What is SOCD report detected: (AP watchdog expired)?

What is SOCD report detected: (AP watchdog expired)? I have only had my Mac Mini a few days, and it has the latest Big Sur updates.


Yesterday, while watching a YouTube video, my Mac Mini restarted, and posted an error, "SOCD report detected: (AP watchdog expired)".


This morning, got to my machine, ready to work, and noticed the unit restarted, and a message was on the screen, 'SOCD report detected: (AP watchdog expired)'.


What does this mean? How do I fix it? Thanks


Posted on Mar 1, 2021 5:25 PM

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Posted on May 23, 2021 5:17 PM

I narrowed this down to the USB-A ports and older USB devices.


I had a USB 4-port hub with a few USB devices attached and it would do it. I took out the hub and just had a 10-year-old USB drive I was using for my TimeMachine backup and it still did it, but less often. I disconnected the USB drive and it hasn't done it for three weeks straight.


I now just hook up the backup drive abou3 times a week just long enough to do a backup and then disconnect it.

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115 replies

Oct 27, 2021 4:59 PM in response to thingo

Tried to exchange the M1 with Apple support in Australia but the problem started about 3-4 weeks after the purchase date & here the full refund period is only 2 weeks.

Then filed a complaint with state consumer affairs who told me Apple were very difficult to deal with & that they would drag the process out.

I am self employed & just dont have the time to stop work & go through the motions, when it reboots I go back to a 10 year old i7 mini which runs very hot but still works.

Yesterday I up dated my M1 mini to Monterey & 4 hours later it rebooted, so they have not  fixed the problem. 

Oct 27, 2021 5:51 PM in response to JPT169First

I decided to ditch the Mini now and maybe try the MBP 16" now that it is is out with the Max chip. The M1 MBP don't seem to have the same issues as the mini. I decided to check with apple to see what they would give me on trade in for my Mini (1TB 16Memory Late 2020) that I bought new 6 months ago. They offered $700 trade value for a less than 6 month old machine that cost me around $1800. And this was if I was purchasing a 3k+ machine. lmao

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What is SOCD report detected: (AP watchdog expired)?

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