Thursday, December 19, 2024

show – MBA 2022 crashes with “DCP PANIC – No gadget added after powering on the rails”

My MacBook Air M2 2022 (16G, 512 GB SSD) crashes sporadically beneath sure circumstances. This occurs for instance once I by accident transfer my exterior mouse after closing the lid. If an exterior monitor is linked, it turns again on after which the MacBook restarts after freezing. Afterwards, the error message reads:

panic(cpu 0 caller 0xfffffe00305392a8): DCP PANIC - ASSERT!AppleDCPDPTXPowerController.cpp:538 No gadget added after powering on the rails. HPD=0 - dcpav(27)
ASSERT!AppleDCPDPTXPowerController.cpp:538 No gadget added after powering on the rails. HPD=0
RTKit: RTKit-2419.120.45.launch - Consumer: local-ipad14dcp.RELEASE

The cpu quantity varies.

This may be reliably reproduced by repeatedly hitting Esc on the login display screen. The MacBook switches between hibernation and being awake and crashes after a number of hits.

I’ve already

  • manufacturing facility reset the MacBook,
  • reproduced the problem in protected mode and
  • reinstalled MacOS.

Even after these, the problem nonetheless happens. Straight after the manufacturing facility reset, with out having something exterior ever linked, the problem seems. That is subsequently not associated to the exterior monitor or exterior peripherals.

The present MacOS model is MacOS Sonoma 14.5. It additionally occurred on 14.4. It’s typically unclear when this began as a result of, as talked about above, it solely occurs generally.

Then, I’ve despatched the MacBook in for restore to Apple since I used to be instructed this may very well be a {hardware} difficulty. Within the report, it says that the “Logic Board” and “Contact ID” had been changed. However the difficulty shouldn’t be fastened and I can nonetheless reproduce this.

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