470
submitted 2 years ago by [email protected] to c/[email protected]

Linus Torvalds suggests disabling AMD's 'stupid' fTPM to solve a persistent stuttering issue | The problem affects Ryzen-based PCs running both Windows and Linux::undefined

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[-] [email protected] 208 points 2 years ago

I remember 5 years ago when Linus said he would work to show more restraint in swearing out vendors... and it's just hit me how well that worked. He didn't use a single swear word--in English or Finnish--and kept his negative sentiment focused on the implementation, rather than the people who did it, or their intelligence.

[-] [email protected] 64 points 2 years ago

I still agree with his sentiment towards Nvidia.

[-] [email protected] 29 points 2 years ago

If I, remember correctly he went to therapy for couple of months.

[-] [email protected] 68 points 2 years ago

Glad to see Linus giving this more visibility. There was a huge forum thread on the LTT Forums about users with this issue when Microsoft announced that Windows 11 would require TPM. AMD has attempted to fix it and the fixes have been completely ineffective on my system (B450 chipset using both a Ryzen 3700X and a 5800X).

On the plus side, I don't get Windows reminding me to upgrade to 11 on my desktop because it thinks it is incompatible!

[-] [email protected] 43 points 2 years ago

The thing is, Windows 11 doesn't even need TPM - it's just an arbitrary flag the installer looks for - which can easily be bypassed using a registry key - but MS have conveniently decided not to make a GUI for this, nor publicize that it can be bypassed by the end user.

All of this is just a conspiracy by Microsoft and it's OEM partners (mainly Intel) to generate more sales.

[-] [email protected] 18 points 2 years ago

I don't think it's that. I think they just want to force manufacturers and users to have TPMs. They don't want some users having one and some not, it's easier when you know every device has one.

[-] [email protected] 14 points 2 years ago

It’s been a very effective way to keep them from updating my system to windows 11. But that’s about all it’s done

[-] [email protected] 17 points 2 years ago

Linus Torvalds Tips has a forum‽

[-] [email protected] 4 points 2 years ago

I don't get that anymore... But for months my windows 10 was still trying to upgrade automatically despite my PC never having TPM. Only to fail every time of course. Now it's finally acknowledging that it's "incompatible" too.

I have a Ryzen that's supposed to be fTPM capable but since I saw lots of performance complaints I never switched it on.

[-] [email protected] 36 points 2 years ago

The treacherous platform module has always been malware

[-] [email protected] 46 points 2 years ago

Trusted computing has always given me the heebee jeebees. Why should users have to put trust in the vendor? Why should the vendor be able to potentially enforce DRM on my machine, where I want nothing even remotely resembling DRM in my machine's hardware or firmware? If I want to use software with DRM (Steam for example), I will specifically install it. If I want to use Secure Boot to verify the boot signatures of my machine, it damn well better be keys that are exclusively mine.

I prefer the idea of trustless computing, where everything is open source and all of the security implementations are verifiably secure and publicly auditable.

[-] [email protected] 12 points 2 years ago

Treacherous computing is evil to the core. It's a plot to destroy the very idea of general purpose computers.

[-] [email protected] 15 points 2 years ago

It's not just for that. It's useful also for allowing storing your data safely. For example to keep fingerprints safe or other similar information.

[-] [email protected] 8 points 2 years ago

If it was for that, it'd be locked with my keys, not some megacorp's. The concept of treacherous computing is to let the corpos trust your computer to betray you for their profits.

[-] [email protected] 25 points 2 years ago

Linux::undefined

Good bot. If this isn't a distro yet it should be.

[-] [email protected] 6 points 2 years ago

It's GNU/Linux::undefined!

[-] [email protected] 2 points 2 years ago

Easy, Richard. Let’s get you home.

[-] [email protected] 2 points 2 years ago

be the change you want to see in the world!

[-] [email protected] 23 points 2 years ago

Lets hope that AMD can read that hint...

[-] [email protected] 20 points 2 years ago* (last edited 2 years ago)

And there I was happy to purchase an AMD Ryzen laptop a few months ago. After the laptop keyboard problems (very slow typing due to faulty IRQ overrides, Mario Limonciello submitted a patch but it's still not part of any stable release, you have to patch the sources yourself), now it turns out the occasional stuttering is also because of AMD.

[-] [email protected] 16 points 2 years ago

Update your bios. A new driver update has fixed this.

Linux kernel 6.2 fixed this too I think

[-] [email protected] 16 points 2 years ago* (last edited 2 years ago)

My BIOS is up-to-date and no the 6.2 doesn't fix it. Mario himself said his patch will be part of one of the 6.5 rc's (and it looks like it's already part of the current rc). Until then, anyone with a recent Ryzen CPU and a laptop keyboard needs to apply the patch manually on the current versions.

[-] [email protected] 5 points 2 years ago

And here's me with a Huawei laptop where I can't upgrade the BIOS. I've had to completely disable fTPM just to stop the freezing.

[-] [email protected] 12 points 2 years ago

Would a physical tpm solve the stuttering?

[-] [email protected] -2 points 2 years ago

A physical tpm is causing the stuttering.

[-] [email protected] 14 points 2 years ago

fTPM is firmware TPM, it is not physical.

[-] [email protected] 4 points 2 years ago

Yeah that's what I thought

[-] [email protected] 4 points 2 years ago

Running both Windows and Linux

Yeah but what if I'm not dual booting?

this post was submitted on 02 Aug 2023
470 points (98.8% liked)

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