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PC Randomly Restarting Lights Staying on - 5900x

LouWii

LouWii

LouWii

Associate
Joined
29 Aug 2021
Posts
16
Location
England
My Specs
CPU:AMD 5900X
GPU:3080TI
MOBO:MSI X570 UNIFY
RAM: Corsair Dominator Platinum 32GB 3200mhz
PSU: BeQuiet 850w Straight power
STORAGE: 3tb WD hdd, 500gb Samsung Evo 870

Errors -

Reported by component: Processor Core
Error Source: Machine Check Exception
Error Type: Cache Hierarchy Error
Processor APIC ID: 8

A fatal hardware error has occurred.

Reported by component: Processor Core
Error Source: Machine Check Exception
Error Type: Cache Hierarchy Error
Processor APIC ID: 4

-Error setting traits on Provider {8444a4fb-d8d3-4f38-84f8-89960a1ef12f}. Error: 0xC0000001

My PC randomly reboots when playing games and once in browser (not sure if a game was open in the background ) seemingly randomly and about once a day, lights stay on no blue screen of death, started about a week ago, upgraded GPU to 3080ti around a month ago , had the cpu and mobo since the start of the year. I posted it under "CPUS" as the errors seem cpu related. I flashed my bios when I got the cpu and it's been on the same version this entire time A.70. All gpu and cpu drivers are up to date.Thanks for any help you guys can give me, let me know if you want anymore info.
 
It seems like it, the only thing I remember doing in the time before it was installing the gpu and a new exhaust fan, a little after that I also updated gpu driver twice. I've been told to upgrade PSU by a few people to around 1000w, although I would've thought 850w was plenty. I can run games stably for hours at times but other times just launching something will restart the pc
 
I've got a kraken x62 cooling my cpu, stock fe on the gpu in a p500a drgb case, 3 intakes at the front, 1 exhaust out the back, the radiator is mounted at the top of the case with the fans on the inside blowing downwards, idle temps on the cpu are around 50 c with the limit being 90c, the gpu runs idle at around 50 c too, the gpu is hot to the touch and the ram is hot but not as hot to touch.
 
Sorry If this is a stupid question but could it be voltage spikes that my 850w psu can't handle, was speaking to another guy with the same issue and after he upgraded to 1000w it seemed to resolve.
 
Zeeflyboy said:
Certainly possible, I read of many issues with transient spikes on 3090’s causing system resets until people went to beefier supplies (and even causing shutdowns on some seasonic 1000w supplies due to tripping OCP), and the 3080Ti is pretty much a 3090.

Amazingly your PSU has 4 separate 12v rails, so I’d say it’s actually pretty likely the problem, especially if you happen to be feeding the GPU from a single rail. You many want to check and re-jig to make sure you have one 12v from rail 3 and one from rail 4 as they have higher amperage than rails 1 and 2 (26A each vs 21A each).

… or just buy a decent PSU with single rail.

edit - so PCIE1 is 12V3/12V3, PCIE2 is 12V3/12V4 and PCIE3 is 12V4/12V4… about all you can do is try using PCIE 1 and 3 to evenly split the load across the connectors. Unfortunately with such a design you have 42A of 12v rail being wasted purely on CPU and accessories. You only actually have peak 26A on each of the 2x12V rails suppling the GPU, which while it should be enough in theory may be susceptible to spikes/drops with the power hungry GPU.

edit 2 - actually what I said above is recommended in the manual… so I’d double check you are using 1 and 3, if not then change over and see if it helps.

https://imgur.com/a/3S01J7h
Click to expand...

Yeah I was feeding the gpu from a single rail, I didn't change it after upgrading card, I've put the new connectors in slot 1 and 3 hopefully this fixes the problem. Thanks, I'll update this if I get another crash, the only thing I can't get my head around is the cpu related error I get in event viewer.

-another crash , same error
 
Last edited:
My board has two 8 pin cpu power connectors right now I’m only using 1, to my knowledge the second one is used for overclocking, if the issue is power related would it be worth me plugging in cpu power 2 also?
 
Joxeon said:
Always RMA the CPU directly to AMD as the retailer will just run some benchmarks that don't seem to reproduce the light load crashes so they just end up returning the CPU.

These kind of crashes seem due to instability at light SC loads and as someone eluded to earlier in the thread that you can reproduce them on a healthy CPU by pushing either the boost clock speed higher in PBO or using too much negative offset in curve optimizer.

If it's behaving like that at stock then it's definetly an RMA job but fortunately AMD seem to recognise this issue and will just replace the CPU unlike the retailers who don't seem as clued up and are more used to testing for all core stability on Intel CPUs.
Click to expand...
Yeah I've sent an RMA request now, hopefully they find something wrong
 
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