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Kernel 41

AMDH2o
Level 7

I have been dealing with this kernel 41 and first i had to buy new psu and it didnt fix the problem and then second i buy new ram because first one are DDR5 5600 and i thought it was because of 5600 and i brought DDR5 5200 and it didnt fix the problem and then i buy new motherboard and it didnt fix the problem and lastly now i am waiting for new AMD Ryzen 9 9900x.

But now today i found out what is really causing problem because when i am running AIDA64 GPGPU my GPU test finish but i ran into reboot problem when it start to run in AES-256.

So i start to research about AES-256 and found more about AVX-512 and i did remember i saw AVX-512 in my BIOS that was on auto so i disable it and run GPGPU benchmark but only my CPU and it did pass all of them and no more kernel 41.

The whole problem started when i enter YouTube.com in any browser Chrome/Edge/Brave/Opera/Firefox my windows will reboot right away and event viewer is full of kernel 41 because i have been testing so many setting to try to fix my problem.

So anyone who have this kernel 41 problem try to disable AVX-512 in your BIOS.

It's unusual for AVX-512 to be enabled on an AMD Ryzen 9 7950X3D, as AMD processors typically do not support AVX-512 natively—this feature is more common on high-end Intel processors. If AVX-512 was somehow enabled in your BIOS, it could have caused system instability, leading to the Kernel 41 errors. Here's why:

  1. Incompatibility: Since AVX-512 is primarily designed for Intel processors, forcing its use on an AMD CPU could result in instability, crashes, or unexpected behavior. Your 7950X3D likely doesn't fully support AVX-512 instructions, leading to crashes when the CPU attempts to process them.

  2. Microcode and Firmware: Even if the BIOS exposes AVX-512 settings, the CPU’s microcode might not be able to handle these instructions properly, leading to unpredictable system behavior, such as power shutdowns and reboots (Kernel 41 is typically triggered when the system reboots unexpectedly).

  3. Power Draw and Thermals: AVX-512 is power-hungry, and enabling it could cause the CPU to draw more power or generate excess heat, potentially overwhelming the power delivery system or cooling solution. If the CPU overheats or hits power limits, it may trigger a system crash and restart.

By disabling AVX-512, your CPU operates with the instruction sets it is designed to handle, leading to stable performance and resolving the Kernel 41 errors.

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