12.2 update broke sleep

Another report of sleep/wake broken post the 12.2 update.


Did a bunch of troubleshooting but the workaround is to shut off my Apple Trackpad right after triggering sleep.


pmset shows a log full of these as the reason:

2022-01-28 12:40:00 -0500 DarkWake DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 45 secs

iMac 27″, macOS 12.2

Posted on Jan 28, 2022 10:40 AM

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3 replies

Feb 6, 2022 3:32 AM in response to schwartzki

I noticed this too, since the macOS 12.2 update my Intel-based 2019 iMac wakes up from sleep every minute, then seemingly goes back to sleep, then wakes up again, in 1-minute cycles.


Looks like it's some peripheral, potentially Bluetooth related. The only BT devices connected are the Apple keyboard and mouse that came with the iMac. I tried an SMC reset but didn't help.


$ pmset -g |grep "sleep prevented"
 sleep                60 (sleep prevented by bluetoothd)


I see a bunch of these sections in pmset -g log


2022-02-06 21:58:10 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 43 secs
2022-02-06 21:59:10 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 46 secs
2022-02-06 22:00:35 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 47 secs
2022-02-06 22:01:52 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 45 secs
2022-02-06 22:02:45 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 45 secs
2022-02-06 22:03:38 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 46 secs
2022-02-06 22:04:35 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 45 secs
2022-02-06 22:05:27 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 46 secs
2022-02-06 22:06:25 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 45 secs
2022-02-06 22:07:17 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 46 secs
2022-02-06 22:08:10 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 45 secs
2022-02-06 22:09:04 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 46 secs
2022-02-06 22:09:57 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 46 secs
2022-02-06 22:10:56 +1100 DarkWake            	DarkWake from Normal Sleep [CDN] : due to EC.DarkPME/Maintenance Using AC (Charge:0%) 46 secs

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12.2 update broke sleep

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