Linux 6.4 Lands Intel Alder Lake / Raptor Lake Workaround For INVLPG/PCID Bug

phoronix

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Linux 6.4 Lands Intel Alder Lake / Raptor Lake Workaround For INVLPG/PCID Bug

23 May 2023, 06:39 AM

Phoronix: Linux 6.4 Lands Intel Alder Lake / Raptor Lake Workaround For INVLPG/PCID Bug

The bug I wrote about this weekend where Intel is now disabling PCID for Alder Lake and Raptor Lake under Linux until updated CPU microcode is issued for addressing an issue with the INVLPG instruction when Process Context Identifiers are enabled, has now been merged to Linux 6.4...

Linux 6.4 Lands Intel Alder Lake / Raptor Lake Workaround For INVLPG/PCID Bug - Phoronix

https://www.phoronix.com/news/Linux-6.4-Lands-PCID-INVLPG

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pieman

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Join Date: Mar 2020

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23 May 2023, 12:56 PM

if you are affected by this bug, what are the systems you can run into? i've been using a 13700kf myself and never noticed any crashing or stuff like that. things have been smooth.
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