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the_0ne Author

Level 1

23 points

M1 Macbook Air Crashes on Wake ONLY after Time Machine Backup

MacBook Air (M1, 2020)

8GB RAM/512 GB HD

MacOS Big Sur (11.6.2)

Since I started Time Machine backups, after the backup is finished successfully the machine works fine until I sleep it and wake it from sleep (lift the lid). Within about 45 seconds to a minute it crashes with the pink screen and restarts. Works fine after the restart until that next backup.

I experimented with this and it's definitely after a time machine backup to my external HD. I intentionally did not make a backup for a few weeks and there were no issues. Today I ran a backup, closed the lid, reopened after about 30 minutes and it crashed in 45 seconds again.

I bought this machine around November 2021. I was using it fine for weeks with no issues. I bought an external HD and started to make Time Machine backups and that is when it started. I only run backups randomly since this is my personal machine and not used all that often.

Here is a partial crash backtrace:

panic(cpu 2 caller 0xfffffe002a67adb8): "busy timeout[0], (60s): 'AppleAPFSMediaBSDClient'"

Debugger message: panic

Memory ID: 0xff

OS release type: User

OS version: 20G314

Kernel version: Darwin Kernel Version 20.6.0: Wed Nov 10 22:23:05 PST 2021; root:xnu-7195.141.14~1/RELEASE_ARM64_T8101

Thanks

MacBook Air (2020 or later)

Posted on Jan 24, 2022 11:36 AM

Top-ranking reply

the_0ne Author

Level 1

23 points

Posted on Feb 22, 2022 6:22 PM

Instead of re-installing Big Sur, I upgraded to Monterey. I tried a Time Machine backup and then after it finished I closed the lid. Waited for some time to make sure it went to sleep. Then I re-opened the lid and it did not crash this time.

I will not consider this solved yet though, I'd like to try this at least one more time before I do. I just wanted to report back though on my progress.

Thanks

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M1 Macbook Air Crashes on Wake ONLY after Time Machine Backup

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