AMD fTPM Causes Random Stuttering Issue

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https://www.reddit.com/r/Windows11/comments/sccict/amd_ftpm_causes_random_stuttering_issue/

More and more people seem to be having this issue, so I feel the need to spread the word. Enabling the ‘firmware TPM’ causes system wide stuttering on a growing number of AMD based PC’s, both on Windows 10 and Windows 11. In most cases these stutters last roughly 1-2 seconds, and happen about 3-4 times a day. Regardless of what programs are running…

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Don’t suppose it’s when the Radeon update tool is checking for updates (accessing the firmware could be associated with an attempt to access the TPM working data so the firmware might intentionally pause TPM during direct access.. maybe check the logs immediately after a stutter..

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So something this has finally start to affect everybody. Whenever trying to install the last good drivers for my older system-on-a-chip with the last supported GPU driver the effect is worse than these folks.

Windows (system wide it seems) will stutter like that person’s game video every five seconds. AMD has changed something in the drivers (for the worse?) and or Microsoft have altered something, it just doesn’t work.

Somebody that has fun figuring this out might would like to debug the driver+kernel, checking if there are a flood of unaddressed kernel pending I/O requests in the System process thread.

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