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OS X Mavericks Taps Ambient Light Sensors to Detect Motion and Prevent System Sleep

coolfactor said:
It's easy to throw blame when you don't know what you're talking about, eh? :rolleyes:
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Blame? I don't think he was blaming or accusing anything/anyone. How about not reading pretense that isn't there with an unnecessary snarky comment followed by the always lovely rolling eyes?

It never ceases to amaze and depress me how many use the anonymity of the internet to treat others with such disrespect. If you wouldn't say it to a complete stranger in person, then don't write it out online. Treat others how you would appreciate being treated. If they are mistaken, help them out politely without insulting their intellect or otherwise.
 
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litmag01 said:
Totally agree. Then the question is how woud a given device distinguish between a user and an automated process, especially when threads are all over the place initiated by apps?
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It is up to App developer to set sleep assertion in OSX. Many Apps are doing this like Movist (playing movie) and etc. It just many console app have no clue and most browsers even more dumb in this respect. How it is even possible be more dumb over already dumb console apps ;-)

Mac OSS assertions For example:
Code: 
pmset -g assertions
11/1/13, 2:15:00 PM EDT  
Assertion status system-wide:
   BackgroundTask                 0
   PreventDiskIdle                0
   ApplePushServiceTask           0
   UserIsActive                   0
   PreventUserIdleDisplaySleep    0
   InteractivePushServiceTask     0
   PreventSystemSleep             0
   ExternalMedia                  0
   PreventUserIdleSystemSleep     0
   NetworkClientActive            1
Listed by owning process:
   pid 16(powerd): [0x0000001200000172] 00:00:04 NetworkClientActive named: "com.apple.powermanagement.ttyassertion"
 
djtech42 said:
It should automatically disable sleeping in those cases though.
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It's up to the developer and who clever / lazy / annoying they are.

The app developer can very easily force the Mac to stay awake, and a good developer would do that in situations where it is reasonable to assume that the user doesn't want the Mac to go to sleep.
 
fivedots said:
I've never seen this on an iMac or Macbook - are you sure your movement isn't vibrating the mouse a tiny bit?
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Nono, the lamp is on the other side of the room (bedlamp). It happens in both OSX and Windows 7, can't remember if my previous iMac did the same thing.

Part of me thinks it might be emitting a RF that wakes it up.
 
Rarely, in the past, I've walked into a room and had some Mac displays turn on without actually touching the mouse or keyboard. Literally, as soon as I walked in... it was... weird and cool at the same time. Still don't know how it happened.
 
Dagless said:
Nono, the lamp is on the other side of the room (bedlamp). It happens in both OSX and Windows 7, can't remember if my previous iMac did the same thing.

Part of me thinks it might be emitting a RF that wakes it up.
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I've seen a similar thing on my 2010 iMac. I put the iMac to sleep manually, and then at the wall socket or on the powerboard, switch off power to a different device (like a printer or the stereo something), and the stupid iMac would wake up again, without me having disturbed the keyboard or mouse at all.
 
Small White Car said:
How's it work? Can it be activated with a single click at ANY time no matter what's already on the screen?

If so, cool. I didn't know that.

If not, no, that's not the same thing at all.
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I am talking about Macs/PCs going to sleep while something is downloading/being installed.
 
MrX8503 said:
How about we have the Mac not go to sleep when you're downloading something or encoding a video?

That would be really helpful.
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Hmm? Doesn't it automatically wait for your download or render/cpu task to finish by default before sleeping? I swear it's always done this for me, and I have it on 10 minutes idle before sleeping...
 
Small White Car said:
Dave?

Dave, are you awake?

"Ugh, just go to sleep."

I'm sorry, Dave. I can't do that.

Why are you not typing on my Dave?

I know you're awake...
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You mean Neo ;)
 

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k1121j said:
now my 2012 15 MBP does not go to sleep at all i have checked all settings and can't figure it out :(
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I use this command -
pmset -g assertions

Had a similar issue of computer not sleeping for a while.. turned out to be bluetooth related.
 
That's impressive.

Like a lot of Apple ideas that's practical and innovative. I'm not too crazy about the look and feel of mavericks though.
 
This is TIM COOK's version of "INNOVATION."

Says it all really about the sad state of affairs at Apple under Tim Cook......
 
Swordylove said:
Are you kidding me with that menu bar? :eek:
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I don’t know, are you laughing? :D

Er, what’s wrong with it ... now I’m all self-conscious ...

(I did swap that battery meter for the native one, forgot why I was using that, but it may have been a L/ML layover, don’t need it with Mavs)
 
oh right.... so its "neat" feature when changes in ambient light and doesn't go to sleep, but its the most annoying thing of downloading and going to sleep is the users responsibility ?

Does not compute !! lol

Seems to me if a Mac can see the user is downloading and prevent sleep during, would have beer a better thin everyone could be proud of without the need to manually say "oh shoot, i need to adjust my Energy saver settings" because my mac is so stupid to *do this automatically*

But it can prevent it from sleeping when it detects ambient light changes....


Oh .. that's much more better :p .. I'm not saying it useless, just no one thought of automatically preventing sleep during a large download..

*end of rant*
 
So can someone confirm to me that it's the download manager/app that decides to prevent the Mac from sleeping? So then I guess if I download from Safari or App Store (since they're Apple's apps), I can just leave it without disabling Sleep mode manually?


D.T. said:
I don’t know, are you laughing? :D

Er, what’s wrong with it ... now I’m all self-conscious ...

(I did swap that battery meter for the native one, forgot why I was using that, but it may have been a L/ML layover, don’t need it with Mavs)
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Nothing wrong... It just seems to me there are so many icons. Maybe it's normal for most Mac users, and I was overreacting a bit. Sorry. :p
 
Swordylove said:
Nothing wrong... It just seems to me there are so many icons. Maybe it's normal for most Mac users, and I was overreacting a bit. Sorry. :p
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Hahaha, I hope you didn’t feel bad, I didn’t (thought it was funny). Yeah, some folks get a lengthy menu bar because of various utils, services and whatnot (FYI, that wasn’t even the whole thing I truncated it before my name/spotlight/notification icons).

I do some development work so I have things like Anvil running, and at the time, a Postgres (DB) server, “must have” utilities like gfxCS, BTT, Numi, Clip Menu, plus all the standard OSX services like TM, BT, WiFi.

Rock on. :cool:
 
MythicFrost said:
Rarely, in the past, I've walked into a room and had some Mac displays turn on without actually touching the mouse or keyboard. Literally, as soon as I walked in... it was... weird and cool at the same time. Still don't know how it happened.
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My guess would be that there was *just* enough flex in the floor (depending on precisely where you walked) to cause enough vibration for the mice to register movement.

That or ghosts. :eek:
 
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