's really a problem, shut it down at night. With OS X's Resume, you'll have all your apps and documents as you left them after restart.

May 8, 2014 7:17 PM in response to benwiggy

I turned off the "Wake for Network Access".


In the console log, later on I got this message: 5/8/14 8:13:41.150 PM ReportCrash[2422]: Invoking spindump for pid=2418 wakeups_rate=169 duration=267 because of excessive wakeups


Yes, we could shut it down, but I thought Mavericks was an Upgrade to Snow Leopard. With regard to energy saving it is downgrade!


Yes, I could shut it down, but having the computer sleep and not have to shut down and restart over and over was very nice.

May 8, 2014 7:21 PM in response to 86macse

86macse wrote:


Yes, we could shut it down, but I thought Mavericks was an Upgrade to Snow Leopard. With regard to energy saving it is downgrade!


Yes, I could shut it down, but having the computer sleep and not have to shut down and restart over and over was very nice.

It isn't an upgrade so much as it is a big change. Not all of the change is for the better. There are too many issues for me to even consider abandoning Snow Leopard.

May 9, 2014 7:15 AM in response to 86macse

Open Console and select All Messages from the log list (click the Show Log List button if it is not shown).

In the Search field, type wake reason

Look at the results for the Wake Reason

Post what you find.

http://osxdaily.com/2010/07/17/why-mac-wakes-from-sleep/


I think I have seen posts about bluetooth keyboards waking the Mac incessantly, but I've never had that problem with my Mini. If the Wake Reason is EHC, it may be the bluetooth keyboard. Try turning it off at night and see what happens.

If it is the keyboard, you might search here for solutions to that.

My troubleshooting would include re-pairing the keyboard to the Mac and changing the batteries.

May 9, 2014 1:14 PM in response to Barney-15E

I have appreciated all your comments and suggestions: I happened upon a mac pro discussion -- https://discussions.apple.com/thread/5514835?start=0&tstart=0 -- right in the system preference for sharing in black in white, "Computers connected to AC won't sleep when internet sharing is turned on."


That is all it took, with sharing turned off, computer now sleeps cold. I take back my rants about Mavericks... :-)

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Snow Leopard vs Mavericks sleep quality

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