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I've had this Mac on Catalina 10.15.5 for a few weeks now and suddenly noticed this battery drain overnight. It went from 60% to 3% two nights ago and happening last night too. After doing some digging I noticed that com.apple.alarm.user-visible-com.apple.remindd.time-alarm seems to be waking up the Mac every few secs. Googling it says that it's related to scheduled reminders which I have a few of but disabling those hasn't helped either. I've attached a snippet of the pmset log below. Basically these set of lines repeat all night, even when the lid is shut. Can someone please help?

2020-06-26 13:30:24 +0530 Sleep                 Entering Sleep state due to 'Maintenance Sleep':TCPKeepAlive=active Using Batt (Charge:100%) 76 secs   
2020-06-26 13:30:29 +0530 Wake Requests         [*process=mDNSResponder request=Maintenance deltaSecs=2562 wakeAt=2020-06-26 14:13:11] [process=powerd request=TCPKATurnOff deltaSecs=40962 wakeAt=2020-06-27 00:53:11] [process=powerd request=UserWake deltaSecs=19771 wakeAt=2020-06-26 19:00:00 info="com.apple.alarm.user-visible-com.apple.remindd.time-alarm,326"]           
2020-06-26 13:30:29 +0530 PM Client Acks        Delays to Sleep notifications: [com.apple.apsd is slow(1965 ms)] [mDNSResponder is slow(5016 ms)]           
2020-06-26 13:31:38 +0530 Kernel Client Acks    Delays to Sleep notifications: [powerd is slow(5020 ms)] [AppleUSBVHCIBCE driver is slow(msg: SetState to 1)(311 ms)] [AppleIntelFramebuffer driver is slow(msg: SetState to 0)(357 ms)] [ATY,Boa driver is slow(msg: SetState to 0)(353 ms)] [RP01 driver is slow(msg: SetState to 0)(1015 ms)]           
2020-06-26 13:31:40 +0530 Kernel Client Acks    Delays to Wake notifications: [RP17 driver is slow(msg: SetState to 2)(738 ms)] [UPSB driver is slow(msg: SetState to 2)(955 ms)] [UPSB driver is slow(msg: SetState to 2)(953 ms)] [PEG0 driver is slow(msg: SetState to 2)(498 ms)]

I also noticed that certain scheduled tasks are listed multiple times in the System Information > Power > Next Scheduled Events?

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2 Answers 2

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Start Terminal.app and check if there are any scheduled events

pmset -g sched

and try to clear them with

sudo pmset sched cancelall

You might also want to check the file that stores the times the Mac should wake up for some maintenance. The appropriate commands would be:

defaults read /Library/Preferences/SystemConfiguration/com.apple.AutoWake.plist

and

sudo rm /Library/Preferences/SystemConfiguration/com.apple.AutoWake.plist

In case any of those are corrupted, maybe deleting them might help.

0

Try to drop powernap first, sounds like a culprit to me. I mean try to cycle it off/on and rebooting if you really use it otherwise make sure it's off

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  • I don't use PowerNap and have it off for both battery and Power Adapter. Every log entry seems to reference this process com.apple.alarm.user-visible-com.apple.remindd.time-alarm which is apparently related to the reminders app.
    – radicalgel
    Jun 28, 2020 at 11:28
  • I got it, try sudoing pmset to defaults and then disable powernap again
    – PJJ
    Jun 28, 2020 at 11:32
  • What would the command be to restore to defaults? Wouldn't the restore defaults in Energy Saver do the same thing?
    – radicalgel
    Jun 28, 2020 at 11:39
  • Try sudo pmset and take a look at man pmset
    – PJJ
    Jun 28, 2020 at 11:41
  • Issue persists even with PowerNap disabled
    – radicalgel
    Jun 29, 2020 at 8:31

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