On Mar 16, 2011, at 11:23, Jean-Daniel Dupas wrote: > > Le 16 mars 2011 à 19:00, Laurent Daudelin a écrit : > >> On Mar 16, 2011, at 09:35, Matt Gough wrote: >> >>> On 16 Mar 2011, at 15:32, Kyle Sluder wrote: >>> >>>> On Wed, Mar 16, 2011 at 5:37 AM, Matt Gough <mgo...@humyo.com> wrote: >>>>> So it seems that something else is preventing idle sleep, but I've no >>>>> idea how to find the culprit. Is there some defaults setting I can use >>>>> that will log what the OS wants to do at sleep time and what is blocking >>>>> it? >>>> >>>> According to the I/O Kit Power Management Release Notes, `pmset -g` >>>> should list all outstanding power management assertions. >>>> http://developer.apple.com/library/mac/#releasenotes/Darwin/RN-IOKitPowerManagment/_index.html >>>> >>>> I'd say try that and see if it tells you who's preventing system sleep. >>>> >>>> --Kyle Sluder >>> >>> >>> Thanks to everyone for the suggestions so far. >>> >>> Alas, pmset -g it doesn't show any active assertions (I know it can do as I >>> slapped one in my code and it showed up). >>> >>> I have also tried turning off ttyskeepawake, but to no avail. >>> >>> I didn't mention in my previous email that I have no problem with display >>> sleep working correctly, its just idle sleep that is misbehaving. >>> >>> Looking through the logs, I can't see any power related ones. >>> >>> Apart from user interactions, what other sorts of activity automatically >>> prevent idle sleep? >> >> Many things can prevent sleep. On my MacBook Pro, when I do a clean install >> and don't run too many applications (Mail, Safari, iChat, Skype), the system >> will sometimes go to sleep according to my settings in Energy Saver. As soon >> as I start running additional processes like Growl or DropBox, the system >> will not go to sleep under any circumstances, even when running on battery. >> I think the problem is in the system. I did file a bug on this over a year >> ago. It was declared a duplicate of another and dev support told me it was a >> known issue. I checked the status a couple of months ago and it was still >> open. When I checked with them, they told me it was still being work on. >> That tells me that the engineers just simply gave up on Snow Leopard and are >> spending almost all their time on Lion. Still, that's a bit upsetting to >> have a laptop that won't go to sleep because there are a few processes >> running. What's the purpose of having a sleep feature if you have to quit >> all running processes? >> >> And before someone says "you probably have something that keeps the system >> active", I went through a lot of analysis with developer support, providing >> them many pmset and console logs and among all processes that were running, >> there wasn't one keeping the system busy. > > Just calling UpdateSystemActivity() once every minute is enough to prevent > sleeping. no need to keep the system busy nor to install PMNotification > visible in pmset. > And checking if a running process call this function from time to time it is > not trivial. > > -- Jean-Daniel
Using a tool like "otool", wouldn't someone be able to find that symbol in a given binary? -Laurent. -- Laurent Daudelin AIM/iChat/Skype:LaurentDaudelin http://www.nemesys-soft.com/ Logiciels Nemesys Software laur...@nemesys-soft.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
