[T12 from T11] CPU at 70 Celsius degrees, orca and speech-dispatcher using 10%-20% of CPU constantly

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useresu
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Iscritto: 04/18/2026

I am running hwe-12.0-edge, Linux-libre 6.17. Suddenly, 1 hour after the upgrade, the CPU is very hot and even the keyboard is a bit laggy:

$ sensors
BAT1-acpi-0
Adapter: ACPI interface
in0:          12.23 V  
curr1:         0.00 A  

coretemp-isa-0000
Adapter: ISA adapter
Core 0:       +68.0 C  (crit = +105.0 C)
Core 1:       +69.0 C  (crit = +105.0 C)

acpitz-acpi-0
Adapter: ACPI interface
temp1:        +73.0 C  
temp2:        +73.0 C

If the 6.8 default kernel branch solves the issue tomorrow I will report here. It is an old Samsung notebook.

I see in htop that speech-dispatcher and orca are using 10%-20% of the CPU. Probably not the cause of ~70 C, but orca is already disabled in MATE's menu for session apps. How to shut them down?

useresu
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Iscritto: 04/18/2026

I can't even login in the forum because the mess caused by the heat in aBrowser. Pressing the keys makes the page jump instead of filling the boxes for username and password.

I restarted and in CLI found the CPU at 60C. I have never even checked that before.

I purged orca and speech-dispatcher. This killed the daemons but the temperature remains at 70C with aBrowser running. I can't type even with those 2 removed.

useresu
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Iscritto: 04/18/2026

After removing orca and speech-dispatcher and aBrowser keeping failing, I restarted. I logged in and I can type this now from aBrowser. Temperature around 60C, even with aBrowser running.

Magic Banana

I am a member!

I am a translator!

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Iscritto: 07/24/2010

Core 0: +68.0 C (crit = +105.0 C)
Core 1: +69.0 C (crit = +105.0 C)

Given the critical temperatures, the measured ones do not look excessive.

useresu
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Iscritto: 04/18/2026

On desktops I am used to seeing ~30 C there after logging directly in CLI.

useresu
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Iscritto: 04/18/2026

Plus: I don't know if the lagginess was caused by those daemons or by the heat, but the laptop temperature was really discomfortable at the lap. 60 C does not cause discomfort.

Avron

I am a translator!

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Iscritto: 08/18/2020

What is the total CPU load? No other process is taking more CPU? Did you check the free memory (on aramo, there was a process for time display in the MATE panel that had a bug making it allocate and not free memory, which ended up in losing control of the computer if not killing it soon enough, and the bug reoccured more than once).

useresu
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Iscritto: 04/18/2026

Only those. The issue was solved by removing orca and speech-dispatcher.

azafranero
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Iscritto: 05/21/2015

Hello

You need to open up the computer, clean the fan and the ventilation and replace the thermal paste.
https://www.youtube.com/watch?v=D6IM5-DgqeA

How do you apply thermal paste to your processor?

Laptop computer
https://www.youtube.com/watch?v=_oq9ZEVz1oU

useresu
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Iscritto: 04/18/2026

Thank you.