https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247306
Bug ID: 247306
Summary: [acpi_ibm] [patch] add cpu fan full-speed level
Product: Base System
Version: CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 215613
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=215613&action=edit
Add support for running fan in full-speed mode
My x220 sometimes runs hot on FreeBSD (when pushing it to its limit). And I
start receiving coretemp messages:
> coretemp0: critical temperature detected, suggest system shutdown
Unfortunately auto mode never sets the fan to spin fast enough to cool down the
cpu, neither level 7 (max currently supported by the driver). The driver does
not support full-speed (disengaged mode). Attached is a patch to implement
that, with documentation updates. Tested on x220, x230, T430 and T61.
(Since I submitted many patches in the past to improve acpi support for
Thinkpads, I added my name, but feel free to strip it off).
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