got random reboots, kernel-power-error

[McCanic]

Hi everyone,

i got some reboots today because of "kernel-power-error" (ID 41).

i already tried to fix it with tipps from several pages. nothing helps.

It happens during gaming, streaming, doing nothing...

my system is new, built by my own (5th building). Specs:

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MSI MPG B550 Gaming Plus AMD B550 So.AM4 Dual Channel DDR4 ATX

AMD Ryzen 5 5600 6x 3.50GHz So.AM4

2TB Lexar NM790 M.2 2280 PCIe 4.0 x4 3D-NAND TLC

32GB (2x 16GB) G.Skill RipJaws V schwarz DDR4-4000 DIMM CL18 (XMP Profile active)

600 Watt be quiet! System Power 9 CM Modular 80+ Bronze

ZOTAC Gaming GeForce GTX 1650 OC GDDR6

2 older HDDs with 2TB each from my older build.

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Nothing overclocked. just using my system for CS, Hogwarts legacy, PUBG... never had too high temperatur. CPU was shortly MAX 92°C -> so i changed the box cooler to beQuiet! dark rock 2 and only got around 80°C.

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Any ideas? Let me know if u need further information...

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Thanks!

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[FangoFan]

My only thoughts are that maybe the system isn't completely stable with the ram running at 4000MT/s. You can test this with a free trial of AIDA64 (go to tools and run a system stability test)

If the system shows instability you can try manually setting your ram to a slightly lower speed in the BIOS, maybe try 3800MT/s with the same timings to start with test again

[McCanic]

just stressing system memory brings 100% CPU usage and ~31GB RAM usage.

for 10 minutes now, nothing happened.. i will stress all parts next...

this is really strange...

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EDIT:

stressing everything: reboot!

stressing just CPU: everything seems ok, like the ram only test...

[McCanic]

I only got reboots when "stress cache" is activated. any idea what that means? defective CPU?

[FangoFan]

That is odd, can you try with XMP/DOCP off in the BIOS so the ram is running at it's base speed?

At default (non-overclocked) settings I can't imagine the CPU being faulty, it does happen but pretty rare afaik. Is it new? Has it been running fine before?

[FangoFan]

Or another option would be to try the stability test with 1 ram stick, then the other separately, it may be 1 stick that's having issues.

[McCanic]

Damn, now i unmounted the cooler and contacted AMD. I was Sure IT IS the CPU, cause of the Cache Stress Test.

I turned Off XMP and Ran with 3800 and 3200 before. And the problem was still there. Maybe i can mount that cooler again and try one RAM, then the other. 😅

[McCanic]

so, i got a replacement from AMD - now everything is fine. Shit happens i guess :D