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Kernel Space: Linux, Graphics

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Kernel Space: Linux, Graphics

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Linux Graphics

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Phoronix and Others on Graphics

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  • RadeonSI Gets Another OpenGL 4.5 Extension: ARB_cull_distance
  • GCN 1.0 / Southern Islands On AMDGPU Takes Another Step Forward
  • Testing The Open-Source "RADV" Radeon Vulkan Driver vs. AMDGPU-PRO

    With word coming out last week that the RADV open-source Vulkan driver can now render Dota 2 correctly, I've been running some tests the past few days of this RADV Vulkan driver compared to AMD's official (but currently closed-source) Vulkan driver bundled with the AMDGPU-PRO Vulkan driver.

  • Keyboard Grabbing Protocol Proposed For Wayland
  • Wayland 1.12 Beta Released

    Bryce Harrington announced the release today of Wayland 1.12 beta and the associated Wayland compositor update.

    Ahead of next month's official Wayland/Weston 1.12 debut, version 1.11.92 was released today. The Wayland 1.12 beta has no new changes over the earlier alpha while Weston has some shell fixes, dropping shell_interface from libweston, and a DRM compositor change. The bare release announcements can be found here.

  • New xserver driver sort order - evdev < libinput < (synaptics|wacom|...)

    In the X server, the input driver assignment is handled by xorg.conf.d snippets. Each driver assigns itself to the type of devices it can handle and the driver that actually loaded is simply the one that sorts last. Historically, we've had the evdev driver sort low and assign itself to everything. synaptics, wacom and the other few drivers that matter sorted higher than evdev and thus assigned themselves to the respective device.

    When xf86-input-libinput first came out 2 years ago, we used a higher sort order than all other drivers to assign it to (almost) all devices. This was of course intentional because we believe that libinput is the best input stack around, the odd bug non-withstanding. Now it has matured a fair bit and we had a lot more exposure to various types of hardware. We've been quirking and fixing things like crazy and libinput is much better for it.

Linux and Graphics

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Windows 10 vs. Linux Radeon Software Performance, Including AMDGPU-PRO & RadeonSI

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As alluded to earlier and on Twitter, the past few days I have been working on a fresh Windows 10 vs. Ubuntu Linux graphics/gaming performance comparison. This time it's looking at the latest Radeon performance using an R9 Fury and RX 480. Tests on Windows were obviously done with Radeon Software Crimson Edition while under Linux were the two latest AMD/RTG Linux driver options: the hybrid AMDGPU-PRO driver and the fully open-source driver via Linux 4.8 and Mesa 12.1-dev.

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Leftovers: BSD/LLVM

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LLVM Clang vs. GCC Compiler Benchmarks On FreeBSD 11.0

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FreeBSD 11.0 continues to ship the LLVM Clang compiler by default (v3.8) while GCC is available via ports and pkg. For this benchmarking, I compared the Clang 3.8 performance to GCC 6.1, GCC 5.4, GCC 4.8.5m and GCC 4.6.4 as obtained via FreeBSD pkg. All of the tests were done on the same system and no other changes were made to the FreeBSD installation between switching out the used compiler.

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Linux and Graphics

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  • ContainerCon Vendors Offer Flexible Solutions for Managing All Your New Micro-VMs

    As you might expect, this week's LinuxCon and ContainerCon 2016, held in Toronto, is heavy on the benefits and pitfalls of deploying containers, but several vendors aim to come to the rescue with flexible tools to manage it all.

    Take Datadog, a New York-based company that offers scalable monitoring of your containerized infrastructure—and just about everything else—from a single interface. This is an off-premise, cloud-based tool that can monitor tens of thousands of your hosts and integrate with stuff you already know, like AWS, Cassandra, Docker, Kubernetes, Postgre and 150 other tools.

  • Happy Birthday Linux

    Linux turns 25 today. That's four years older than Linus was when he invented it. That means Linus has spent more of his life with Linux than he did without it

  • AMDGPU In Linux 4.9 To Bring Virtual Display Support, Improved GPU Reset

    The first pull request has been submitted of new Radeon and AMDGPU DRM driver updates to be queued in DRM-Next for landing with the Linux 4.9 kernel.

    To look forward to Linux 4.9 even though Linux 4.8 is still weeks from being released is PowerPlay support for Iceland GPUs, improved GPU reset, UVD and VCE power-gating for Carrizo and Stoney, support for pre-initialized vRAM buffers, TTM clean-ups, virtual display support, and other low-level changes. Many bug fixes also present.

    The AMDGPU virtual display support is useful and we have been looking forward to it. GPU reset improvements are also welcome for better recovery when the GPU becomes hung. As is the case lately, most of these changes are focused around the newer AMDGPU DRM driver over the mature Radeon DRM code.

  • OpenGL ES 3.1 Comes For Intel Haswell On Mesa

    For those running Intel Haswell processors, hope is not lost in seeing new versions of OpenGL extensions with the Intel Mesa driver.

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More in Tux Machines

Leftovers: Software

  • i2pd 2.10 released
    i2pd (I2P Daemon) is a full-featured C++ implementation of I2P client. I2P (Invisible Internet Protocol) is a universal anonymous network layer. All communications over I2P are anonymous and end-to-end encrypted, participants don't reveal their real IP addresses. I2P client is a software used for building and using anonymous I2P networks. Such networks are commonly used for anonymous peer-to-peer applications (filesharing, cryptocurrencies) and anonymous client-server applications (websites, instant messengers, chat-servers). I2P allows people from all around the world to communicate and share information without restrictions.
  • Pixeluvo Review | Photo Editor for Linux & Windows
    A review of Pixeluvo, a great photo editor available on Linux and Windows. Pixeluvo is not free or open source.
  • Blit, A Retrospective On My Largest Project Ever
    I’ve always been someone who’s liked art and programming. Especially combining the two. One of my favorite genres is pixel art, or sprites as they are also known. I’ve dabbled in making a few other art programs before, but nothing like this. Originally Blit supposed to be only a sprite animation tool that had a modern look and feel, but my ideas for it grew greater (*sigh* feature creep). There are many other sprinting tools out there like GrafX2, Aseprite, (and other 2D animation programs like TVPaint). I’m not saying that it’s wrong that they make their own GUI toolkit, but it feels kind of odd. I really wanted to bring these types of programs out of the days of the Amiga. After doing some initial research, I settled on using Qt.
  • An alert on the upcoming 7.51.0 release
    In two weeks time, on Wednesday November 2nd, we will release curl and libcurl 7.51.0 unless something earth shattering happens.
  • Desktop Gmail Client `WMail` 2.0.0 Stable Released
    WMail is a free, open source desktop client for Gmail and Google Inbox, available for Linux, Windows, and Mac.
  • SpaceView: Ubuntu File System Usage Indicator
  • FunYahoo++: New Yahoo Messenger Plugin For Pidgin / libpurple [PPA]
    Yahoo retired its old Messenger protocol in favor of a new one, breaking compatibility with third-party applications, such as Pidgin, Empathy, and so on. Eion Robb, the SkypeWeb and Hangouts developer, has created a replacement Yahoo prpl plugin, called FunYahoo++, that works with the new Yahoo Messenger protocol. Note that I tested the plugin with Pidgin, but it should work with other instant messaging applications that support libpurple, like BitlBee or Empathy.
  • GCC Lands Loop Splitting Optimization
    The latest GCC 7 development code has an optimization pass now for loop splitting.
  • GCC 7 To End Feature Development Next Month
    Friday's GCC 7 status report indicates the feature freeze is coming up in just a few weeks. Red Hat developer Jakub Jelinek wrote in the latest status report, "Trunk which will eventually become GCC 7 is still in Stage 1 but its end is near and we are planning to transition into Stage 3 starting Nov 13th end of day time zone of your choice. This means it is time to get things you want to have in GCC 7 finalized and reviewed. As usual there may be exceptions to late reviewed features but don't count on that. Likewise target specific features can sneak in during Stage 3 if maintainers ok them."
  • GNU Parallel 20161022 ('Matthew') released [stable]
    GNU Parallel 20161022 ('Matthew') [stable] has been released. It is available for download at: No new functionality was introduced so this is a good candidate for a stable release.
  • GNU Health 3.0.4 patchset released
    GNU Health 3.0.4 patchset has been released !
  • guile-ncurses 2.0 released
    I am pleased to announce the release of guile-ncurses 2.0 guile-ncurses is a library for the creation of text user interfaces in the GNU Guile dialect of the Scheme programming language. It is a wrapper to the ncurses TUI library. It contains some basic text display and keyboard and mouse input functionality, as well as a menu widget and a form widget. It also has lower level terminfo and termios functionality.
  • Unifont 9.0.03 Released
    Unifont 9.0.03 is released. The main changes are the addition of the Pikto and Tonal ConScript Unicode Registry scripts.
  • PATHspider 1.0.0 released!
    In today’s Internet we see an increasing deployment of middleboxes. While middleboxes provide in-network functionality that is necessary to keep networks manageable and economically viable, any packet mangling — whether essential for the needed functionality or accidental as an unwanted side effect — makes it more and more difficult to deploy new protocols or extensions of existing protocols. For the evolution of the protocol stack, it is important to know which network impairments exist and potentially need to be worked around. While classical network measurement tools are often focused on absolute performance values, PATHspider performs A/B testing between two different protocols or different protocol extensions to perform controlled experiments of protocol-dependent connectivity problems as well as differential treatment.
  • The Domain Name System

today's howtos

Leftovers: KDE

  • Happy 20th birthday, KDE!
    KDE turned twenty recently, which seems significant in a world that seems to change so fast. Yet somehow we stay relevant, and excited to continue to build a better future. Lydia asked recently on the KDE-Community list what we were most proud of.
  • SETI – Week of Information Technology
  • KDevelop for Windows available on Chocolatey now
    Which is already great in itself! But now it's also possible to install it via the super popular Windows package manager for Windows, Chocolatey.
  • colord-kde 0.5.0 released!
    Last official stable release was done more than 3 years ago, it was based on Qt/KDE 4 tech, after that a few fixes got in what would be 0.4.0 but as I needed to change my priorities it was never released. Thanks to Lukáš Tinkl it was ported to KF5, on his port he increased the version number to 0.5.0, still without a proper release distros rely on a git checkout.
  • Call for attendees Lakademy 2017
    As many of you know, since 2012 we organize the Lakademy, a sort of Latin American Akademy. The event brings together KDE Latin American contributors in hacking sessions to work on their projects, promo meetings to think KDE dissemination strategies in the region and other activities.
  • Plasma 5 Desktop on FreeBSD Branding
    The FreeBSD packages of KDE software — the KDE 4 desktop, and soon KDE Frameworks 5 and Plasma 5 Desktop and KDE Applications — have traditionally been shipped pretty much as delivered from the upstream source. We compile, we package, and there is very little customization we do as a “distro”. The KDE 4 packages came with a default wallpaper that was a smidgen different from the one shipped with several Linux distro’s. I think Ivan Cukic did that artwork originally. For Plasma 5 Desktop, we also wanted to do a tiny bit of branding — just the default wallpaper for new users, mind.
  • A bit on Tooling
    So on the weekend I also worked on updating Qt 5.6.1 to Qt 5.6.2 on FreeBSD, which involves using new and scary tools as well. Power tools, they can be really useful, or they can take off a finger if you’re not careful. In this case it was Phabricator, which is also used in KDE — but not everywhere in KDE. For FreeBSD, the tool is used to review updates to ports (the packaging instructions), so I did an update of Qt from 5.6.1 to 5.6.2 and we handled the review through FreeBSD’s Phab. The ports infrastructure is stored in SVN, so the review is relatively straightforward: update the ports-tree checkout, apply your changes, use arc to create or update a review request. I was amazed by how painless it was — somehow I’d been frightened. Using the tool once, properly, makes a big difference in self-confidence.
  • Krita 3.1 second beta.
    The Krita 3.1 beta come with a full features and fixes. The linux version to download your krita-3.0.91-x86_64.appimage.
  • Second Beta for Krita 3.1 Available
    We’re still fixing bugs like madmen… And working on some cool new features as well, but that’s for a later release. In any case, here is the second Krita 3.1 beta! Yes, you’re reading that correctly. Originally, we had planned to use 3.0.2 as the version for this release, but there is so much news in it that it merits a bigger version bump.


  • Consequences of the HACK CAMP 2016 FEDORA + GNOME
    I used to do install parties in order to promote the use of FEDORA and GNOME project since five years ago. As you can see more details in the Release Party FEDORA 17 for Fedora, and Linux Camp 2012, GNOME PERU 2013, GNOME PERU 2014...
  • GNOME Shell Making It Easy To Launch Apps/Games For Optimus / Dual GPU Systems
    With the GNOME 3.24 desktop that's currently in development the latest GNOME Shell code has support for easily letting the user launch an app on a dedicated GPU when applicable for handling NVIDIA Optimus use-cases of having integrated and discrete GPU laptops. When a dual-GPU system is detected, a menu item will be added to opt for "Launch using Dedicated Graphics Card", per this commit. The GNOME Shell change for supporting discrete GPUs was made and when the user opts to launch on the dedicated GPU, the DRI_PRIME=1 environment variable will automatically be set for that new program/game.