On 6/15/20 3:37 AM, Gregory Nowak wrote:
> On Sun, Jun 14, 2020 at 02:30:39PM +0200, dng@??? wrote:
>> Which is still quiet high. I would advise to renew the thermal paste on
>> your processor. I can recommend Arctic Silver 5 AS5-3.5G Thermal Paste.
>> Made a difference of another 20°C on idle on my old i5.
>
> If the system ran cool before the upgrade, thermal paste shouldn't be
> the problem. What happens if you run with a 5.x kernel from
> beowulf-backports, for instance
> linux-image-5.4.0-0.bpo.2-amd64-unsigned?

With either of these:

linux-image-5.4.0-0.bpo.2-amd64-unsigned
linux-image-5.4.0-0.bpo.4-amd64-unsigned

I can log into an XFCE4 session just in time for the fans to spin up and
the machine lock.

With an even older kernel, I get about 50.0°C more or less.

$ uname -sr
Linux 4.19.0-8-rt-amd64

$ sensors
coretemp-isa-0000
Adapter: ISA adapter
Package id 0:  +51.0°C  (high = +100.0°C, crit = +100.0°C)
Core 0:        +49.0°C  (high = +100.0°C, crit = +100.0°C)
Core 1:        +48.0°C  (high = +100.0°C, crit = +100.0°C)
Core 2:        +49.0°C  (high = +100.0°C, crit = +100.0°C)
Core 3:        +49.0°C  (high = +100.0°C, crit = +100.0°C)
Core 4:        +49.0°C  (high = +100.0°C, crit = +100.0°C)
Core 5:        +48.0°C  (high = +100.0°C, crit = +100.0°C)

acpitz-acpi-0
Adapter: ACPI interface
temp1:        +51.0°C  (crit = +120.0°C)

iwlwifi-virtual-0
Adapter: Virtual device
temp1:        +55.0°C

pch_cannonlake-virtual-0
Adapter: Virtual device
temp1:        +58.0°C