Turbostat ( more) is low-level enough for that. CPU core frequency), not what is actually happening. Use turbostat if you want real hardware readings, everything else (read from /proc etc.) is "what the systems intends to set" (e.g. With KVM+virtio drivers you shouldn't even feel the difference.Ī few pointers to research the issue, maybe: If you really need the LTS/kernel version, consider maybe a headless VM or container and SSH into that. I've been cured, I only run recent kernels on my X1 Yoga 3rd (19.04 works well enough for me, have you tried it?) You might think it's more stable but in fact, because things tend to change fast these days, it's more a hit-or-miss where multiple hardware issues can creep up. Secondly, I'm not sure about your use case but running an LTS kernel on a laptop is usually not a good idea. I know there is a Thunderbolt "Assist Mode" in BIOS settings that apparently bricks some laptops when enabled, so be extremely careful when fiddling with settings. You could ask people at JB (they have an IRC etc), I'm sure someone remembers if there's a fix Chris found. I seem to remember it was related to Thunderbolt over USB-C for him, because of the dock or external monitor. He talked about it a lot in " Linux Unplugged" (that was maybe 8-10 months ago iirc). I'm sorry I cannot solve your problem entirely, but here are a few clues and ways to mitigate the problem.įirst of all, I'm pretty sure Chris Fisher from Jupiter Broadcasting (VP of Community at LinuxAcademy) has/had the exact same issue with his X1 Extreme or something like that. These set of commands do kill the target processes and that cools down my system, but it's too cumbersome because I had to repeat these commands every time after starting my PC. Sudo systemctl start systemd-udevd systemd-udevd-kernel.socket systemd-udevd-control.socket Sudo systemctl stop systemd-udevd systemd-udevd-kernel.socket systemd-udevd-control.socket There are 2 interim solutions I understood from there. I referred to this link at askubuntu which discusses the same issue I am facing. There is a process "systemd-udevd" which has two running instances on my system with %CPU utilization of 98.x and 3x.x. Some google search helped me identify the culprit. Since the first boot, I am facing heating issues on my laptop. I have installed Ubuntu 18.04 a couple of days back on my Dell Inspiron N5010. I am a first time user of any Linux distribution.
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