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Setting up QEMU-KVM for kernel development

January 16, 2017 by Frédéric Dalleau  |   Blog

A look at the fundamentals of building and booting a kernel in QEMU using debootstrap, so you have the needed infrastructure to test your kernel changes in QEMU.

Setting up QEMU-KVM for kernel development

Collabora Contributions to Linux Kernel 4.9

December 14, 2016 by Gustavo Padovan  |   Blog

Linux Kernel 4.9 was released this week and once more Collabora developers took part on the kernel development cycle. This time we contributed 36 patches by 11 different developers, our highest number of single contributors in a kernel release ever. Remember…

Collabora Contributions to Linux Kernel 4.9

GStreamer meets HotDoc

November 29, 2016 by Mark Filion  |   News and Events

Some exciting news today as GStreamer launches its redesigned documentation site, complete with dynamic navigation, search function and new tutorials. This new iteration is powered by HotDoc, a tool created by Collabora's Mathieu Duponchelle!

GStreamer meets HotDoc

A tale of cylinders and shadows

November 22, 2016 by Gustavo Noronha  |   Blog

Our ongoing work on improving WebKitGTK+ performance brought us to take a closer look as to why GTK+ was experiencing significant speed issues when used with Wayland and HiDPI screens, revealing the root cause to be within the lower level toolkit.

A tale of cylinders and shadows

How continuous integration can help you keep pace with the Linux kernel

November 08, 2016 by Tomeu Vizoso  |   Blog

Almost all of Collabora's customers use the Linux kernel on their products. Often they will use the exact code as delivered by the SBC vendors and we'll work with them in other parts of their software stack. But it's becoming increasingly common for our…

How continuous integration can help you keep pace with the Linux kernel

Collabora contributions to GStreamer 1.10 - Part 2

November 03, 2016 by Olivier Crête  |   Blog

In the first part of my review of Collabora's participation in GStreamer 1.10, I discussed the work done by Guillaume & Nicolas around leak tracing, acoustic echo cancellation, Wayland, V4L, etc. Today, I'll go over the contributions from the rest of…

Collabora contributions to GStreamer 1.10 - Part 2

Collabora contributions to GStreamer 1.10

November 02, 2016 by Olivier Crête  |   Blog

Yesterday, we celebrated the release of GStreamer 1.10, the culmination of 7 months of very hard work from the GStreamer community. Collabora's multimedia team is extremely proud of our contributions to this new major feature release.

Collabora contributions to GStreamer 1.10

Linux Plumbers Conference 2016

October 26, 2016 by Mark Filion  |   News and Events

Collabora is proud to be once again sponsoring the annual Linux Plumbers Conference, the developer conference that brings together the top developers working on the “plumbing” of Linux: kernel subsystems, core libraries, windowing systems, etc.

Linux Plumbers Conference 2016

Open Build Service in Debian - Part 2

October 25, 2016 by Héctor Orón Martínez  |   Blog

In the previous post, I gave an overview of the Open Build Service software architecture. In this second part, a tutorial on setting up a package build with OBS from Debian packages is presented.

Open Build Service in Debian - Part 2

Open Build Service in Debian - Part 1

October 24, 2016 by Héctor Orón Martínez  |   Blog

openSUSE distributions’ build system is based on a generic framework named Open Build Service (OBS), I have been using these tools in my work environment, and I have to say, as Debian developer, that it is a great tool. In this blog post I plan for you…

Open Build Service in Debian - Part 1

Mainline Explicit Fencing - Part 2

October 18, 2016 by Gustavo Padovan  |   Blog

In the first part we covered the main concepts behind Explicit Synchronization for the Linux Kernel. Now in the second part of the series we are going to look to the Android Sync Framework, the first (out-of-tree) Explicit Fencing implementation for the…

Mainline Explicit Fencing - Part 2

Making Viewer UIs for Pitivi

October 13, 2016 by Lubosz Sarnecki  |   Blog

Being someone who has already experimented with two transformation box approaches for Pitivi in the past, maintainers thought I might be the right person to do a modern one. Creating a user interface for a video transformation requires three things: the…

Making Viewer UIs for Pitivi

An introduction to Linux kernel initcalls

July 14, 2020 by Mylène Josserand  |   Blog

Initcalls, which serve to call functions during boot, were implemented early on in the development of the Linux Kernel. Read on as we take a closer look, including their purpose, their usage, ways to debug them (using initcall_debug or FTrace), and more.

An introduction to Linux kernel initcalls

Deep dive into OpenGL over DirectX layering

July 09, 2020 by Louis-Francis Ratté-Boulianne  |   Blog

Earlier this year, we announced a new project with Microsoft: the implementation of OpenCL & OpenGL to DirectX translation layers. Here's the latest on this work, including the steps taken to improve the performance of the OpenGL-On-D3D12 driver.

Deep dive into OpenGL over DirectX layering

Using syzkaller, part 4: Driver fuzzing

June 26, 2020 by Ricardo Cañuelo Navarro  |   Blog

Syzkaller is much needed tool for Linux kernel testing and debugging. With some work, it can also be enhanced to find bugs in specific drivers, such as V4L2. Here's how.

Using syzkaller, part 4: Driver fuzzing

Cross building Rust GStreamer plugins for the Raspberry Pi

June 23, 2020 by Guillaume Desmottes  |   Blog

Previously, we discussed about how Rust can be a great language for embedded programming. In this article, we'll explain an easy setup to cross build Rust code depending on system libraries, a common requirement when working on embedded systems.

Cross building Rust GStreamer plugins for the Raspberry Pi

Generating MPEG-DASH streams for Open Source adaptive streaming with GStreamer

June 12, 2020 by Stéphane Cerveau  |   Blog

Adaptive streaming is a technique to provide flexibility and scalability by offering variable bit-rate streams to the client. Here's a quick guide on how to generate a MPEG-DASH stream (the most completely adaptive streaming technique) using GStreamer.

Generating MPEG-DASH streams for Open Source adaptive streaming with GStreamer

Bifrost meets GNOME: Onward & upward to zero graphics blobs

June 05, 2020 by Alyssa Rosenzweig  |   Blog

With only free software, a Mali G31 chip can now run Wayland compositors with zero-copy graphics, including GNOME 3. We can run every scene in glmark2-es2, 3D games like Neverball can be played, and video players mpv and Kodi are now supported.

Bifrost meets GNOME: Onward & upward to zero graphics blobs

Using regmaps to make Linux drivers more generic

May 27, 2020 by Adrian Ratiu  |   Blog

Device drivers can support more revisions and SoC platforms by abstracting away specific hardware interface layouts. Let's examine a specific instance of this process, namely the effort to make the MIPI DSI host controller driver more generic.

Using regmaps to make Linux drivers more generic

Cross-compiling with gst-build and GStreamer

May 15, 2020 by Stéphane Cerveau  |   Blog

gst-build is one of the main build systems used by the community to develop the GStreamer platform. In my last blog post, I presented gst-build and explained how to get started with it. Now, let's get straight to the point regarding cross-compilation.

Cross-compiling with gst-build and GStreamer

Using syzkaller, part 3: Fuzzing your changes

May 12, 2020 by Andre Almeida  |   Blog

In part 2 of this series on syzkaller, we looked at how to install the tool and use it to improve our code base. Now, how does syzkaller report a bug it finds in the execution path of a system call? Let's add a new syscall description and see how it goes.

Using syzkaller, part 3: Fuzzing your changes

WirePlumber, the PipeWire session manager

May 07, 2020 by George Kiagiadakis  |   Blog

An in-depth look at WirePlumber, the modular and extensible session manager for PipeWire that brings advanced device management, policy control and security enforcement capabilities.

WirePlumber, the PipeWire session manager

Reducing the size of a Rust GStreamer plugin

April 28, 2020 by Guillaume Desmottes  |   Blog

With Rust gaining traction among the GStreamer community as an alternative to C to write applications and plugins, we began wondering, could the size of such Rust plugins be a problem for embedded systems?

Reducing the size of a Rust GStreamer plugin

From Bifrost to Panfrost - deep dive into the first render

April 23, 2020 by Alyssa Rosenzweig  |   Blog

The Panfrost project building a free, Open Source graphics driver for modern Mali GPUs has reached a new milestone: the first 3D render, including basic texture support, on a Bifrost chip (Mali G31)!

From Bifrost to Panfrost - deep dive into the first render

Testing in the Cloud: Enabling Fedora's openQA for flexible cloud deployment

July 24, 2024 by Deborah Brouwer  |   News & Events

OpenQA is a tool for functional, end-to-end testing of operating system distributions. Earlier this year, Collabora undertook a project, sponsored by Meta, to reproduce Fedora’s openQA deployment in the AWS cloud.

Testing in the Cloud: Enabling Fedora's openQA for flexible cloud deployment

Kernel 6.10: Keep the updates coming

July 18, 2024 by Sebastian Reichel  |   News & Events

The latest kernel 6.10 release brings multiple core changes and updates to BH workqueues. Let's examine the developments implemented by Collabora's engineers.

Kernel 6.10: Keep the updates coming

Taming the Panthor: OpenGL ES 3.1 conformance achieved on Mali-G610

July 15, 2024 by Eric Smith  |   News & Events

The Panthor kernel driver and Mesa Panfrost driver combination has achieved official conformance for OpenGL ES 3.1 on the Mali-G610 chip, ensuring reliable performance for users on Mesa version 24.1.1.

Taming the Panthor: OpenGL ES 3.1 conformance achieved on Mali-G610

ElectricMaple: Remote-rendering debuts at AWE 2024

June 19, 2024 by Mark Filion  |   News & Events

Making its debut this week at Augmented World Expo (AWE) in Long Beach, ElectricMaple is an innovative project by Collabora and PlutoVR designed to enhance standalone XR experiences through remote-rendering.

ElectricMaple: Remote-rendering debuts at AWE 2024

Making a spatial impact at AWE 2024

May 30, 2024 by Kara Bembridge  |   News & Events

Join us at Augmented World Expo for a first-hand look at our recent XR work including ElectricMaple remote rendering, and xrdesktop showcasing a fully open-source 3-window desktop configuration with gaze-driven window selection.

Making a spatial impact at AWE 2024

Mesa 24.1 brings new hardware support for Arm and NVIDIA GPUs

May 22, 2024 by Faith Ekstrand  |   News & Events

Mesa 24.1 is out, and the graphics team at Collabora has been working hard to bring a slew of new features and bug fixes to Panfrost, Zink, NVK, and Mesa in general. Here's a look at their contributions for this release cycle.

Mesa 24.1 brings new hardware support for Arm and NVIDIA GPUs

Implementing DRM format modifiers in NVK

May 16, 2024 by Faith Ekstrand  |   News & Events

This week we merged support for the VK_EXT_image_drm_format_modifier extension in NVK, the new open-source Vulkan driver for NVIDIA hardware. We've also back-ported the code to the Mesa 24.1 staging branch, part of the upcoming Mesa 24.1 release.

Implementing DRM format modifiers in NVK

Kernel 6.9: Enable, test, repeat

May 14, 2024 by Nícolas Prado  |   News & Events

Collabora's engineers continue to be involved in the hardware enablement for a few different system-on-chips (SoCs) and platforms, and have also contributed significant improvements to kernel testing.

Kernel 6.9: Enable, test, repeat

SteamOS 3.6: How the Steam Deck atomic updates are improving

May 10, 2024 by Ludovico de Nittis  |   News & Events

Highlighting some of the key changes Collabora worked on with Valve to improve the system update tooling on SteamOS, including the move to Desync, making applying system updates significantly faster and more reliable.

SteamOS 3.6: How the Steam Deck atomic updates are improving

Debuting at IOT Solutions World Congress

May 09, 2024 by Kara Bembridge  |   News & Events

This year will be Collabora's first time exhibiting at IOTSWC, in partnership with STMicroelectronics. Collabora will be showcasing how the STM32MP2 is an ideal chip to enable edge AI solution in industrial environments.

Debuting at IOT Solutions World Congress

Effortless GStreamer Analytics Cross-Platform Support via ONNX Runtime

April 29, 2024 by Aaron Boxer  |   News & Events

GStreamer's support for diverse hardware and software platforms extends to its upstream Machine Learning capabilities, exemplified by its cross-platform ONNX Runtime implementation.

Effortless GStreamer Analytics Cross-Platform Support via ONNX Runtime

Collabora, not just Earth Day. Every day.

April 22, 2024 by Kara Bembridge  |   News & Events

As part of our commitment to social responsibility, we've been part of the 1% for the Planet Network since 2022. The environmental partners we support help to better the planet.

Collabora, not just Earth Day. Every day.

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Here are the events we'll be attending in the coming weeks – come say hello!

AGL All Member Meeting

July 17-18, Berlin, Germany

 

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