Strange issue with restarts at 30% battery level - unsure if software or hardware

[Leon1das]

M1 MBP.
This first happened on Monterey Beta 1, repeated on Beta 2, then I downgraded to BS 11.4 just to eliminate Monterey as a cause, but its still there.

Issue:
Mac runs on battery and when battery is depleted to 30-31%, Mac just freezes, screen goes black. Looks dead for several seconds (non responsive to power button), then either:

1. Mac is dead until I plug in the charger. When I plug it - black screen with red, empty battery appears, and after several seconds it starts booting

or

2. Empty screen with wallpaper appears and with progress bar appears.

In any case - when I am back to desktop, battery shows that its back at 31-32% and it goes back to normal.

Battery health is 100% and I use AlDente on all OSes.

Any suggestion is much appreciated. I would hate to return it - but in this state, it its unreliable as it happened during some important work being interrupted.

 

[smirking]

It's not happening in Big Sur?

 

[Leon1das]

It's not happening in Big Sur?

Its still there...

 

[Leon1das]

Header of the error, following system reboot: happy to send more data of someone knows to read

panic(cpu 2 caller 0xfffffe0024387318): DCP PANIC - set_run_mode_safe: 0x8000000f - iomfb_ap_callee_1(18)
set_run_mode_safe: 0x8000000f
RTKit: RTKit-1558.120.1.debug - Client: local-ipad13dcp.release
Time: 0x00000014350185ae

Faulting task 18 Call Stack: 0x00000000000297e0 0x0000000000029294 0x0000000000015068 0x000000000013d050 0x000000000013885c 0x00000000000b4710 0x00000000001059cc 0x00000000000b4c30 0x0000000000108808 0x00000000001101c0 0x00000000000a74a8 0x00000000000a6a6c 0x00000000000a8480 0x0000000000029c68 0x000000000001a414
RTKit Task List:

 

[Apple_Robert]

I would do a Configurator 2 DFU restore, if possible. If the problem persists, I would contact Apple.

 

[Leon1das]

I would do a Configurator 2 DFU restore, if possible. If the problem persists, I would contact Apple.

Thanks but not possible - as I dont have another Mac.

But I suspect you telling me what I feel - issue could be with Monterey bootloader which persists even following the downgrade to BigSur.

 

[Apple_Robert]

Thanks but not possible - as I dont have another Mac.

But I suspect you telling me what I feel - issue could be with Monterey bootloader which persists even following the downgrade to BigSur.

I think that that is highly possible. And from what I understand, a standard reinstall for M1 Macs won't necessarily solve that kind of problem. Do you have a Apple Store near by?

 

[Leon1das]

I think that that is highly possible. And from what I understand, a standard reinstall for M1 Macs won't necessarily solve that kind of problem. Do you have a Apple Store near by?

Thanks yes - I booked the visit for tomorrow.

 

[Apple_Robert]

Thanks yes - I booked the visit for tomorrow.

I am sure the Genius will get you up and going in no time. Doing that procedure takes me 10 - 13 mins. Good luck tomorrow.

 

[Leon1das]

Mac was DFUed back to BigSur 11.4, and since the problem still persist - I realized the problem could be myself...

I checked AlDente GitHub page and realized they advise doing one full 0-100% charge cycle at least once per month - which I never did in last 7-8 months that I am using the device....

So finally - I am charging it to 100%... first time...??‍♂️

 

[Apple_Robert]

Mac was DFUed back to BigSur 11.4, and since the problem still persist - I realized the problem could be myself...

I checked AlDente GitHub page and realized they advise doing one full 0-100% charge cycle at least once per month - which I never did in last 7-8 months that I am using the device....

So finally - I am charging it to 100%... first time...??‍♂️

Has anyone else running AlDente ever reported the same kind of behavior? It seems rather strange that a battery that wasn't calibrated in many months would cause a reboot.

Did you try running the Apple Diagnostics test, or did the Genius do that already?

 

[Leon1das]

Has anyone else running AlDente ever reported the same kind of behavior? It seems rather strange that a battery that wasn't calibrated in many months would cause a reboot.

Did you try running the Apple Diagnostics test, or did the Genius do that already?

All tests are good....

Reason why I was suspicious of AlDente: each time Mac would shutdown at 30% and reboot - battery would show empty, but then when system is on (and after AlDente boot helper launched) - it would show 30% again...

Today, when the issue reappeared, I turned off AlDente, and battery is charging from 2-3% onwards... as it should be in the case battery was really dead... so my suspicion is that AlDente somehow mishandled SMC over time - and since I time-machined it to every newer OS, it probably persisted...

I should note though that I am using the last free version of AlDente from GitHub, as I do not need other fancy functions - and it worked excellent so far...

 

[Apple_Robert]

All tests are good....

Reason why I was suspicious of AlDente: each time Mac would shutdown at 30% and reboot - battery would show empty, but then when system is on (and after AlDente boot helper launched) - it would show 30% again...

Today, when the issue reappeared, I turned off AlDente, and battery is charging from 2-3% onwards... as it should be in the case battery was really dead... so my suspicion is that AlDente somehow mishandled SMC over time - and since I time-machined it to every newer OS, it probably persisted...

I should note though that I am using the last free version of AlDente from GitHub, as I do not need other fancy functions - and it worked excellent so far...

That does sound like AlDente is the culprit. Thanks for the follow-up.