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List:       linuxbios
Subject:    [coreboot] [coreboot - Bug #305] (New) Thermal sensors on Thinkpad X201 no longer working
From:       coreboot () fe80 ! eu
Date:       2021-04-23 2:14:38
Message-ID: redmine.issue-305.20210423021438.4cc2f6ae2ac7da71 () fe80 ! eu
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Issue #305 has been reported by Stefan Ott.

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Bug #305: Thermal sensors on Thinkpad X201 no longer working
https://ticket.coreboot.org/issues/305

* Author: Stefan Ott
* Status: New
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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The thermal sensors on my Thinkpad are no longer working with the latest version of \
coreboot. Normally, the values should look like this:

    # cat /proc/acpi/ibm/thermal 
    temperatures:   68 0 0 0 0 0 0 0

    # sensors thinkpad-isa-0000
    thinkpad-isa-0000
    Adapter: ISA adapter
    fan1:        3440 RPM
    temp1:        +68.0 °C  

Now they look like this instead:

    # cat /proc/acpi/ibm/thermal                                             
    temperatures:   -128 0 0 0 0 0 0 0

    # sensors thinkpad-isa-0000
    thinkpad-isa-0000                                                                
    Adapter: ISA adapter                                                             
    fan1:           0 RPM                                                            
    temp1:            N/A                                                            

It seems that this patch broke things: https://review.coreboot.org/c/coreboot/+/51072



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