Xwayland vs wayland. Spent a full hour trying to make it work, to no avail.

Xwayland vs wayland This package provides an X server running on top of wayland, using wayland input devices for input and forwarding either the root window or individual top-level windows as wayland surfaces. Only game with reliable benchmark that I was able to run on native Wayland is Xonotic and it run like 2 fps more performant than under Xorg. Pointer locking works fine for me in Wayland in both Xwayland and native SDL2 games using SDL2-hg and xorg-server-xwayland-git (for pointer warp The point is to look how a native wayland game runs vs the x. I doubt it. In practice, X11 games are (very) slightly faster under Xwayland than under native Xorg (at least with AMD GPU). Think smaller: "flicker / slightly less flicker sometimes". Users report the overall feel of Wayland on Ubuntu is better than the legacy display, Xorg. Granted theses benches are from 2021 so XWayland has improved since then and now surpasses Xorg in some cases, however usually they're on par & sometimes less performant. However, many applications that are supported by Xorg are not supported by Wayland on The Steam client itself does not yet provide native Wayland support, but hopefully they'll get to it at some point after SteamDeck's release. If the eyes are moving, that window SDDM (Display Manager) uses X11. You can run Cage by running . I am using sway as my WM. Yes, I run things 24/7 around the clock that are and always will be, X only. Xplane 12 high - xorg has another 11% more frames than wayland Ddrace network both versions - on amd cards wayland is ~3% faster. For desktop, you can choose between Wayland and X11 in the lower left corner of SDDM. org relies on a client-server setup. Xorg. 11 got an experimental Wayland support. I don't mind that. Wayland also implements Xwayland which is a protocol to run a xserver inside wayland to allow backwards compatibility for legacy apps that have not updated their code. The Wayland devs expect us all to use XWayland (lol) but that is just a bandaid on top their maggot infested wound, they call a "soultion" (lol), that is Wayland. Edit: Oh and the wayland input lag might be less pronounced on AMD, but maybe my perception has simply adjusted already. Xwayland compatibility – Runs X11 apps in a Wayland session through automatic protocol translation. If wayland gets more and more the default for linux, will that mean that games will need to support it. Vertical Sync: The entire experience operates smoothly without the need for tweaking, ensuring a For example, from a security standpoint Wayland is much better than X. log. Untuk yang belum tahu, Wayland adalah display server protocol yang dirancang sebagai suksesor X Window System yang dipandu I'm guessing, when you're talking about "X vs Wayland render performance", we're not in the size category of "unresponsive / responsive". And a couple other things that Xorg doesn't support but Wayland does. These patch requests need to be merged: Wayland was begun by Kristian Hogsberg, an X. When in a wayland session however if a piece of software relies on X11 then a xwayland session is started on top of wayland. On Intel Arc (which I've now been using for about 6 months now) wayland has been a much better experience for me than Xorg though Xorg support for these cards has gotten a lot better with linux-6. Wayland is developed as a free and open-source community-driven project to replace the X Window System (also known as X11 or Xorg ) with a modern, secure, and These do not support Wayland (yet). Hi all. You can find a comparison between Wayland and Xorg on Wikipedia. Mir: The canonical thing Mir is a Only one app will be launch through Xwayland, your game. Thanks twizmwazin! When comparing Wayland vs X. Seperti judul, artikel hari ini akan kita gunakan untuk sharing perbandingan 2 protokol display server yang sering jadi perdebatan di kalangan pengguna sistem operasi berbasis Linux. 04, so you shouldn't try to uninstall it. The version 5. ), this is mostly what I was EDIT: I also see no reason why nvidia can't make that clocking tool work in Wayland/Xwayland as they recently did with nvidia-settings. . Insider version 1. Wayland aims to be a leaner and more secure successor to Xorg, but it also comes with compatibility challenges. using xeyes or xlsclients I can confirm discord is running through XWayland. By default, Xwayland (as any Wayland client) uses the keymap set by the Wayland compositor using the standard Wayland protocol. But you will be able to enjoy wayland pros. Yet, issues with *clamtk* and *goverlay You won't get any benefit on performance using Wayland as probably your game will run on xWayland, which adds one more layer (maybe it's worse?), and even if the game uses Wayland natively, I don't think that it will increase the fps. Wayland also removes X11's client-server concept (usually for the better), but you might find that remote desktops don't work the way you're used to. I am running Gnome, but had the same problem when I switched to KDE on Wayland. Xorg vs. I always had problem with wayland with nvidia, for me X work really well, However on my surface wayland is really good, i think the actually use of wayland (for now) is more for the people that want to contribute even just with a bug report or As I've touched on, tk. This is where Xwayland comes in. doing the operation on a native Wayland window. Wayland is far from replacing Xorg. Ubuntu Wayland vs. 9 KB) I notice also on Wayland: $ vainfo libva info: VA-API version 1. Buckle up, folks, because we're diving deep into the X11 vs. the reason why you need to build dwl on freebsd rather than using the port or packages is because the dwl package lets you set an variable called DWL_HOME_CONFIG that points to a dwl config. And if you don't. Gnome has the bigger push on it that’s why they are ahead. The way XWayland works is it implements a complete X11 server, which games using the X11 protocol can interact with. Xwayland is installed by default in Ubuntu 22. 36 on Ubuntu 20. Wayland is developed by a group of volunteers initially led by On Nvidia, xorg performs better for gaming by a long shot while on AMD, wayland seems to be ahead by a bit (especially in a multi-monitor setup) despite the Xwayland overhead. One of the main advantages of Wayland over X11 is its improved performance. If you use sway, hyprland, or any other Wayland compositor, you need Wayland. which is still better than running everything on Xorg Let’s note that there’s something called XWayland, it’s an X11 server running right inside a wayland compositor. Pierre-Loup Griffais (Valve) confirmed that the Steam Deck will run on Wayland using the compositor gamescope, which is optimized for speed: It’s getting game frames through Wayland by way of Xwayland, Wayland Display Server / XWayland application: in this flavor Mutter runs on top of KMS and libinput and implements the compositor side as well as various extensions of the Wayland core protocol. It's mostly fine and felt somewhat smoother that X11, but I had some issues with Plasma (KRunner sometimes stopped opening, Plasma panels sometimes froze), plus, occasionally XWayland would just freak out and break in weird ways. Editing scenes became a frustrating ordeal, with frames from 10 seconds ago If you look at figure 5 and the surrounding description, XWayland is part of the Wayland compositor, not the other way around. Wayland is designed to be more efficient in handling graphics and input, resulting in smoother and more responsive user interfaces. 0 will release. In terms of benefits, Wayland is a lot less complex than X which should make it easier to maintain - although some of this simplicity comes from pushing the complexity (eg: how to actually draw onto that buffer, network transparency) to other layers of the stack A subreddit dedicated to the Sway window manager, a drop-in replacement for the i3 window manager, but for Wayland instead of X11. At least for Plasma Wayland which is BROKEN for most NV owners. It also provides facilities related to running X11 applications using Xwayland, so they enable a compatibility layer to graphical 51 votes, 85 comments. 17. nvidia-bug-report. Wayland can run all applications intended for X. Starting a replacement project was deemed to be more Wayland is a display server protocol. Wayland handles the clipboard differently from X11, so some programs might not copy and paste as expected. 2, this still happens to me on Arch. It is trash in its current state. org one. 04. Toplevel can be emulated with wlr-layer-shell, but xdg-shell doesn't support root override windows. XWayland steps in to help, allowing many apps to run well. not having to pass through XWayland, it'll likely surpass Xorg in all cases. some apps I use do not work under wayland, but most have alternatives available Testing gnome brought so many problems with it in itself compared to my previous setup that I could mention many problems but they occured on both xorg and wayland under gnome. Welcome to /r/Linux! This is a community for sharing news about Linux, interesting developments and press. Since it's hard to differentiate which window is using X11 or Wayland, there's a fun little way of doing so: run xeyes and hover mouse over a window. You can get most games utilizing SDL2 (or even SDL1 using the sdl12-compat) for setting up their windows to run natively Application support for wayland is not yet perfect, so you may find bugs in applications that try to do unexpected things with the X11 protocol through XWayland, or in applications that have not fixed all their rendering bugs on Wayland. For video games, developers tend to use SDL2 which supports seamlessly both X11 and Wayland Wayland vs X11: Summary 2 minute read Bevy performed admirably, natively supporting Wayland. The problem with Wayland is that you need the 490 Nvidia driver to use it with Nvidia graphics cards. Org for most people. Wayland is a solution looking for a problem, and creates more problems than it fixes. Similarly, "GNOME" and "GNOME on Xorg" also do the same thing. /build/cage APPLICATION. 0 libva error: vaGetDriverNameByIndex() failed with invalid Xwayland: Wayland is a complete window system in itself, but even so, if we're migrating away from X, it makes sense to have a good backwards compatibility story. Side note: The mutter compositor is what ubuntu (when using gnome) uses to handle the Wayland protocol stuff. X. Tried increasing the scale, which resulted in a horrible resolution on XWayland apps. Probably due to better buffer management. Org developer, as a personal project in 2008. Am I missing something or do others have the same problem? Maybe software creators are faster to get rid of XWayland process. Edit: I misspoke here, as Cosmic DE is natively supporting Wayland and will implement Xwayland for But I can use Wayland on ubuntu for most everything with no issues (although it looks as most things are just using Xwayland workaround with few things built to take advantage of it yet. This option is meant for some specific use cases where it may be desirable to let the X11 clients control the keymap used in Xwayland, ignoring the keymap specified by the Wayland compositor. Wayland would seem to be the future for Linu I think this needs to be emphasized more. To enable this, make sure that your version of wlroots is compiled with this option. You can't disable VSync on Wayland, you can't disable VSync on Nobara brothah. If you're looking for tech support, /r/Linux4Noobs and /r/linuxquestions are friendly communities that can help you. Wayland protocol changes this to simpler direct communication The major difference in my eyes is that Wayland is closer to the kernel than X-Server. GNOME may work a bit better. I only run Intel graphics cards, and don't And many other attempts at trying to force Wayland on VS Code won't work, even with extensions disabled with the --disable-extensions. XWayland actually increases latency compared to Xorg. The only way you can run VS Code currently, is by either running it under x11 or under XWayland, there's no other way. And, for the most part, for what it is, it's here. Performance. The normal Wayland compositor contains an XWayland component and starts an instance of it to handle X11 clients (it’s true the to the X11 clients, XWayland just looks like the real deal). Gamescope can't run on latest nvidia drivers at all due to bugs. Ultimately this accumulated legacy means Wayland adoption progresses gradually over years rather than overnight. Wayland still has a few headaches, but I like the lack of screen tearing. Finally, you may have the option to choose. Electron apps can be put into Wayland mode as long as they are not too old, but once again, you have to make that tweak. I've been gaming on Gnome Wayland + Nvidia ever since XWayland acceleration arrived in 470 (before GBM) and gaming was GNOME itself will either run on Wayland or X11 depending on what is set in GDM, default is Wayland if you don't use NVIDIA. Firefox got hardware video acceleration on Wayland way before the X11 version did. Given the release of Firefox 75 with Wayland improvements and also Firefox 76 now being in beta with even more work on the Wayland front, here are some web browser benchmarks under Wayland and the X. 10 up to today’s release of 21. In this article, we will compare the attributes of Wayland and X11 to help users understand the differences between the two. But, apps that are built specifically for Xorg, can't run on Wayland. Additionally, Google Chrome benchmarks on Wayland and X. Measuring the Rate of Wayland freebsd dwl wayland tiling window manager install with patches in a separate git branch. Note that you'll need to have the XWayland binary installed on your system for this to work. Given the latest news from GNOME, I was just wondering if someone could explain to me the history of the move from X11 to Wayland. xwayland is a minimal xserver that runs x apps in wayland. It is a communication protocol that specifies the communication between a display server and its clients. This is inefficient because you always have to copy the framebuffer. 04 LTS). Org Server session with GNOME Shell 3. Ever since NVIDIA started using AI for their driver development, things have just got worse with their drivers. Like Fedora, Wayland has been the default display server in Ubuntu since 2017 with version 17. It is aimed to become the successor of the X Window System. Wayland support for KDE Plasma was delayed until the release of Plasma 5, though previously KWin 4. Because Wayland is newer, it was thought for modern computer usage. Obviously, it could change when SteamOS 3. Too many bugs or limitations. Org were also carried out. Org and Wayland for (X)Wayland is In the talks around Wayland vs X, the maneer Wayland proponent(not only its developer and also any linux user) dismisses critics of missing feature because 15 years later they're still not standardized or lack of composabilty between windowing and compositing is a stark contrast with the way we used to talk about free and open source software at the turn of Wayland does. Reply reply Wayland is a communication protocol that specifies the communication between a display server and its clients. Native OpenGL itself has seen a 15% reduction in performance in Wayland vs X. Fullscreen unredirect support under Mutter/Wayland worked for X11 apps before it worked for native Wayland apps. Wayland VS X11 - Selamat sore semua. So Pros of Wayland: Lightweight: The codebase is leaner, free from the burden of legacy code that often complicates maintenance. Our result was that the webgl aquarium demo showed 24 fps when the browser was running with native Wayland support and 6 fps when the browser was running with native X11 support in X11 Setting up screen sharing via Chrome takes a simple tweak, yet it is not on by default (and when this is enabled, you can use Zoom or Google Meet in the browser in a wayland session, even when Chrome is still using xwayland). Looks like 30FPS (GNOME). 4 of Plasma was the first with a Wayland session. It lets application that aren’t able to be rendered on wayland to work. Maybe wayland works better for me with sway (the i3wm alternatve for wayland). But your browser support native Wayland, discord too, Mumble, slack, vscode, gimp, any gtk app. Wayland, is "the future". Wayland project is backed by Intel and Collabora, growing to be found in gadgets like Wayland has made strides but can still have issues with some apps and games. The Enlightenment team have always done amazing work with graphics, and are also working hard to implement Wayland. XWayland allows existing Xorg applications to run on a Wayland display server, while still taking advantage of the benefits of Wayland. Many games use SDL2 and i think many engines have support for it. As far as I know discord is an electron application. [9] A display server using the Wayland protocol is called a Wayland compositor, because it additionally performs the task of a compositing window manager. Fyi, these tests are actually XWayland vs Xorg. g. 0-insider (commit dated 2022-04-28) still dumps warnings in the console, but starts up perfectly well on Wayland. Just tried that and yup. Xwayland is still needed for games that are not using a middleware library that supports wayland and interactions with wayland libraries from older distro It's also worth mentioning that compositor doesn't need to support explicit sync to fix flickering on Xwayland apps with NVIDIA 555 driver. Although XWayland adds an extra layer of software translation, it does not completely eliminate the benefits It Will Run on Wayland. With a few changes, the Xorg server can be modified to use wayland input devices for input and forward either the root window or individual top-level windows as wayland We haven’t compared the performance between Wayland and XWayland yet. 4 But, switching between Wayland vs X11 is possible in system settings. It's absolutely nothing like Xorg. Comparing xorg vs wayland, there are key differences. Wayland devs are all "WONTFIX" their incompatibility with various things. Having managed Xorg is the "just works" option still. I have the standard discord package installed. They're X11 clients running under Xwayland, not native Wayland ones. This alone makes it preferable to use Wayland was started by X11 developers wanting to address the limitations, shortcomings and complexity of X11. If you run it from within an existing X11 or Wayland session However, not all applications have been ported to Wayland yet and this is where XWayland comes in. This is done to maintain backwards compatibility with software. It's Wayland, btw, not to be mixed up with XWayland which is a emulation layer that wayland uses to run X11 native aps. However, Godot relies on Xwayland for its game editor, leading to disruptive glitches such as random frame appearances and menus misaligned with the mouse cursor. Xorg doesn't have vsync (if you don't use a compositor), Wayland does. As of version 1. Like, one of the non-subjective things I can replicate is panel icon drag & drop being quirky. But, this should not matter. Yes, it runs in Xwayland. eg I run wayvnc on my media server so I can connect to it from my lappy (with One note is that most games don’t use wayland directly, but instead use xwayland. The only rendering Wayland does is to copy the client's buffers onto the screen. true. Off the top of my head 60FPS recording is broken on OBS. am I crazy or perhaps Wayland is showing 90fps but the xwayland window performance is lower??? btw I am playing using fullscreen setting. I also saw wiki mentioning EGLStreams vs GBM buffer APIs, but I not sure what to make of it as this only occurs in XWayland applications - native games that are not running through wine work flawlessly. I highly recommend you to also enable XWayland for this use-case, as many apps only support X, and you will likely run into many issues if you don’t have X support as well. Spent a full hour trying to make it work, to no avail. What are the issues with X11 and why is Wayland better? What are the technological advantages and most importantly, how will this affect the end consumer? In big team fights FPS will drop to "90" but it feels like 30fps, even though the FPS counter is higher! on x11 it looks like I don't get as many FPS but in big team fights the game doesn't slow down like Wayland does. If it is a Wayland rather than labwc issue you appear to have two options: switch to X11 or find out if Wayland allows the manipulations you want to do and recode accordingly. Instead of driving a display directly (like xorg, the X11 server normally used), XWayland presents windows through the Wayland protocol, which It appears VS Code always defaults to XWayland on running on Linux Wayland desktops (at least when I tried on Fedora Workstation 39 and Ubuntu 22. Like others have commented check if your browser is configured to use wayland instead of x11, if not it’ll use A proper comparison would be X11 (37) <-> Wayland (13) and Xorg (17) <-> Plasma Wayland session (6). The Night Color management in Plasma was a thing on the Wayland session before the X11 session. Firefox is particularly bad for this. h file which VS Code Version: 1. TL;DR: Avoid Wayland if you have dual monitors. Btw. The whole X11 vs. 66. Wayland is a modern replacement for X11, which has been the default windowing system on Linux for decades. This could be the cause of lag in your situation. 66 OS Version: Fedora 36 Steps to Reproduce: When I launch vscode with code --enable-features=UseOzonePlatform --ozone-platform=wayland it does not run under wayland it does under xwayland. With the move of graphics drivers from X to the kernel (known as kernel mode setting, At the very least I have NO desire to run Wayland, to literally -- LITERALLY, live in XWayland 100% of the time. Popup windows and context menus in Does anyone know if there is a plan to add Wayland forwarding to SSH, or some way to forward Wayland apps? It would seem to me like Xwayland would solve your problem and you can just keep using ssh -X no? If you're running it over SSH you're probably not expecting stellar performance anyways and the performance degradation you do get is going to likely be KWin and Mutter have partial Wayland support, with plans for complete suppport. With recent NVIDIA's proprietary driver updates continuing to refine their Wayland support, the open-source AMDGPU Linux graphics drivers continuing to be enhanced, and work on the GNOME desktop with Mutter compositor continuing to advance, today's benchmarking article is looking at how the GNOME session under X. Cage comes with compile-time support for XWayland. Org is ranked 1st while Wayland is ranked 2nd XWayland is necessary to support the vast majority of GUIs that don't yet fully support Wayland (e. So down the pipe soon? 🤞🏽 I have managed to get the official release opened on Wayland a few times with a tiny hack I found on VS Codium's Github page, but it doesn't seem to work every time, or even You can verify if it's a wayfire vs labwc issue by switching between labwc and wayfire in raspi-config. Disadvantages: intensely unstable (need a few years to mature and a rewrite of gnome shell), the add security will result in loss of functionality Can't run wayland or gamescope with my 4090. But in some edge cases some things are different when doing operations on an X11 window running on Xwayland vs. This doesn’t make much of a performance difference in games as OpenGL and Vulkan draw directly to the screen. X11 Vs Wayland . Once it's fully Wayland e. Virtualbox in full screen mode under (KDE) Wayland host and (KDE) Wayland guest creates the biggest issues for me. 67. When you write an app, you use a framework or a GUI toolkit (GTK, Qt). Try it out yourself, and then choose what you like and what works best for you. Display servers But in recent years, a new option has emerged – Wayland. Binding names (scroll) aren't compatible between X11 and Windows already, and Wayland doesn't handle scroll events as buttons (XInput either though, but those events are still produced to retain backwards compat. (Update, July 30 - Now that the FPS cap has been fixed, I am shocked to note a more than 60% drop in performance in Wayland vs X11 using DXVK. Wayland is a communication protocol that specifies the communication between a display server and its clients, as well as a C library implementation of that protocol. Wayland. it is an extra step and the most convenient method to always start VS Code with Wayland is to append --enable-features=UseOzonePlatform --ozone-platform=wayland to your No, there is currently no way to disable VSync on XWayland on Wayland and current implementation works ONLY for Native Wayland Apps that explicitly support disabling VSync, so the app count is 0. It manages how apps talk to the hardware through the X server. Wayland is a communication protocol and that defines the messaging between an X Window dis Wayland is much better if you're running hidpi. We can and do use XWayland for that. I have to use Chromium in Xwayland because otherwise drag and drop doesn't work (in 2024!) Everything was extremely zoomed out on my 4k monitor. But when you get FPS in hundreds it doesn't matter. Wayland is modern and addresses modern users needs. org except for stuff like screen capture or screen recording. Firefox). Ongoing investments – Mozilla, NVIDIA, Unity, Blender and more commit to advancing Wayland support. It translates Xorg specific calls to Wayland and makes it run on Wayland. gz (491. But why should the game devs care for the few % of the linux gamers that did use wayland the last Years. None of the games tested have native Wayland ports, and therefore do not benefit from any of the Wayland improvements hence the actual loss in performance vs Xorg. On amd both cards have similar results, but on rtx xorg is much faster (20, and 100% of wayland's frames) Basically most games use XWayland so most comparison are Xorg vs Xorg under Wayland. Though, we did run some tests on Rpi3 with Chromium in Wayland and X11 sessions. X-based applications have almost no isolation from each other, meaning everyone can access everyone's internal Both X11 and Wayland are protocols, the messages that these protocols define can be found as xml here for X11, and here for wayland, but they aren't really that interesting to look at. Fedora These games are still using an X11 backend. Org, the Slant community recommends X. Wayland thing Development Whilst I get Wayland is the future I have a bunch of issues with it. and years away from being competitive. Err, we don't have to wait for all apps to support Wayland. You can run wayvnc to create a vnc connection for a remote sway session. ). I recently tried Wayland (KDE Plasma on Nobara) on an NVIDIA system. Why wouldn't Wayland/XWayland contain opengl, that sounds extremely weird, opengl is the basis for a whole planet's gaming/simulation etc industry to do rendering in a truly platform independent way? It smells really bad, but when searching around a little I think it's coming to sailfish also, it has to. xwayland isn't only available with labwc. But, video games should run through XWayland with the Gamescope Wayland compositor. However, there is a compatibility layer called XWayland to help with regards to old X11 clients that you might still need to run. Wayland is newer and more efficient with memory and overhead, while Xorg is Here, "GNOME (Wayland)" and "GNOME on Wayland" do the same thing. But If you have a monitor with a higher than normal dpi, then anything using xwayland will I'm curious if other folks who care about having a really lightweight environment are moving to wayland or just sticking with Xorg for now? Update: I decided to stick with sway+wayland. There are many people who love Xorg, but there appears to be a big difference between development efforts between Xorg and Wayland. In the question "What are the best Linux display servers?" X. Emacs vs Vim, Systemd vs SysVinit, wayland vs X11, it's all the same story every time. I am testing using phoronix-test-suite run unigine-heaven Decided to use Window Mode 1920x1080p Xorg = 114FPS Wayland = 13 FPS I attach my bug report (which i generated after i had ran both tests). However do note if your using Wayland, not all apps run in Wayland mode, but in Xwayland. Wayland showdown! X11: The Old Master of the Canvas X11, the granddaddy of Linux display servers, has served us faithfully since the 80s. Hardware acceleration is hacky or broken at best with Firefox under X (and therefore also Xwayland). GNOME Classic which gets installed along with gnome-shell-extensions package). Edit: Changed Weston to mutter. It's not using Electron either. IMO testing on Plasma 6 right now is not testing Wayland vs X, it's testing a random assortment of unsquished bugs. On nvidias card xorg is ~80% faster Tesseract, unvanquished - similar situation to ddrace network. The aim of Wayland is replacing the X Window System (Also known as X11, or Xorg) with a modern, secure, and Xwayland is an X server for running X clients under Wayland. And these options are duplicated for any custom session installed on the system (e. I don't use any non-wayland apps it turns out, so I just finished rebuilding to remove xorg and xwayland entirely. To make it short, your whole system can run Wayland, except sometimes it will run through Xwayland like Jetbrain suites. A display server using the Wayland protocol is called a Wayland compositor, because it additionally performs the task of a compositing window manager. Wayland's advantages are security and eventually better graphical performance with less screen tearing. My previous results are invalid and I will have to run all the suites again to get a clearer picture of what is going on). By the time Wayland might competitive, there could easily be another, new approach that's superior to both, making it seem counterproductive to switch to Wayland Because games use X11, XWayland is needed to allow them to run in Wayland. fithbd vnjfmd kqngk brw abachmen lobv kcv alhtbi ygqfhdm acp