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66 Posts

03-28-2018

United Kingdom of Great Britain and Northern Ireland

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-08-28, 19:14 PM

Understood. Thank you.

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11 Posts

08-25-2019

Sweden

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-08-28, 20:47 PM
Many thanks for the update Mark. Good to know you're working on it.
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10 Posts

10-11-2018

Germany

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-08-29, 9:15 AM

This also affects the X1 Yoga 3rd gen. It also throttles very early and has another issue, that the fan never spins up even, when sitting at 75°C for a while.

So if you find a solution it'd be really appreciated if the X1Y3 could also profit of these changes :smileyhappy:

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1 Posts

08-29-2019

Sweden

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-08-29, 18:37 PM

This also affects the Thinkpad 25 anniversary edition. 

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6 Posts

12-19-2018

United States of America

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-09-06, 8:30 AM

I'd like to add to the list of affected systems the T490. Lenovo surely know this, but hey, I'm excited and looking forward to a proper fix to this issue, so I'm pile jumping.

 

I have tried Manjaro with kernel 5.3rc7, thermald v1.9, dptfxtract v1.4.3 and secure boot off: no combination of generated XML files and throttled command line arguments has yielded any improvements; the CPU (8665U, no nVidia) rapidly gets power-limited to 15W (~70C) after a few seconds at 23W (~93C). This isn't a complaint; it's merely an observation.

 

I'm happy to run tests.

 

For reference, here's thermal-conf.xml.auto as generated on my system (the other XML files generated (0, 1, 2 and auto) all have Preference = QUIET, and the trip temps. are lower than those in the file below):

 

<?xml version="1.0"?>
 <!-- BEGIN -->
 <ThermalConfiguration>
 <Platform>
        <Name> Auto generated </Name>
        <ProductName>20N2CTO1WW</ProductName>
        <Preference>QUIET</Preference>
        <ThermalZones>
                <ThermalZone>
                        <Type>auto_zone_0</Type>
                        <TripPoints>
                                <TripPoint>
                                        <SensorType>SEN2</SensorType>
                                        <Temperature>50000</Temperature>
                                        <Type>Passive</Type>
                                        <CoolingDevice>
                                                <Type>B0D4</Type>
                                                <SamplingPeriod>0</SamplingPeriod>
                                                <TargetState>2147483647</TargetState>
                                        </CoolingDevice>
                                </TripPoint>
                                <TripPoint>
                                        <SensorType>SEN2</SensorType>
                                        <Temperature>51000</Temperature>
                                        <Type>Passive</Type>
                                        <CoolingDevice>
                                                <Type>B0D4</Type>
                                                <SamplingPeriod>0</SamplingPeriod>
                                        </CoolingDevice>
                                </TripPoint>
                        </TripPoints>
                </ThermalZone>
                <ThermalZone>
                        <Type>auto_zone_1</Type>
                        <TripPoints>
                                <TripPoint>
                                        <SensorType>B0D4</SensorType>
                                        <Temperature>70000</Temperature>
                                        <Type>Passive</Type>
                                        <CoolingDevice>
                                                <Type>B0D4</Type>
                                                <SamplingPeriod>0</SamplingPeriod>
                                                <TargetState>2147483647</TargetState>
                                        </CoolingDevice>
                                </TripPoint>
                                <TripPoint>
                                        <SensorType>B0D4</SensorType>
                                        <Temperature>71000</Temperature>
                                        <Type>Passive</Type>
                                        <CoolingDevice>
                                                <Type>B0D4</Type>
                                                <SamplingPeriod>0</SamplingPeriod>
                                        </CoolingDevice>
                                </TripPoint>
                        </TripPoints>
                </ThermalZone>
        </ThermalZones>
</Platform>
</ThermalConfiguration>
<!-- END -->

 

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9 Posts

09-15-2019

Singapore

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-09-15, 11:16 AM

I have same issue with Linux Kernel 5.2.14 on Lenovo P53 with i9-9880H CPU

 

mce: CPUn: Core temperature above threshold, cpu clock throttled (total events = xxx)

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4 Posts

09-17-2019

Germany

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-09-17, 14:20 PM

Hi,

 

ThinkPad X390 is also affected. I do hope that this issue is fixed properly. I (have to) run a bunch of KVMs, and once there is a more little load than no load at all, the CPU throttles down to 400-600 MHz, although sensors claims that the CPU package is not exactly hot. This basically renders the machine unusuable for me.

 

# lscpu  | grep 'CPU MHz'; sensors
CPU MHz:             580.272
iwlwifi-virtual-0
Adapter: Virtual device
temp1:        +49.0°C  

thinkpad-isa-0000
Adapter: ISA adapter
fan1:        3331 RPM
temp1:        +50.0°C  
temp2:            N/A  
temp3:         +0.0°C  
temp4:         +0.0°C  
temp5:        +42.0°C  
temp6:         +0.0°C  
temp7:         +0.0°C  
temp8:            N/A  
temp9:         +0.0°C  
temp10:        +0.0°C  
temp11:       +66.0°C  
temp12:        +0.0°C  
temp13:        +0.0°C  
temp14:        +0.0°C  
temp15:        +0.0°C  
temp16:        +0.0°C  

acpitz-acpi-0
Adapter: ACPI interface
temp1:        +50.0°C  (crit = +128.0°C)

coretemp-isa-0000
Adapter: ISA adapter
Package id 0:  +48.0°C  (high = +100.0°C, crit = +100.0°C)
Core 0:        +48.0°C  (high = +100.0°C, crit = +100.0°C)
Core 1:        +48.0°C  (high = +100.0°C, crit = +100.0°C)
Core 2:        +47.0°C  (high = +100.0°C, crit = +100.0°C)
Core 3:        +49.0°C  (high = +100.0°C, crit = +100.0°C)

# dmidecode -s system-version; dmidecode -s system-product-name
ThinkPad X390
20Q0S0HQ00

# dmidecode -s bios-version; dmidecode -s bios-release-date
N2JET73W (1.51 )
07/18/2019

# head -n7 /proc/cpuinfo
processor    : 0
vendor_id    : GenuineIntel
cpu family    : 6
model        : 142
model name    : Intel(R) Core(TM) i7-8665U CPU @ 1.90GHz
stepping    : 12
microcode    : 0xb8


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4 Posts

09-17-2019

Germany

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-09-18, 13:39 PM

Uninstalling 

 

Package: intel-microcode
Version: 3.20190618.1

 

in Debian Buster results in 2.4GHz under load on all cores, 71°C  cpu package temperature and 15W of power usage:

 

# turbostat --quiet -s Avg_MHz,CoreTmp,PkgTmp,PkgWatt,CorWatt sleep 6
6.056005 sec
Avg_MHz    CoreTmp    PkgTmp    PkgWatt    CorWatt
2383          71              71            15.00        13.72
2387          71              71            15.00        13.72
2383
2383          71
2383
2382          71
2380
2382          71
2380

 

71°C is still somewhat low, but 2.4GHz is a lot better than 400MHz.

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9 Posts

09-15-2019

Singapore

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-09-20, 10:51 AM
I don't think is a good idea to uninstall intel-microcode
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2 Posts

02-14-2019

Italy

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Re: [X1C6/T480s] low cTDP and trip temperature in Linux

2019-09-23, 22:15 PM
Hi Mark, do you have an idea of the timescale for the fix? thanks!
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