No plasmashell in the process table, no need to kill it. Within an hour or so, the plasmashell process will be using over 20% of my cpu and my laptop fans begin to run too. For KWin on X: kwin_x11 --replace For KWin on Wayland: It is the session, basically, there's no way to recover.. For Plasmashell: plasmashell --replace¹ ¹) This is new in Plasma 5.13, previously you had to do kquitapp5 plasmashell followed by plasmashell and please do not use killall (kquitapp5 tells plasmashell on DBus to gracefully quit) Eventually I found that I had to manually remove the local folder as … But if you type ALT+F2 and open up a konsole, you can see KDE is just running fine without plasmashell. While I was doing that, Plasmashell crashed and it generated this report. KRunner is the launcher built into the Plasma desktop. Package: plasma-workspace Version: 4:5.8.2-1 Severity: important Dear Maintainer, The screen is BLACK vision and the process plasmashell is missing and closing in one minute. Top says that, on my laptop, plasmashell is using around 5% of my CPU immediately after start up and then it grows from there. My laptop has an 8 core Intel i7-4810MQ CPU @ 2.80 GHz. I've tried already deleting my ~/.cache folder to no avail. > I have not found plasmashell process (ps aux | grep -i plasmashell). The process plasmashell (with pid 4895) is using approximately 8.4 GB of memory. -x, -f) will allow partial matches on process names. I've been noticing an increase in CPU usage by the plasmashell process. At the moment, the bit that notifies about system updates was a plasmoid and it was working well. So "pkill amarok" would kill amarok, amarokBanana, bananaamarok, etc. It is using 8.4 GB privately, 270.1 KB for pixmaps, and a further 64.8 MB that is, or could be, shared with other programs. Running poweroff in the shell, will. The problem was that as a plasmoid it did pull quite a lot of dependencies (flatpak, packagekit) that we kept alive and sometimes were found to de-stabilize the plasmashell process. Looking at the Library Usage section I see, in the Private column: plasmashell process spikes and remains at 100% CPU; Grouped items on the taskbar won't pop up a list of all windows in the group; No matter how many times I try to shut down or restart my computer through KDE it will not. Note that pkill with no other parameters (e.g. pkill -x matches the process name exactly. That 8.4G started out as a whispy 200M when I first boot the system. pkill -x amarok pkill -f is similar but allows a regular expression pattern. I had an old version installed and it crashed plasmashell after an update. Also, no need to tell it to go on background (or disown it), because it … While its basic function is to launch programs from a sort of mini-command-line, its functionality can be extended by “runners” to assist the user to accomplish a lot of tasks. In my case, just typing: kstart5 plasmashell will solve the case. Not executing new programs and not working on the versions packages in this moment. I ended up removing my plasma-org.kde.plasma.desktop-appletsrc config and starting from scratch. I wish … > I think you are speaking about plasma-desktop instead "plasmashell" is the name in Plasma 5. But even after installing the AUR package it would still crash. You filed the bug against plasma-desktop, which is the Plasma 5 package. pkill plasmashell; sleep 1; valgrind --tool=callgrind --instr-atstart=no plasmashell This will start plasmashell, some "valgrind" process will eat all your CPU (that's ok) and once you see plasmashell getting "too busy" again, you run Code: Select all callgrind_control -i on what activates callgrind and makes it measure things.