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Comment by WD-42 | Hacker News Reader

I have the complete opposite experience. Got a 9550x with 64gb ddr5 and a fairly high end mobo about two year ago. Just running the memory at stock speed. About 50% of the time I’d reboot and one or both of the sticks would only be detected as 2gb. Would need to do a hard shutdown to get it back.

I eventually gave up and turned off memory context restore and now I just deal with the minute plus (!) time to Post.

Not sure if amd memory controllers are just garbo or what but I’m going back to intel next chance I get.

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On the desktop Intel has better memory controllers last time I looked, but it’s not that big a difference. Something in your setup is just broken. Failures will happen with any brand, so I wouldn’t chalk it up to AMD vs Intel… figure out where your problem is and get the faulty part replaced if you can.

I feel you though, regardless of the cause, that is an extremely frustrating place to be.

Yea I’m just bummed because it’s a real expensive time to be swapping memory parts around. Like I said, things seem to just work without memory context restore so I’m fine with just paying the cost when I reboot once a week or whatever. I feel like the fact that disabling MCR fixes it should narrow down the issue to some part, I’m just not sure which.

> it’s a real expensive time to be swapping memory parts around.

It is, but isn’t it all warranty in your scenario?

It would be painful to claim though, as what part is at fault?

That's the problem, I have no idea. The fact that disabling MCR fixes it should point to something, but I'm not knowledgeable enough to know what.

> It is, but isn’t it all warranty in your scenario?

There are numerous recent stories of companies refusing to make good on their warranties and instead offering customers a refund for the original price paid. One example: https://www.tomshardware.com/pc-components/hdds/toshiba-refu...

For what it's worth, I have server with 128GB of DDR4 running 24/7 on cheapo AM4 consumer board. No issues whatsoever.

Did you set it to do memory training on every boot? That's a big stability help. Should also run Memtest86+ a few times. With some stick swapping you can determine if you have a bad stick or slot.

What brand of ram, and was the ram listed on the supported spec sheet for the motherboard?

Up to date on bios updates?

Yes and yes, it’s crucial ram. Nothing exotic.

Weird, just had to check.

DDR5 has been kind of a mess imo, just in general.

Yea I’ve done endless googling around the issue and it seems to be a not uncommon issue with ddr5 but there’s no way I’m buying new parts now so I’ve come to peace with it.

Doesn't mean it can be broken. Also might be a CPU contact issue.

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