For information, I've also checked the status of org.kde.plasma-desktop, org.kde.kuiserver and org.kde.kded which all seem sane when a freeze occurs, therefore KWin seems the real culprit. Mutter, Compiz, KWin, etc. KWin needs to be flexible enough to handle such evolution without having to rely to workarounds. Over time, the memory usage seems to increase on my machine. ... You can use GDM to start KDE, or SDDM to start GNOME. End result is that the plasma desktop wasn't started. For ease of reference, users wanting to report a KWin crash can just copy-paste the following two commands, wait for the crash to happen and ignore the rest of this page. So, if you’re using KDE and you want a quick way to restart a broken or crashed Plasma panel, you’ll need to create your solution. KDE is an international and diverse technology team creating user-friendly free and open source software for desktop and portable computing. This allows you to change both the look (appearance) and feel (behavior) of the window manager. After enabling it, you should be able to run commands sequentially with -ex or --eval-command. I've only been able to partially restart plasma in the past. Obviously, that's an undesired behavior. 7.0. For starters, and at least in Kubuntu, the first available terminal outside your desktop environment is tty2, so you will have to use the Ctrl + Alt + F2 combination to get there. In a situation where the Plasmashell and KGlobalAccel5 processes are still running but KWin has crashed, you will probably see a sad face in your notification tray, that's DrKonqi, the KDE Crash Handler, getting sad that you experienced a crash. KWin (pronounced "kay-win") is the window manager for the KDE Plasma Desktop. - kwin does not exist anymore, it has been replaced by "kwin_x11" and "kwin_wayland". The D-Bus interface is still org.kde.KWin, the config file is still “kwinrc”, etc. killall plasmashell && kstart5 plasmashell, You can assign them to keyboard shortcuts. another VT or via SSH - depending on what's available on your system. The KWinFT project. The default window manager for KDE is KWin. In case you were unable to create a backtrace using the KDE Crash Handler, proceed to the section KWin/Debugging#Debug KWin with GDB. Daily Forecast Plasma 5 Weather May 06 2020 . Thank you! For KDE Neon users or other instable KDE distro, is nice to have a shortcut to restart both Plasma and KWin whatever its freeze. Restart the window manager with a command The KDE Plasma 5 window manager (KWin) can easily be restarted or re-run if needed. Kuba Kuba. This is a security feature in "newer" Linux kernels, you'll need to explicitly allow GDB to attach to a non-inferior process: You just copy the gdb output into a file. This is probably the first thing you'll need to circumvent. qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 1813, resource id: 104857620, major code: 3 (GetWindowAttributes), minor code: 0qt.qpa.xcb: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 1814, resource id: 104857620, major code: 14 (GetGeometry), minor code: 0kwin_core: Compositing is not possibleCould not attach Keys property to:  PlasmaQuick::Dialog_QML_1(0x55dfbe914430)  is not anItemfile:///usr/share/kwin/tabbox/informative/contents/ui/main.qml:134: TypeError: Cannot call method 'longestCaption' of nullqt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 2490, resource id: 104857659, major code: 3 (GetWindowAttributes), minor code: 0qt.qpa.xcb: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 2491, resource id: 104857659, major code: 14 (GetGeometry), minor code: 0qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 2494, resource id: 104857659, major code: 3 (GetWindowAttributes), minor code: 0qt.qpa.xcb: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 2495, resource id: 104857659, major code: 14 (GetGeometry), minor code: 0. Some have suggested DISPLAY=:0 kwin_x11 --replace. For information, I've also checked the status of org.kde.plasma-desktop, org.kde.kuiserver and org.kde.kded which all seem sane when a freeze occurs, therefore KWin seems the real culprit. This is very annoying. That causes me following problems: External monitor stays black after plugging it in. Simple Weather Plasma 5 Weather May 04 2020 . Nowadays it's common for programs to take advantage of multiple threads to run more efficiently and make better use of the CPU cores available on your machine. systemctl --user restart plasma-plasmashell And you might get a DrKonqi icon on your panel mentioning the KWin crash. I tried several ways to restore the desktop environment integrity with no luck. It is the primary means for the KWin developers to find out what happened on your machine. If you want to fetch relevant information to report a bug with KWin, the following command will provide a general list of data that should help the KWin developers diagnose your problem. It also does this on X, but you can add MaxFPS=240 to kwinrc to make it work, then disable vsync to make smooth animations (otherwise again, it syncs at 75hz). NoBorder Firefox When Maximized Kwin Scripts Nov 13 2017 . The same happens if I move a window between monitors using keyboard shortcut. We should at least gracefully handle Xwayland crashes and cleanup X11 related stuff. If you look online you get like ten different answers. I too have been seeing compositing shutting off quite a bit, but I figured it had to do with me running Kodi (with compositing shut-off for that app). Now that I have your attention: the binary of KWin/5 just got renamed from “kwin” to “kwin_x11”. Press J to jump to the feed. While interacting with GDB, the debugged process is stopped - that's of course nasty if the debugged process is what paints what you see. I tried several ways to restore the desktop environment integrity with no luck. About. If you want to know what these commands do (recommended), keep reading. But KWin works normally for some reason. It's where you'll run instructions so GDB can fetch the information you want. BUG: 357443. Announced by Roman Gilg, the same developer who became a contractor for Valve last year and part of that work was actually to improve KWin so it looks like this may have come as a result of that. Hi, I am using KDE in debian stretch and encoutered this issue after waking up my laptop from sleep this morning. A bug report was opened regarding that restarting the compositing breaks the EGLStreams back-end for KDE's KWin. Nothing else changed. Normally I leave the KDE-session by 'suspend to RAM' and then I can go on with the last session, do a login and everything is fine. Supporting KDE. You'll get a file named kwin.gdb in your home folder (or wherever folder you run this command). If I follow you correctly, you can press Shift-Alt-F12 to turn Kwin compositing back on. Its first release is available now. I use pkill -ABRT plasmashell. Do I have to write down the debug output by hand ???? Alternatively, you can use the lengthier method made available by GDB. I then need to add tearfree to an xorg conf to stop tearing. I haven't yet figured out all the causes, though the last one is a common problem on all Linux desktops. 3. 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). The environment variable QT_LOGGING_RULES can be used to turn on full debug output from KWin: Show your love for KDE! It automatically restarts after killed by SIGABRT. Restart KDE without reboot. Make sure you have the xdg-desktop-portal and xdg-desktop-portal-kde package installed. KDE is a Free Software community that exists and grows only because of the help of many volunteers that donate their time and effort. openSUSE), by default the command might be named a bit differently: Generally speaking, Plasmashell handles all widgets (including the menu), KWin handles windows and compositing (such as window decorations and desktop effects), and KGlobalAccel5 handles keyboard shortcuts. To restart the graphical user interface, you need to restart the display manager. It’s just a terrible UX. However, sometimes, the KDE Plasma panel can freeze up and crash, which is a huge problem. A stacktrace (or backtrace) is a set of data containing information of the state the program was when it crashed. That's a nice advice, I'll update my restart-plasma alias with your solution. Post … However, kwin_wayland crashes might be a bit trickier to debug. It is a PITA. NVIDIA developer Erik Kurzinger acknowledged that their EGL Wayland code isn't setup to handle compositor restarting. So after attaching GDB to the application process, you'll see the GDB shell. KDE is an international and diverse technology team creating user-friendly free and open source software for desktop and portable computing. KWin has a very flexible theming mechanism, because all decorations are ultimately plugins to the window manager. So at least for now the EGLStreams back-end should avoid applying settings that require a compositor restart until the next time the user is logging in. only one screen is used it seems that this has an influence of the behaviour of the KDE restart issue. Tick the “Desktop” box, select “Apply Initially“, and then select “2:Desktop 2“. Questions 1.Tick the “Size” box and from the drop-down menu, select “Apply Initially“. Purchase books, mugs, apparel, and more to support KDE. With this command you will get the stacktrace for the main thread where KWin crashed. HOWTO: KWin Window Manager Decorations. If you are installing all of these, I recommend installing the Look-And-Feel theme last, as well as installing latte dock from your package manager or command line. Also, the NetworkManager applet now comes with integrated search field into the header area by default. Ultimately, we should restart Xwayland. You should see your rounded corners instantly come back after pressing that key combo. KDE's software runs on GNU/Linux, BSD and other operating systems, including Windows. Content is available under, Getting diagnosis information for bug reports, GDB says "ptrace: Operation not permitted.". GDB provides an easy way to automate debugging: the -batch flag. Click OK. For you as a user nothing changes, the startup is adjusted to start kwin_x11 instead of kwin. By default, you're not allowed to attach GDB to KWin. I close all applications and find that the memory is still around 3gb. Click its icon and you should be able to follow through with the crash reporting process in a straightforward manner. New temporary fix: ln -s kwin_x11 kwin (working, but still not naildown the rootcause). Then, Breeze10 will appear in System Settings → Application Style → Window Decorations. New comments cannot be posted and votes cannot be cast. kde kwayland kwin kwinft wrapland. If I switch workspaces … By using our Services or clicking I agree, you agree to our use of cookies. Go to chrome://flags#enable-native-notifications, search for "Enable native notifications", disable it and restart Chrome. Restarting the KDE desktop environment follows the same approach as Gnome, but there are small differences in the individual steps you will have to take. Use the KDE File selector dialog. KDE/kwin just seems to run at 75hz (or 60 i forgot I formatted) on KDE 5.20 unless I disconnect the second monitor using wayland. - Therefore I get into kde without window manager My simple fix was to set KDEWM=kwin_x11 in /usr/bin/startkde; and it worked (until i emerged world). Announcing the birth of the KWinFT project, a reboot of the window manager KWin and its accompanying libwayland wrapping library KWayland in the form of Wrapland. The KDE Plasma 5 desktop environment is rock solid at this point, and rarely has any breaking issues that make it impossible to use the desktop. KDE is always looking for new volunteers and contributions, whether it is help with coding, bug fixing or reporting, writing documentation, translations, promotion, money, etc. However, sometimes, the KDE Plasma panel can freeze up and crash, which is a huge problem. 2. Just be aware that Neon is not a distribution but a Plasma and KDE showcase, so if you are also using non-KDE applications you better choose Kubuntu instead. Questions Started kdevelop, checked out KWin, edited the relevant sources, compiled, installed, committed. 15. For differences between plasma-meta and plasma reference Package group. Plasma 5 Multimedia. Condensed Weather Plasma 5 Weather May 06 2020 . - Therefore I get into kde without window manager My simple fix was to set KDEWM=kwin_x11 in /usr/bin/startkde; and it worked (until i emerged world). Options Report abuse; New issue; Report abuse New issue Gracefully handle Xwayland crashes . For KWin on Wayland: It is the session, basically, there's no way to recover. etc. I am using KDE Plasma Version 5.5.5 on my Laptop and frequently plug in and unplug different external screens. On KWin restart all windows are shuffled, usually KWin is able to restore ordering correctly, but for some reason not it this case. showing all available threads), use. The KWin settings will turn to the KDE default ones and the problem should be probably gone. Press question mark to learn the rest of the keyboard shortcuts. For example, when you start Konsole, you might want it to always be a window of “800,600” size and want it to start on Desktop 2. Plasma 5 Weather. kwin-style-crystal. 6.5. The default window manager for KDE is KWin. On KWin restart all windows are shuffled, usually KWin is able to restore ordering correctly, but for some reason not it this case. To restart KWin when not being able to focus KRunner or a Konsole switch to text console, and run 'DISPLAY=:0 kwin --replace' (and then you can run 'kwin --replace' again from X). I have two monitors connected, not sure if it matters. Ask Question Asked 3 years, 6 months ago. This kills compositing and produces and ton of errors. Win7 Volume Mixer Plasma 5 Multimedia Jun 24 2020 . Normally I leave the KDE-session by 'suspend to RAM' and then I can go on with the last session, do a login and everything is fine. You can set the exact size, position, desktop, and state of your window. As a result black/transparent container windows are stacked above all other windows and panels. KDE's window manager KWin officially has a full fork with a new project called KWinFT, with an aim to support modern development practices and further expand Wayland support. As a result black/transparent container windows are stacked above all other windows and panels. Right click the Firefox launcher in the app launcher → Edit Application Also a restart into Wayland worked without any problems. key until you reach the end of the stack. A note for anyone who is doing this from a different TTY (such as CTRL+ALT+F1) - you should probably be using setsid or nohup to ensure the process stays open if you close those terminals: Now you can safely close that terminal or exit the TTY without your kwin instance dying. A more detailed explanation of the procedure can be seen in Plasma/Debugging. … I have created mine in the ~/.local/share/applications/"Restart Plasma Shell and Kwin.desktop" with the following content: However, unlike forcing the KDE Plasma panel to restart, Kwin cannot be tinkered with from the terminal window. April 2020, by Roman Gilg — 9 min read. Projects. Active 3 years, 4 months ago. 101 2 2 bronze badges. Alternatively, for a more minimal Plasma installation, install the plasma-desktop package.To enable support for Wayland in Plasma, also install the plasma-wayland-session package. Again, without KWin running there may be focus problems. Kwin Scripts Dec 09 2018 . Obviously, that's an undesired behavior. I know nothing about GDB, how do I obtain a stacktrace? Description: My intention here is to provide all the theme files necessary to make the desktop look and feel in the spirit of Amiga Computers. This is probably the best method if you want to provide some awesome stacktraces for the KWin devs! Recently (maybe after upgrading to xorg-server 1.5.3-r1 [though now I am on r2]) I have noticed that certain actions will cause KWin to crash and therefore cause X to restart. NOTICE that debugging from an SSH login is generally preferable, since it doesn't impact the framebuffer/scanout buffer state. There numerous possibilities just under the geometry tab. Unlike Gnome Shell, KDE Plasma 5 has no real built-in restart mechanism for their users to take advantage of. KDE's window manager KWin officially has a full fork with a new project called KWinFT, with an aim to support modern development practices and further expand Wayland support. New temporary fix: ln -s kwin_x11 kwin (working, but still not naildown the rootcause). This page was last edited on 16 November 2020, at 19:55. This allows you to change both the look (appearance) and feel (behavior) of the window manager. The theme is pretty simple and clean, but can use KWIN… In a situation where KGlobalAccel5 is still running but both Plasmashell and KWin are running, you can still invoke any keyboard shortcut to run a program that allows you to run a command, such as KRunner, Konsole or Yakuake. This entry was posted in Beginner, Linux and tagged compiz, desktop environment, display manager, gdm, gnome, gui, kde, kdesudo, kdm, kwin, lightdm, mutter, unity, window manager on December 12, 2016 by wp-roland. Hello, I have a memory issue with KWIN_X11 which I can't seem to track.