same issue happened to me, even i have installed Mac OS 26.5.1, is to going to beta verion?
macbook pro m5 pro, tonight happened 3 times, 2 time only in 5 minutes.
Gemini Check for logs:
This is a hardware-related kernel panic. The log pinpoints a specific error inside the silicon of your Mac's Apple Silicon chip.
Here is the exact breakdown of what happened and what you need to do next.
The Smoking Gun: What the Log Says
The critical line is right at the top:
panic(cpu 9 caller 0xfffffe003fa8fb54): LLC single-bit ECC counter overflow error... (LLC correctable overflow)