Do you have an nvidia GPU? It’s the most important thing to know.

I have been using KDE on Arch across several machines for about 3 years now, then Manjaro for a year before that. At no point have I experienced instability or issues like that. Especially that last one; I’m the sort of person who regularly has 10+ tabs open on laptops with a fraction the amount of RAM that you have.

I would say that is definitely not normal. If that happened to me, I might search online or check journalctl -b -p 3 to see if it yields any clues.

KDE Manjaro running on 4 or 5 of my machines, pure stability. It sounds like a hardware issue.

Here are my suggestions to diagnose this.

Option 1. Setup an ssh server, connect from a second computer (or phone via Termux), execute $journalctl -fe, and observe the journal from your second device when the crash occurs. That should help pinpoint the issue.

Option 2. If you don’t have a second device, use a non-gui tty, access via Ctrl+Alt+F1. (Usually terminals are available F1 thru F6). Once again execute $journalctl -fe and observe it during the crash.

Tbh option 2 may just be easier especially if you have minimal knowledge of ssh. Good luck, ping me back if you find this helpful and would like more perspective, and apologies if this doesn’t help you.

If the entire computer crashes, boot into a terminal and browse journalctl history of previous boots, sorry I don’t have these commands off the top of my head but if you need them and ask I will get them for you.

had a couple of crashes when 6 was released, but they were fixed pretty quickly and has been rock solid ever since. Those crashes probably had more to do with my nvidia card than kde itself, tbh

For what it’s worth, I experience none of that. My laptop is absolutely rock solid with KDE, it’s like a MacBook you pull it out of your backpack and it’s ready to go before I’m even done opening the screen.

My desktop is currently just over 5 days of continuous uptime (no sleep). I’ve crashed more often because of ZFS than KDE.

Both are ArchLinux. I also have a friend on Bazzite that doesn’t have issues with KDE either, and it runs great in my VM.

Those all sound like possible graphics driver issues.

openSUSE has the best integration of KDE, but I wouldn’t expect to see issues like yours on any distro, really…

Is KDE actually good or it is overrated?

That’s like a trick question 😀
If I say it’s good, and that contradicts your own experience with it, you can say “see it’s overrated, people say it’s good, but in fact I know it sucks.”

I use it on Arch but I’ve seen people using it on Fedora and it looked good and stable.

Did you try to look into it, see what’s causing the problems?
In my experience having used Linux and KDE Plasma for about a decade now, if you wanna have a good time you’re going to have to figure stuff out, check the logs, troubleshoot, look it up online, etc.
If you expect to go through different distros to find one that “just works” you’ll be disappointed, and you’ll be wasting your time. Issues can be hardware-specific, maybe you just need to pass a parameter to the kernel, or change a config somewhere or something like that…

There is a bug that is open right now which sounds like it might be one you were experiencing or possibly explains part of the issues.

https://bugs.kde.org/show_bug.cgi?id=501073

Like the web browsing might have been from middle clicking, which causes a lengthy hang and resuming from suspend and powerdevil are a prime suspect for it.

The login wait might be an issue I vaguely recall about the splash screen and that disabling it removed the startup hang.

I’ve been exclusively using Manjaro KDE since September of 2021 and the linked issue I started getting a couple months ago and it’s gotten bad enough to make me want to start hopping again.

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I’ve never had issues like that on Kubuntu, Debian, or EndeavourOS. KDE is great and I love it.

In my experience, KDE can run just fine, but it is seemingly pickier about drivers and hardware (I’ve had a loose DisplayPort connection crash it several times) than other desktop environments.

I’ve used it on Endeavour for about a year and on Tumbleweed for eight years before that with no real problems other than plasma-shell occasionally restarting. I have Nvidia and the open drivers.

I gave KDE a serious go again recently but it has some really annoying bugs on multi (3) display systems that affect me but probably not the grand majority of KDE users. Reported the issue, debugged it extensively, pinpointed the exact problem in the bug report and how to reproduce it (found out it also happened on dual screen setups). Then nothing happened. Ticket went quiet and it has been several months now.

I also had plenty of crashes in KDE apps.

I completely get the volunteer basis that KDE builds on, and I am not complaining that my issues do not get fixed. I understand it is being mostly built and maintained by people in their spare time and my issues are probably low priority. But for me personally it is stuff like this that makes KDE unusable as a daily driver.

I use Fedora KDE, and I don’t think ive ever seen crashes that bad on my system (AMD CPU and GPU). I used to have a small problem with RADV crashing during video playback, but that solved itself after a few updates.

I’ve been daily driving Fedora KDE on two different systems (both all AMD, one laptop and one desktop) for nearly half a year and have experienced almost zero crashes or other issues. Maybe it’s something to do with your hardware? I do know of some issues with NVIDIA graphics cards on KDE, so that might be a cause.