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rui_ddit
Adept I

Ryzen 3600 random reboots

Having random Restarts. Anyone experiencing the same? There's no logs or anything, it just randomly restarts out of nowhere. Temps are ok 40C.

System :

Micro-ATX MSI B450M PRO-VDH Max

MSI GeForce GTX 750 Ti/PCIe/SSE2

SSD M.2 2280 Samsung 970 Evo Plus 500GB MLC V-NAND NVMe

AMD Ryzen 5 3600 Hexa-Core 3.6GHz with Turbo 4.2GHz 36MB

HYPERX - FURY DDR4 16GB 3200MHz

BE QUIET! - Pure Power 10 400W 80+

CORSAIR - Carbide Series 100R SILENT EDITION QUIET MID TOWER CASE

Ubuntu 18 LTS, now upgraded to 19.10

Everything is 4weeks old except the Graphics card which was working perfectly before on another rig. 

What ive tried thus far:

> Checked RAM settings and voltage, im using XMP 2.0 which is supported by the ram

> Checked CPU Temp, which is below 40C

-> Updated BIOS

-> Updated and Upgraded Linux. 

-> Ran some 3D benchmark, ran some games

-> Ran memtest first pass

Then I checked syslog and kernel log with more attention and there is a hardware error log from MCE at boot time. 

Jan 31 11:11:30 kernel: \[ 0.158669\] mce: \[Hardware Error\]: Machine check events logged

Jan 31 11:11:30 kernel: \[ 0.158670\] mce: \[Hardware Error\]: CPU 0: Machine Check: 0 Bank 7: fea020000004010b

Jan 31 11:11:30 kernel: \[ 0.158672\] mce: \[Hardware Error\]: TSC 0 ADDR 34ea4f200 MISC d012000600000000 SYND 1b3c41d47020a IPID 700b020350000

Jan 31 11:11:30 kernel: \[ 0.158674\] mce: \[Hardware Error\]: PROCESSOR 2:870f10 TIME 1580469085 SOCKET 0 APIC 0 microcode 8701013

I have two other logs, which i will post later when i can actually use the computer withouth rebooting, but they are about L2 and L3 cache! 

Nothing solved the issue so far. 

I can play games no problem. Its only when doing low load tasks it seems.

The issue started happening while fast forwarding movies, but now it happened also using sublime text, and even during login. The worst is it can go on for some time withouth any random restart but when it happens once then it happens again and again until it stops again.

Im at odds with this. Last time I saw such an issue it was on a Cyrix cpu in year 1999....im not happy about this at all, especially since the issie did not start immeditaly and now i cant return the product anymore, which Id like to after 4 hours of troubleshooting this and seeing its a hardware problem..

30 Replies
cosmicdance
Elite

Re: Ryzen 3600 random reboots

Usually random restarts are a PSU issue but your symptoms are kind of the reverse of the normal ones.

It is usually whilst gaming that the restarts happen if the PSU is faulty as that is when it draws the highest load.

You could try an RMA on the PSU and get a more powerful one.

Andy

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hardcoregames_
Big Boss

Re: Ryzen 3600 random reboots

I suggest a 650W PSU to be more efficient as well as to have the capacity for gaming

the boost feature of the CPU and GPU can push the power consumption well above the TDP

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misterj
Exemplar

Re: Ryzen 3600 random reboots

rui_ddit, I only looked at your power supply.  It is way too low power!  Please upgrade to at least 750 Watt.  Thanks and enjoy, John.

EDIT: I posted this over an hour ago and do not know why it was not posted.

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rui_ddit
Adept I

Re: Ryzen 3600 random reboots

Hi guys, This isnt a power supply issue. 400W is more than enough. I dont have any mechanical drives, and the computer does not reboot while under high load or any 3D intense operation (3D benchmarks and games run just fine), which is contrary to what youd expect for a power supply problem.

the restarts occur when idle or very low load.

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rui_ddit
Adept I

Re: Ryzen 3600 random reboots

im wondering, what would be the symptoms of an incompatible memory ? would it even boot?

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rui_ddit
Adept I

Re: Ryzen 3600 random reboots

Alright, I think I have either a defect CPU or a memory issue. im leaning towards defective CPU as the kernel is reporting a CPU hardware error. Those are messages coming directly from the hardware, kernel is just passing them to the system.

Now the system wont even boot into linux anymore. Not even with Ubuntu Live network install, it just shows up that syslog with the cpu message and reboots.

Is this a common issue with ryzen 3600??

I'm not happy at all with this and neither with the memory issues of ryzen, if I knew this I would rather have bought intel. My number 1 requirement for this PC is stability and I trusted AMD had improved their QC and CPUs. It is not a gaming rig it's a working PC and I'm a software developer and electronics engineer. As of now it is absolutely unusable and i'm unable to work!

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mviper
Adept II

Re: Ryzen 3600 random reboots

I had similar issues with 3700x. I had 600W PSU, swapped it for 850W. No difference.

Had to RMA the CPU. 

Try latest Prime95 with small FFTs. I had issues with 2 workers (threads) after 10 minutes or so.. ( cores #15 and #16 - FATAL ERROR: Rounding was 0.4760124369, expected less than 0.4 Hardware failure detected, consult stress.txt file).

misterj
Exemplar

Re: Ryzen 3600 random reboots

rui_ddit, you can believe anyone and anything you want.  It is your machine and you can do as you wish.  I have seen many of these, many users feel as you do.  I feel just the opposite and oversize my PS.  You may well have other problems, such as memory, but you will not get by with a 400 Watt PS in your system in the long run.  I have seen few problems corrected with RMAed AMD processors.  AMD processors seem to come from the factory in good shape.  I have never RMAed a processor but have RMAed many MBs, including the same one three times and more than one set of memory.  Sorry you are having so many problems, but please remember this is a user forum and you may want to contact AMD Online Support  - I recommend it!  Thanks and enjoy, John.

rui_ddit
Adept I

Re: Ryzen 3600 random reboots

Hi Misterj, I respect your experience and recommendation with the power supply but I calculated the wattage that I need and 400W is more than enough. I don't expect  that my wattage requirements will change anytime in the future either. If anything they should get lower once I buy a new GPU, provided the technology spends less energy, which is likely.

Im going to contact the AMD Online Support, thank you for the tip. I'm aware this is a user forum but was actually looking for people with similar experience here to see if they had any other thing that I could try, before spending money or RMA'ing the product.

In my experience the motherboards cause more issues as well. I see that the MSI boards have had some issues with Ryzen. Thing is kernel is giving me a CPU L2/L3 cache issue, andmemory bannk issue. I'm leaning towards some RAM issue or defect CPU. I'll be updating my thread

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