Reproducible kernel panic/restart: "program_swap: Async Swap request landing on unsupported platform. Force panic"

[JohnDDuncanIII]

Description of the bug

rdar://FB13695716

I am using a Apple M3 Pro 36GB on Sonoma 14.4 (23E214) while in clamshell mode (lid closed, connected to power source) and connected to an external 1920x1080 acer IPS monitor. I think this might be a hardware issue on the Apple M3 Pro.

My Sublime Text build is 4169.

panic(cpu 1 caller 0xfffffe0013c9d15c): DCPEXT0 PANIC - program_swap: Async Swap request landing on unsupported platform. Force panic

• iomfb_driver(9)
  program_swap: Async Swap request landing on unsupported platform. Force panic

Steps to reproduce

You can force a kernel panic:

1. install latest Xcode/command line tools/“Additional Tools” (from https://download.developer.apple.com/Developer_Tools/Additional_Tools_for_Xcode_15.3/Additional_Tools_for_Xcode_15.3.dmg)
2. launch Quartz Debug and deselect “Enable Vertical Sync” (i.e., disable macOS beamsync/vsync)
3. copy text from Firefox Browser
4. launch Sublime Text 4
5. try to paste text
6. panic, restart

https://youtu.be/zcm0sYtiFxc

I performed this 4 times in a row and macOS panicked and restarted with the error "program_swap: Async Swap request landing on unsupported platform. Force panic" four times in a row.

Expected behavior

The system does not reboot

Actual behavior

The system reboots

Sublime Text build number

4169

Operating system & version

macOS 14.4

(Linux) Desktop environment and/or window manager

No response

Additional information

No response

OpenGL context information

OpenGL Context Information:
  GL API Version: 4.1 Metal - 88
  GLSL Version: 4.10
  Vendor: Apple
  Renderer: Apple M3 Pro

Related

• MacOS DCP PANIC Genymobile/scrcpy#4757
• macOS 14.4 panic when running Zed & Ghostty zed-industries/zed#9493

[BenjaminSchaaf]

Have you reported this to Apple? Kernel panics are always kernel bugs.

[JohnDDuncanIII]

Have you reported this to Apple?

Yep! Please feel free to close if there's nothing to be done on your end! I just wanted to report here as well for the sake of posterity.

rdar://FB13695716.

Kernel panics are always kernel bugs.

I'm also not 100% sure if this is a kernel panic — I had a similar issue while using Kagi's Orion and @vprelovac stated

That is not kernel panic, just an app crash that was caught and handled by OS.

It's been awhile since I've run into this kind of crash and I know macOS has changed a lot since OS X, so I'm not positive about what kind of error this actually is.

[BenjaminSchaaf]

Considering the computer had to be restarted it's certainly a kernel bug if not a panic. Going to close as there's nothing we can do on our end.