How to determine why Core 2 of 8 has CPU usage 100% constantly?

[cscs]

Probably the same as the reported-in-12-other-threads issue of mariadb+akonadi

[Stable Update] 2023-07-27 - Kernels, Nvidia, Virtualbox, Thunderbird, LibreOffice, Pipewire

Its triggered by akonadi (used by Kalendar) … but mariadb is the culprit. The kernel is doing what it should … reporting had changed slightly. That said a proposed kernel patch circumvents the issue by narrowing the reports and squashing another unrelated bug. https://lore.kernel.org/lkml/11ded843-ac08-2306-ad0f-586978d038b1@kernel.dk/

Akonadi causes high CPU load

Good evening. This is a known reported bug with akonadi+mariadb ( most often triggered in these forums by ‘Kalendar’ ) (( and not the same as @Aragorn, we thinks, as aragorn is privvy to that bug ))

[Unstable Update] 2023-05-21 - Repository changes

Last post on the thread indicates its a mariadb issue (being leveraged by akonadi because of Kalendar) I found the process that was using a lot of IO-Wait to the CPU. It was MariaDB (11.0.2). I use Kalendar as my Calendar program since i use KDE Plasma and this program uses Akonadi which uses MariaDB to store data on it. Can you confirm this ? PS. I leave this here for those who may wish to try a different DB with Akonadi: https://wiki.archlinux.org/title/KDE#Akonadi

(its also just cosmetic)