I'm able to get this to reproduce faster through setting negative values in curve optimizer. With no PBO curve offset it happens after 7 or more days of uptime. With -12 it happens in 3-5 days. With -20 it happens in about a day. I haven't experimented with positive CO values yet.
I don't...
Getting this with a 7800x3d. My computer is set to never sleep, windows fast boot is off, and it has been on for ~7 days currently. ASRock x670e pg lightning with 1.28 bios from july 28th (comboam5 1.0.0.7b) and windows 11.