Test found 2 errors a few seconds after starting

[Beinish]

Hello,

I started a Prime95 test with Large FFTs and 2 threads(?) found an error and stopped after a few seconds:

[Sun Sep 6 17:49:05 2020]
FATAL ERROR: Rounding was 0.4582755465, expected less than 0.4
Hardware failure detected, consult stress.txt file.
FATAL ERROR: Rounding was 0.4998263118, expected less than 0.4
Hardware failure detected, consult stress.txt file.

The rest of the tests kept working. Should I run it again and leave them with the error?



Rig:

CPU: Ryzen 5 3600
Motherboard: ASUS TUF B450M Plus Gaming
Memory: Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16
Graphics Card: EVGA RTX 2070 Super (Currently with a GTX950 for testing)
PSU: Antec EA750G Pro 750W Gold
Hard Drives: Crucial P1 1TB 3D NAND NVMe PCIe M.2 SSD

[kriesel]

Why so many workers at 12? Isn't that a 6-core cpu? PRP or LL testing perform better with no HT use, generally. Prime95 has benchmarking features to determine how many cores/worker is greatest throughput. Consider running 1,2,3,or 6 workers, not 4 or 12. You might find it useful to read https://www.mersenneforum.org/showthread.php?t=23900 or https://www.mersenneforum.org/showthread.php?t=24588

[Prime95]

Originally Posted by kriesel

Why so many workers at 12?

This is a stress test. More workers = more stress.

Most stress test errors are RAM related. Try overvolting your RAM or underclocking your RAM.

[Beinish]

Originally Posted by kriesel

Why so many workers at 12? Isn't that a 6-core cpu? PRP or LL testing perform better with no HT use, generally. Prime95 has benchmarking features to determine how many cores/worker is greatest throughput. Consider running 1,2,3,or 6 workers, not 4 or 12. You might find it useful to read https://www.mersenneforum.org/showthread.php?t=23900 or https://www.mersenneforum.org/showthread.php?t=24588

Sorry for the ignorance, but I barely understand anything for what you sent.
I want to test out my CPU as I have reason to believe it's causing BSODs and crashes in some apps and games. I need "evidence" that there's an issue with the CPU/Mobo/RAM to go get my warranty working...

Would you mind telling me which tests to run?
It's indeed a 6 core 12 threads CPU.

A few weeks ago I ran Small FFTs but saw no errors after about 3-4 hours. This time I'm running large FFTs because I read online it involves the RAM as well, which I want to test even though Memtest86 found no issues after multiple tests.

This is the test I ran:

Originally Posted by Prime95

This is a stress test. More workers = more stress.

Most stress test errors are RAM related. Try overvolting your RAM or underclocking your RAM.

I will increase my voltage to 1.35v, even though everything is stock? I'm not overclocking anything (no CPU, RAM, GPU overclocking whatsoever).
This might indicate a RAM issue? Should I run it with one stick at a time maybe? I ran multiple Memtest86, Testmem5 and HCI Design Memtest and found no errors in my RAM in any test.
By the way the RAM is at stock 2133mhz.

[Prime95]

Originally Posted by Beinish

I will increase my voltage to 1.35v, even though everything is stock? I'm not overclocking anything (no CPU, RAM, GPU overclocking whatsoever).
This might indicate a RAM issue? Should I run it with one stick at a time maybe? I ran multiple Memtest86, Testmem5 and HCI Design Memtest and found no errors in my RAM in any test.

Don't put too much faith in "stock". It is not at all uncommon for memory to have trouble running at stock speed.

So, yes try overvolting to 1.35 (or increase in 0.05 increments). If uncomfortable wit overvolting, reduce the RAM speed and re-test.

Do not remove a mem stick. That could fix the problem, but is unhelpful in diagnosing the culprit.

Memtest does not find all memory errors. No test is perfect.

[Beinish]

Originally Posted by Prime95

Don't put too much faith in "stock". It is not at all uncommon for memory to have trouble running at stock speed.

So, yes try overvolting to 1.35 (or increase in 0.05 increments). If uncomfortable wit overvolting, reduce the RAM speed and re-test.

Do not remove a mem stick. That could fix the problem, but is unhelpful in diagnosing the culprit.

Memtest does not find all memory errors. No test is perfect.

Gotcha.
I set the voltage at 1.250 as to stocks 1.200. When I started the test it still errored our on worked #1 and #2 (same workers as before) but this time it took a bit more time to show the error (like 5 seconds as opposed to 1 second if that matters).

[Sun Sep 6 20:24:07 2020]
FATAL ERROR: Rounding was 2.216375913e+14, expected less than 0.4
Hardware failure detected, consult stress.txt file.
FATAL ERROR: Rounding was 4.405092638e+18, expected less than 0.4
Hardware failure detected, consult stress.txt file.

Should I continue adding voltage by 0.05 and testing every time or should I let it keep running and then do it? Also, where do I stop and at what point can I start believing the CPU/RAM is faulty?

Thank you for the help sir.

[moebius]

Quote Kriesel: LL testing perform better with no HT use, generally.
For Ryzen CPU's it depends on the FFT Size, better performing with no HT at the wavefront f.e 5,5 FFT, better performing with HT at f.e. 2,75M FFT.

Quote Beinish: found an error and stopped after a few seconds:
Is the RAM recommended by the motherboard manufacturer (in the list on the manufacturer's website)?
Are you using the corresponding XAMP profile for this RAM in the BIOS?

[Beinish]

Originally Posted by moebius

Quote Kriesel: LL testing perform better with no HT use, generally.
For Ryzen CPU's it depends on the FFT Size, better performing with no HT at the wavefront f.e 5,5 FFT, better performing with HT at f.e. 2,75M FFT.

Quote Beinish: found an error and stopped after a few seconds:
Is the RAM recommended by the motherboard manufacturer (in the list on the manufacturer's website)?
Are you using the corresponding XAMP profile for this RAM in the BIOS?

It is on the recommended list, yes.
I'm not overclocking my RAM but I did try to enable DOCP before. I think the computer didn't boot up, I had to manually change some settings and voltage.

[paulunderwood]

Have you tried running everything at stock except for the RAM at 3000Mhz?

[moebius]

Try it several times if the PC with the XAMP / DOCP profile does not start up. For me it is like that, once the PC has started, it is also Prime-stable and even without crashes.

[Beinish]

Originally Posted by paulunderwood

Have you tried running everything at stock except for the RAM at 3000Mhz?

No, but after you wrote that I did and still the same result. first two testers fail instantly and the 3rd one (#12 I believe) fails after 15-20 minutes or so.

Originally Posted by moebius

Try it several times if the PC with the XAMP / DOCP profile does not start up. For me it is like that, once the PC has started, it is also Prime-stable and even without crashes.

Can't. When I enable DOCP the computer boots, shuts down, boots again, shuts down again and when it finally boots up, it's on stock settings (2133mhz). If I go back to the BIOS, I see it's on the same settings I left them on (DOCP, so 3200mhz, 1.35v dram, etc), but it's as if the settings don't apply after the finally boot. Sometimes it doesn't even boot at all and I need to reset the CMOS to boot up again.

Edit:
Just successfully enabled DOCP, no issues but the stress test failed anyway on the same workers.