Simon Schröter

> Hi @simonsystem, you're writing "system freeze", so by that you mean that the _entire_ system freezes? Or is it just thinkfan that freezes (i.e. stops doing anything)? > >...

Added a link to a freshly created Kernel.org Bugzilla issue at: https://bugzilla.kernel.org/show_bug.cgi?id=217548 @top-on Thanks for your system specs. Hope, we can help fixing that issue.

> * Laptop: Thinkpad T14 Gen3 AMD (21CF) @PiotrTD5 This ticket only concerns _P14s Gen3 AMD_ models. Even though, your BIOS has the same version number, I cannot confirm that...

BTW: As a workaround, I switched my notebook to "Cool 'n' Quiet" mode in BIOS and completely disabled thinkfan. I think I lost performance, but its not as loud as...

> https://download.lenovo.com/pccbbs/mobiles/r23uj73wd.htm > `- (New) Change to permit fan rotation after fan error happen.` @Lillecarl Did you try it? Does it solve our issue? Sounds promising!

At least for P14s Gen3 (21J5), this BIOS version isn't available anymore. https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-p-series-laptops/thinkpad-p14s-gen-3-type-21j5-21j6/downloads/ds557681-bios-update-utility-bootable-cd-for-windows-10-64-bit-thinkpad-t14-gen-3-type-21cf-21cg-t16-gen-1-type-21ch-21cj-p16s-gen-1type-21ck-21cl?category=BIOS%2FUEFI > This BIOS version R23UJ73W is reported Lenovo cloud not working issue, hence it has been withdrawn...