Walk over and wiggled the mouse / pressed the shift key, and voila, the test woke up, and pmset continued, sayingĮssentially a very cold boot, so for each of the 3 machines, I shut down, pulled power cord, pressed power button to get it to drain the caps, waited 2 minutes, plugged in power cord, and turned back on. Time Action Type PID(Causing PID) ID Name Showing assertion changes(Press Ctrl-T to log all currently held assertions): Pid 52(powerd): 00:06:01 NetworkClientActive named: "" Pid 366(caffeinate): 03:16:41 UserIsActive named: "caffeinate command-line tool" Pid 366(caffeinate): 03:16:41 PreventSystemSleep named: "caffeinate command-line tool" Timeout will fire in 60198 secs Action=TimeoutActionRelease Localized=THE CAFFEINATE TOOL IS PREVENTING SLEEP. Pid 366(caffeinate): 03:16:41 PreventUserIdleSystemSleep named: "caffeinate command-line tool"ĭetails: caffeinate asserting on behalf of 'sh' (pid 365) This can result in overheating or damage to mechanical hard drives.15:57:23 -0800 : Showing all currently held IOKit power assertions While Apple laptops are designed to operate in "closed-display mode", Fermata makes it easier to accidentally toss a running laptop into your bag. This software disables your Lid Close Sensor. I've filed rdar://35954315 for a public API solution to this problem. Fermata 1.0īy examining Apple's IOKitUser and PowerManagement projects, I learned of a private key ( kIOPMAssertionAppliesOnLidClose) which can be used in conjunction with IOPMAssertionDeclareUserActivity() to prevent Lid Close sleep. Fortunately, lozzd suggested the pmset -b disablesleep 1 command, which Fermata now uses. In a macOS 10.13 update, Apple protected the private kIOPMAssertionAppliesOnLidClose with the .assertonlidclose restricted entitlement. It could break in the future it could cause your computer to explode it could cause the Apple Power Management Team to show up at my doorstep and angrily chastise me etc. Note: this is private SPI and is unsupported by Apple. For these apps, use the "is running" option rather than "is preventing Idle Sleep". Some applications may not properly prevent Idle Sleep. Fermata sees this and re-enables Lid Close Sleep. When Embrace stops playing audio, it once again allows Idle Sleep. Fermata sees this prevention and "upgrades" it to also prevent Lid Close Sleep. When Embrace starts to play audio, it prevents Idle Sleep via a call to. By default, Fermata is configured to work with Embrace (my DJ app).
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