May 23, 2019 by Ezequiel Garcia | Blog
With virtme, you can run a custom built kernel on top of our running root filesystem. In this post, we explore another example of virtme in action, and see how to test Video4Linux2 drivers on bleeding edge GStreamer builds.
May 16, 2019 by Andrzej Pietrasiewicz | Blog
Introducing cmtp-responder - a permissively licensed Media Transfer Protocol (MTP) responder implementation which allows embedded devices to provide MTP services and supports a core set of MTP operations.
May 14, 2019 by Adrian Ratiu | Blog
Up until now, talking in-depth about userspace tracing was deliberately avoided because it merits special treatment, hence this part devoted to it. We'll now look at the why of it, and we'll examine eBPF user tracing in two categories: static and dynamic.
May 09, 2019 by André Almeida | News & Events
Earlier this week, Linux Kernel 5.1 was released, and with it came over 13,000 commits from developers all around the world, including Collaborans. This time around, no less than 12 different developers contributed commits (64), sign-offs (111) & more.
May 08, 2019 by Santosh Mahto | Blog
After a successful team effort, the patch enabling the Chromium Embedded Framework (CEF) Ozone builds to run with different platform backends, such as Wayland, has finally landed upstream.
May 06, 2019 by Aaron Boxer | News & Events
After a year-long development cycle, the much anticipated release was made available recently. With it came a number of exciting new features we're especially proud of, including per-element latency tracer and support for planar or non-interleaved audio.
May 06, 2019 by Adrian Ratiu | Blog
Now that we've studied the mainstream way of developing and using eBPF programs on top of the low-level VM mechanisms, we'll look at projects taking different approaches, attempting solutions to some of the unique problems faced by embedded Linux.
May 02, 2019 by Robert Foss | Blog
A previous post introduced the SPURV Android compatibility layer for Wayland based Linux environment. In this post, we're going to dig into how you can run an Android application on the very common i.MX6 based Nitrogen6_MAX board.
April 26, 2019 by Adrian Ratiu | Blog
In part 1 and 2 of this series, we took a condensed in-depth look at the eBPF VM. In part 3, we define the high-level components of an eBPF program, including the backend, loader, frontend and data structures.
April 25, 2019 by Guillaume Desmottes | Blog
GStreamer's logging system is an incredibly powerful ally when debugging but it can sometimes be a bit daunting to dig through the massive amount of generated logs. I often find myself writing small scripts processing gst logs when debugging.
April 24, 2019 by Marius Vlad | Blog
The recent release of version 6 of the Weston compositor has brought with it the weston-debug protocol, a new feature that allows developers and users alike to display on-the-fly various debugging (logging) information generated by the compositor.
April 18, 2019 by Ezequiel Garcia | Blog
A well-known Linux kernel developer once said, a poor craftsman famously complains about his tools, but a good craftsman knows how to choose excellent tools. Here's a python-based tool that integrates git and patchwork, and can greatly improve your toolbox.
April 10, 2017 by Gabriel Krisman Bertazi | Blog
Like the bug that no one can solve, many issues occur on the interface between the user application and the operating system. But even in the good Open Source world, understanding what is happening at these interfaces is not always easy.
April 05, 2017 by Daniel Stone | Blog
Today we all read the announcement of Ubuntu's decision to refocus on cloud and IoT activities, dropping Unity 8 to move back to a GNOME-based desktop for the 17.04 LTS.
March 29, 2017 by Robert Foss | Blog
Android uses the HWC API to communicate with graphics hardware. This API is not supported on the mainline Linux graphics stack, but by using drm_hwcomposer as a shim it now is.
March 28, 2017 by Gabriel Krisman Bertazi | Blog
Like starting a car with the hood open, sometimes you need to run your program with certain analysis tools attached to get a full sense of what is going wrong – or right.
March 24, 2017 by Simon McVittie | Blog
At the GTK hackfest in London (which accidentally became mostly a Flatpak hackfest) I've mainly been looking into how to make D-Bus work better for app container technologies like Flatpak and Snap.
March 21, 2017 by Gabriel Krisman Bertazi | Blog
Modern CPUs implement a number of technologies that may affect application performance in unpredictable ways. Figuring out what is going wrong with an application can be a hard task, but it can become much easier with the correct analysis tools.
March 13, 2017 by Frédéric Dalleau | Blog
Once you've setup a virtual machine in QEMU using debootstrap, there are a number of tools available for testing, tracing and debugging, such as Kmemleak for memory leaks, GDB (GNU Debugger), ftrace et dynamic_debug.
March 08, 2017 by Robert Foss | Blog
Before being able to write firmware data to any production Chromebook device, the Write-Protect screw has to be removed.
March 01, 2017 by Daniel Stone | Blog
The past few months have been busy ones on the open-source graphics front, bringing with them Wayland 1.13, Weston 2.0 and Mesa 17.0. Here's a look at some of these developments, including Collabora's behind-the-scenes work on performance improvement.
February 23, 2017 by Robert Foss | Blog
How to create your custom Android image, and APK app(s), all at once.
February 16, 2017 by Robert Foss | Blog
How to set up a fully functional ChromiumOS development environment on actual Chromebook hardware.
February 09, 2017 by Varad Gautam | Blog
Over the past few weeks, I have been working for Collabora on plumbing DRM format modifier support across a number of components in the graphics stack. This post documents the work and the related consequences/implications.
July 26, 2018 by Mark Filion | News & Events
Collabora is heading East to sponsor & attend DebConf18, the annual Debian conference! The week-long event takes place for the first time in Asia, at the National Chiao Tung University Microelectronics & Information Research Center, in Hsinchu Taiwan.
June 29, 2018 by Mark Filion | News & Events
By this time next week, Collaborans will have arrived in Almería, Spain, to attend and speak at the 2018 edition of GUADEC, the annual GNOME conference. Come say hello!
June 04, 2018 by Enric Balletbò i Serra | News & Events
Linus Torvalds has now released the official Linux 4.17, so it’s time for our traditional blog post summing up our contributions to the latest version of the Linux kernel, which include a number of patches to the DRM subsystem.
April 20, 2018 by Mark Filion | News & Events
This weekend, we're headed to Gothenburg, Sweden, to meet the Nordic FOSS community at foss-north, a free / open source conference covering both software and hardware from the technical perspective!
April 06, 2018 by Mark Filion | News & Events
Attending the NAB Show in Las Vegas? Make sure to stop by Collabora's booth, #N2908VR in the North Hall, and get a firsthand look at the latest in Open Source software integration!
April 03, 2018 by Jassie Badion | News & Events
Meet the newest members of our ever-growing engineering and administrative teams! Welcome Arnaud, Omar, Correntin, Lakshmipathi, Rebecca, Ezequiel, Ritesh, Ana and Zeeshan!
April 02, 2018 by Gustavo Padovan | News & Events
Linux Kernel 4.16 was released over the weekend, and with it came 33 patches contributed by 8 different Collabora developers, including the addition of usb3 and extcon support for Rockchip RK3399 devices, and display support for the Nokia N9.
March 22, 2018 by Olivier Crête | News & Events
After a particularly long cycle of over 10 months, GStreamer accumulated many improvements that are now available in the 1.14 release. Here's a look at some of the contributions from Collabora's engineers that we're particularly proud of.
March 22, 2018 by Mark Filion | News & Events
After a great time in Portland last week for ELC, Collaborans have arrived in Singapore for the 2018 edition of FOSSASIA Summit, the premier Open Technology event in Asia for developers, contributors, start-ups, and technology companies.
March 09, 2018 by Mark Filion | News & Events
It's that time of the year again! The snow has melted, spring is right around the corner and the annual Embedded Linux Conference begins next week in Portland! If you are planning on attending, come say hello or catch one of our three presentations!
February 26, 2018 by Mark Filion | News & Events
This week, we're in Nuremberg, Germany to take part in this year's edition of Embedded World, the leading international fair for embedded systems! Come say hello, booth 4-170!
January 29, 2018 by Gustavo Padovan | News & Events
Linux Kernel 4.15 was released yesterday, and it once again contained patches contributed by Collabora, including bigger patchsets like V4L2 Explicit Synchronization and UTF-8 case insensitive lookups for EXT4.
Here are the events we'll be attending in the coming weeks – come say hello!
March 8-9, Berlin, Germany
March 14-16, Nuremberg, Germany
April 24-26, Brno, Czech Republic
Whether writing a line of code or shaping a longer-term strategic software development plan, we'll help you navigate the ever-evolving world of Open Source.
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