Safe Sleep?
February 14th, 2007Research:
Silvermac.com (found via MacRumors forum thread)
Safe Sleep tips from Macworld’s Mac 911 blog
The Intel-powered Apple laptops (and the last G4 PowerBooks) have a feature that Apple calls Safe Sleep. Windows laptop users know this as Hibernation. My iBook would sleep immediately when shut and come awake upon opening. It did not hibernate or Safe Sleep, near as I can tell. I never noticed or cared. It just worked. I could close it and put it in a bag or move it without worry. Since I got a MacBook Pro for doing freelance work, the damn thing restarts if I close the lid and do anything with it. When I would open the lid I would see the login screen. At first I thought this was random. Research and subsequent actions have proved that it is not random in the least. If I move the laptop too soon after closing it, it will restart. If I wait until the LED on the front pulses, I can move it with relative impunity.
The benefits to me of a hibernation mode are meager. While I can swap a battery in this mode, I don’t own two batteries for the machine and since it’s my main machine, I’m never away from it for days at a time. If I was going to be, I’d shut it down. So I’m wondering if it’s worth it to change the settings via Terminal to turn off Safe Sleep? Anybody? Will it improve the time to sleep or should I just nut it up and wait for the pulsing LED magic?
This is what a father researches in the seventeenth hour of Barf Watch 2007. o
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February 14th, 2007 at 7:52 pm
I’ve had nothing but problems with sleep on my macbook pro. I’ve tried the terminal trick, including the one to disable writing out the contents of ram to the disk (when you have 2 gigs of ram, this can take a while), and still no fix. Do you also get much longer pauses before picking up wireless after waking from sleep?
I love just about everything on my new macbook pro, but the sleep issues are a disappointment.
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February 15th, 2007 at 11:57 pm
I did a few tests with my MacBook Pro (15.4in/ 2 Gb delivered in May 06) and had an average sleep time of under 9 sec. It obviously varied based on workload (the highest time was w/ Aperture/Word/PP/Entourage/Safari/iTunes all running) but was never a burden like an Oh-God-kill-me winblows shutdown.
Long story short? Shut ‘er down, grab a glass of water while waiting for the reassuring glow of sleep then rest easy. Water is good for you.
February 16th, 2007 at 12:05 am
Joh3n, the wifi is a little slow, but not quite enough to worry me. I haven’t had any other major issues besides the shut lid restart.
Doggiedaddy, yes. I think this will be my approach for now. Drink water and wait. Doesn’t always work with a 3 year old, but I’ll figure it out.
To anybody else who was able to comment and has had their comment not show up, I didn’t delete it. I just changed systems so that people could leave a comment. I apologize for the disappearance and hope nobody is too upset. Maybe some water would do us all some good?
February 16th, 2007 at 1:00 am
True, true. Although, if Leta makes you SCRAM the computer you’ll probably have a few minutes before you fire it back up. My point was the age old “patience is a virtue” thing. Not a believer before but now w/ a 8 week old, I’m sold..