iMac constantly waking up

[yellowscreen]

iMac 2012, fusion drive, both WoNetworkAccess and App nap are active. Im mostly concerned my HDD is gonna die waking up all the time.

This is the wake reasons log:

2018-02-02 03:56:09.427661+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 03:56:09.427663+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:00:28.347541+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:00:28.347544+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:04:47.318443+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:04:47.318445+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:09:09.231952+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:09:09.231954+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:13:27.049277+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:13:27.049279+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:17:44.539583+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:17:44.539585+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:22:03.730087+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:22:03.730089+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:26:27.015284+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:26:27.015286+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 04:30:43.227408+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 04:30:43.227410+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 05:01:21.141898+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.SleepTimer (SleepTimer)

2018-02-02 05:01:21.141900+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.SleepTimer (SleepTimer)

2018-02-02 05:07:20.879256+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 05:07:20.879259+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 05:37:49.846811+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 05:37:49.846813+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 06:08:29.717747+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 06:08:29.717749+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 06:39:12.899056+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 06:39:12.899058+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 07:06:26.913157+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 07:06:26.913159+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 07:37:07.858914+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 07:37:07.858916+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 08:07:55.417941+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 08:07:55.417943+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 08:38:35.304244+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 08:38:35.304246+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 09:09:14.751810+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 09:09:14.751812+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 09:26:11.448961+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 09:26:11.448963+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 09:33:09.148667+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 09:33:09.148669+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 10:03:54.384095+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 10:03:54.384096+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 10:34:34.659886+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 10:34:34.659888+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 10:48:27.827193+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 10:48:27.827195+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: RTC (Alarm)

2018-02-02 11:19:08.958883+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 11:19:08.958885+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: ARPT (Network)

2018-02-02 11:33:53.500598+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EHC1

2018-02-02 11:33:53.500600+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EHC1

first, im gonna try experimenting with WoNA and app nap, but im hoping for a better solution, since i wouldnt like losing those functions and it didnt behave this way before, only since installing high sierra

any insight would be greatly appreciated, thank you

 

[BugeyeSTI]

Mine is doing this also. I always thought it was my time machine backup but, I shut off time machine to experiment and it still happened. The only thing that made it quit was shutting off wake for network access. After turning this off, l have not had one incident..

 

[jeyf]

clean house on some of the unused applications
remove auto updates, gps tracking reports

this sounded interesting:
http://osxdaily.com/2013/06/07/watch-network-traffic-mac-os-x-nettop/

prevent out going traffic
radio silence

 

[neliason]

Mine is waking up way too much due to rapportd as I detailed below. You can see how I diagnosed it. I submitted a bug to Apple back then, but they haven’t acknowledged it. It is very frustrating.

https://forums.macrumors.com/threads/imac-waking-up-frequently-due-to-rapportd-on-10-13-2.2094270/

 

[Gregg2]

The usual suspect: something that runs in the background eventually hits something that wakes up the screen.

Immediate, sure fire solution: If you're not going to use it, turn it off. Yeah, yeah, I know; many people think that produces more wear and tear on the drive. I've never seen hard evidence of this. By that I mean actual test results on multiple Macs over a period of several years being shut down every 24 hours or more vs. multiple Macs that are only put to sleep. Absent that, such a contention is a conclusion drawn from a theory. It might be a great theory in general, but if the "damage" inflicted is not perceptible, then does that tree in the woods really make a sound?

I've always shut down my Macs, and have always replaced them because of software issues. (keeping up with "advances", mostly having to do with browsers)