Shulou(Shulou.com)11/24 Report--

CTOnews.com, March 14 (Xinhua)-- AMD previously admitted that after enabling fTPM, a firmware-based trusted platform module, the Ruilong processor caused intermittent stutter problems in Win10, Win11, and various Linux distributions.

Linux kernel maintenance members have reverse migrated the fixes in Linux 6.3-rc2 to Linux 6.1.19 and Linux 6.2.6 to fix stutter problems.

This BUG is most pronounced in the Linux 6.1 kernel, mainly after the hardware random number generator (hwrng) enables kernel multithreading (kthread) for untrusted sources. For example, setting the hwrng source to zero mass (quality setting of zero) will trigger.

CTOnews.com reminder: the patch released this time only disables the hardware random number generator on the version of fTPM that is known to have the error, and has not completely cured the stutter problem.

Related readings:

"fTPM is on the back. AMD confirms that there is an intermittent stutter problem with Ryzen Auron processor in Microsoft Win11/10 system, which needs to be solved by updating BIOS."

"AMD releases new microcodes to motherboard suppliers to fix stutter problems caused by frequent polling of fTPM by the system."

"after Win10 / Win11, the AMD Auron processor also causes intermittent stutter problems in Linux when fTPM is enabled."

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