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5900x Unstable

Hi everyone,

 

I've been running my 5900x with PBO at motherboard limits, +200MHz, and a curve optimizer of -30 on all cores (except my best core that needs -20 to avoid WHEA). Everything has been fine for a couple of months (gaming, stress tests, sitting idle, doing light tasks) until tonight. After exiting a game, my system rebooted and I saw the familiar WHEA error, this time referencing a different core (my second best core). This then proceeded to happen several times until I changed that core to -25 instead of -30. Not sure if it's stable yet, but it has not rebooted while writing this.

 

Strangely enough, everything was fine earlier today and has been for a couple of months, just out of the blue tonight I got these reboots. I have not updated anything significant today. Is it possible my CPU has degraded in quality making the undervolt no longer stable? I didn't touch PBO Scalar at all to avoid this.

CPU: Ryzen 9 5900X | MOBO: ASUS ROG STRIX B550-E Gaming WiFi | RAM: 32GB (2x16GB) Corsair Vengeance Pro RGB @3600MHz | GPU: MSI RTX 3080 Gaming X Trio | Storage: Sabrent Rocket NVME Gen 4.0 2TB, Sabrent Rocket NVME 2TB, Seagate Barracuda HDD 2TB | PSU: EVGA G+ 1000W | Cooling: Corsair iCue H150i RGB Pro XT, 9 Corsair LL120 RGB Fans | Case: Lian Li PC-011 Dynamic (Black)

Laptop: MacBook Pro 2019 13in.

Monitor: Samsung Odyssey G7 1440p 240hz (32in), AOC G2260VWQ6 1080p 75hz (21.5in)
Keyboard: Logitech G915 TKL | Mouse: Logitech G403 Hero | Headphones: Logitech G Pro X, Speakers: Bose Companion 2 Series II
Operating Systems: Windows 10 Home (21H1), Laptop: MacOS Big Sur

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14 minutes ago, Somerandomtechyboi said:

Run prime95 smalllest ffts and see if you get an error

I'll give this a try, thanks.

 

Seems to be stable again so far just using it normally (I set the core to -30 again), hoping it was just something weird. 

CPU: Ryzen 9 5900X | MOBO: ASUS ROG STRIX B550-E Gaming WiFi | RAM: 32GB (2x16GB) Corsair Vengeance Pro RGB @3600MHz | GPU: MSI RTX 3080 Gaming X Trio | Storage: Sabrent Rocket NVME Gen 4.0 2TB, Sabrent Rocket NVME 2TB, Seagate Barracuda HDD 2TB | PSU: EVGA G+ 1000W | Cooling: Corsair iCue H150i RGB Pro XT, 9 Corsair LL120 RGB Fans | Case: Lian Li PC-011 Dynamic (Black)

Laptop: MacBook Pro 2019 13in.

Monitor: Samsung Odyssey G7 1440p 240hz (32in), AOC G2260VWQ6 1080p 75hz (21.5in)
Keyboard: Logitech G915 TKL | Mouse: Logitech G403 Hero | Headphones: Logitech G Pro X, Speakers: Bose Companion 2 Series II
Operating Systems: Windows 10 Home (21H1), Laptop: MacOS Big Sur

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1 hour ago, rmgdnz said:

I'll give this a try, thanks.

 

Seems to be stable again so far just using it normally (I set the core to -30 again), hoping it was just something weird. 

Run it for an hour or 2 then move on to large ffts

 

If small ffts does error then try large ffts cause sometimes ram errors are also deteced by smallest ffts

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