Tengo un iMac 5k de 2017, con la última versión de Mojave (10.14.6). He notado en algunas ocasiones, a veces poco después de dormir manualmente la máquina, a veces en medio de la noche, que la luz de fondo está encendida pero la pantalla está negra.
La siesta de energía está desactivada, según las preferencias del sistema. pmset -g
tiene que informar de lo siguiente:
$ pmset -g
System-wide power settings:
Currently in use:
Sleep On Power Button 1
autopoweroff 1
standbydelayhigh 86400
autopoweroffdelay 28800
proximitywake 1
standby 1
standbydelaylow 0
ttyskeepawake 1
hibernatemode 0
powernap 0
gpuswitch 2
hibernatefile /var/vm/sleepimage
highstandbythreshold 50
displaysleep 3
womp 0
networkoversleep 0
sleep 0 (sleep prevented by sharingd)
halfdim 1
autorestart 0
disksleep 10
Sucedió anoche. Al ejecutar el siguiente comando se produjo la siguiente salida, que por desgracia es muy amplia:
log show --info --debug --last 24h --predicate 'subsystem == "powerd"'
2019-08-24 21:26:43.082610+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] Entering Sleep state due to 'Software Sleep pid=101'
2019-08-24 21:26:43.082678+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] connectionFireNotification: 0x0
2019-08-24 21:26:58.623432+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process apsd.84 Released InteractivePushServiceTask "com.apple.apsd-requestkeepaliveproxy-push.apple.com" age:00:00:15 id:77309453878 [System: DeclUser BGTask IntPrevDisp IPushSrvc kDisp]
2019-08-24 21:27:00.621041+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] No AdaptiveWake is requested. InactivityEnd:Sun Aug 25 09:00:00 2019 PowerNap State:0
2019-08-24 21:27:00.621252+0100 0x24d Default 0x0 64 0 powerd: [powerd:adaptiveDisplay] Denying sensor tracking as system is not in user-active window. Active window start:'Sat Aug 24 14:00:00 2019' end:'Sat Aug 24 21:00:00 2019'
2019-08-25 05:27:03.992186+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] No need to refresh inactivity prediction: phase=0, start=0.000000, now=588400023.992176
2019-08-25 05:27:04.161976+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] sendNoRespNotification: 0x8019
2019-08-25 05:27:04.163112+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] Updating wake start timestamp to 701616146093879
2019-08-25 05:27:04.989453+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] Updating wake end timestamp to 701629912693660
2019-08-25 05:27:04.989540+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] vm.darkwake_mode: 0 -> 1
2019-08-25 05:27:05.003542+0100 0x24d Default 0x0 64 0 powerd: [powerd:adaptiveDisplay] Denying sensor tracking as system is not in user-active window. Active window start:'Sat Aug 24 14:00:00 2019' end:'Sat Aug 24 21:00:00 2019'
2019-08-25 05:27:05.005255+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] DarkWake from Standby [CDN] due to EC.SleepTimer/SleepTimer:
2019-08-25 05:27:05.016347+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] <private>
2019-08-25 05:27:07.487909+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] sendNoRespNotification: 0x19
2019-08-25 05:27:07.489211+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process powerd.64 Created InternalPreventSleep "com.apple.powermanagement.acwakelinger" age:00:00:00 id:55834617406 [System: PrevIdle DeclUser BGTask SRPrevSleep IntPrevDisp kCPU kDisp]
2019-08-25 05:27:07.489736+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process mDNSResponder.188 Created MaintenanceWake "mDNSResponder:maintenance" age:00:00:00 id:55834617407 [System: PrevIdle DeclUser BGTask SRPrevSleep IntPrevDisp kCPU kDisp]
2019-08-25 05:27:08.487787+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process mDNSResponder.188 Released MaintenanceWake "mDNSResponder:maintenance" age:00:00:00 id:55834617407 [System: PrevIdle DeclUser BGTask SRPrevSleep IntPrevDisp IPushSrvc kCPU kDisp]
2019-08-25 05:27:12.625480+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] Updating wake start timestamp to 701615842166072
2019-08-25 05:27:23.860200+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process timed.88 Released NoIdleSleepAssertion "com.apple.timed.settimeofday" age:00:00:11 id:4295009861 [System: DeclUser SRPrevSleep IntPrevDisp IPushSrvc kCPU kDisp]
2019-08-25 05:27:46.458178+0100 0x24d Default 0x0 64 0 powerd: [powerd:systemLoad] Activity changes from 0x0 to 0x10. UseActiveState:0
2019-08-25 05:27:46.458179+0100 0x24d Default 0x0 64 0 powerd: [powerd:systemLoad] hidActive:0 displayOff:1 assertionActivityValid:0 now:0x187b07 hid_ts:0x180a38 assertion_ts:0x180a38
2019-08-25 05:27:46.458473+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] vm.darkwake_mode: 1 -> 0
2019-08-25 05:27:46.458554+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process iTunes.782 Created NetworkClientActive "com.apple.iTunes.server" age:00:00:00 id:73014486606 [System: DeclUser SRPrevSleep IntPrevDisp NetAcc kCPU kDisp]
2019-08-25 05:27:52.794612+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process powerd.64 TimedOut InternalPreventSleep "com.apple.powermanagement.acwakelinger" age:00:00:45 id:55834617406 [System: DeclUser SRPrevSleep IntPrevDisp NetAcc kCPU kDisp]
2019-08-25 05:27:52.794641+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Summary- [System: DeclUser IntPrevDisp NetAcc kCPU kDisp]
2019-08-25 05:29:01.189045+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process powerd.64 TimedOut InternalPreventDisplaySleep "com.apple.powermanagement.delayDisplayOff" age:08:02:41 id:68719511265 [System: DeclUser IntPrevDisp NetAcc kCPU kDisp]
2019-08-25 05:29:09.157592+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process hidd.107 TimedOut UserIsActive "com.apple.iohideventsystem.queue.tickle.4294968485.17" age:08:02:41 id:38654748171 [System: DeclUser NetAcc kCPU kDisp]
2019-08-25 05:29:09.157733+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Summary- [System: NetAcc kCPU]
2019-08-25 05:31:31.081912+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process coreaudiod.146 Released PreventUserIdleDisplaySleep "com.apple.audio.context984.preventuseridledisplaysleep" age:19:45:43 id:21474877560 [System: NetAcc kCPU]
2019-08-25 05:31:31.081998+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process coreaudiod.146 Released PreventUserIdleSystemSleep "com.apple.audio.context984.preventuseridlesleep" age:19:45:43 id:4295008375 [System: NetAcc kCPU]
2019-08-25 05:31:31.402776+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process coreaudiod.146 Released PreventUserIdleDisplaySleep "com.apple.audio.AppleHDAEngineOutput:1F,3,0,1,1:0.context.preventuseridledisplaysleep" age:08:15:17 id:21474878907 [System: NetAcc kCPU]
2019-08-25 05:31:31.402870+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process coreaudiod.146 Released PreventUserIdleSystemSleep "com.apple.audio.AppleHDAEngineOutput:1F,3,0,1,1:0.context.preventuseridlesleep" age:08:11:12 id:4295009722 [System: NetAcc kCPU]
2019-08-25 05:37:46.575541+0100 0x24d Default 0x0 64 0 powerd: [powerd:systemLoad] Activity changes from 0x10 to 0x0. UseActiveState:0
2019-08-25 05:37:46.575541+0100 0x24d Default 0x0 64 0 powerd: [powerd:systemLoad] hidActive:0 displayOff:1 assertionActivityValid:0 now:0x187d5f hid_ts:0x180a38 assertion_ts:0x180a38
2019-08-25 05:37:46.575752+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process iTunes.782 Released NetworkClientActive "com.apple.iTunes.server" age:00:10:00 id:73014486606 [System: BGTask]
2019-08-25 05:37:46.585415+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] chooseStandbyDelay(): lowBattery = false, battery powered = false, capacity=0, lowBatteryThreshold=0; chosen delay=86400
2019-08-25 05:37:46.585771+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] Eligible for Standby: 0
2019-08-25 05:37:46.585772+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] standbyDelay:86400 eligibleForStandby:0 elapsedTime:0 gDelta2Standby:86400
2019-08-25 05:37:46.585808+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] Entering Sleep state due to 'Maintenance Sleep'
2019-08-25 05:37:46.585880+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] connectionFireNotification: 0x0
2019-08-25 05:38:02.473302+0100 0x24d Default 0x0 64 0 powerd: [powerd:assertions] Process apsd.84 Released InteractivePushServiceTask "com.apple.apsd-requestkeepaliveproxy-push.apple.com" age:00:00:15 id:77309453923 [System: IPushSrvc]
2019-08-25 05:38:04.473121+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] No AdaptiveWake is requested. InactivityEnd:Sun Aug 25 09:00:00 2019 PowerNap State:0
2019-08-25 05:38:04.473275+0100 0x24d Default 0x0 64 0 powerd: [powerd:adaptiveDisplay] Denying sensor tracking as system is not in user-active window. Active window start:'Sat Aug 24 14:00:00 2019' end:'Sat Aug 24 21:00:00 2019'
2019-08-25 13:38:29.234771+0100 0x24d Default 0x0 64 0 powerd: [powerd:sleepWake] Updating wake start timestamp to 702289109010035
Algunos detalles clave, creo:
- La siesta de energía está desactivada
- El archivo de registro habla de 'DarkWake` - ¿es el nombre interno de Power Nap o algo más?
- La vigilia es casi exactamente 8 horas después del sueño.
pmset -g
revelaautopoweroffdelay
se ajusta a eso (28.800s), pero los significados no coinciden. - Otros con problemas similares a lo largo de los años ( 1 , 2 ) no parecen haber encontrado una resolución.
No me sirve de nada que se despierte (la unidad TimeMachine está desconectada), así que evitarlo por completo es tan bueno como que deje de iluminar la pantalla.