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Kernel: CPU Undervolting, Nvidia Problems and Embedded Linux Conference Europe

  • Linux Developers Discussing Possible Kernel Driver For Intel CPU Undervolting

    While the Intel Extreme Tuning Utility (XTU) on Windows allows for undervolting laptop processors, currently on Linux there isn't any Intel-endorsed way for undervolting your CPU should you be interested in better thermal/power efficiency and other factors. But a hypothetical Linux kernel driver could be coming for filling such void. There does exist the intel-undervolt program that is unofficial and developed by an independent developer for undervolting Intel CPUs from Haswell and newer on Linux. Besides dropping the CPU voltage, it also allows manipulating the throttling power/thermal limits for Intel processors. That intel-undervolt functionality relies on reverse-engineering and discoveries made by the community for the support. That program in turn is touching the CPU MSRs directly for manipulating the behavior.

  • The Closed-Source NVIDIA Linux Driver Is Incompatible With Linux 5.9 And Support Won't Come Until Mid-November

    The latest Nvidia graphics driver for Linux, v455.28, won't work with the latest Linux kernel. This may be due to an intentional change on the Linux kernel side that blocks third party shims from using GPL-only symbols. Regardless of the root cause, anyone using Nvidia on Linux should stick with Linux 5.8 for now. Nvidia has promised that an updated driver compatible with Linux 5.9 will arrive mid-November. [...] Using the closed-source proprietary software driver from Nvidia used to be a total nightmare on Linux. It would only work with Xorg version X and kernel version Y and if you were screwed if you upgraded either of those. That's been less of a problem in recent years. now we're once again back to Nvidia's driver dictating what kernel versions those who own their hardware can and can't use.

  • Live Embedded Event: a new online conference - Bootlin's blog

    In these times of COVID19, pretty much all of the existing conferences have moved to an online format. For example, the Embedded Linux Conference Europe is going to take place next week, online, and Bootlin will significantly contribute to the event with no less than 7 talks on a wide range of topics. But this trend for online conferences has also spurred the creation of new events. And specifically, we’re happy to announce the creation of a new conference oriented towards our favorite topic of embedded systems: Live Embedded Event. It will take place online on December 3 and will have a broader range of topics covered than ELC typically has, as Live Embedded Event is open to non-Linux embedded topics, hardware platform and interfaces discussions, and more.

Ubuntu Cinnamon Remix Review

The Ubuntu Cinnamon Remix brings together Linux Mint’s Cinnamon desktop with the Ubuntu Core. While some users are welcoming the new flavor of Ubuntu with open arms, others are scratching their heads, wondering where it fits in. The main confusion arises when you consider that Cinnamon is the official desktop for Linux Mint, based on Ubuntu. This begs the questions – what is the need for Ubuntu Cinnamon? Why not use Linux Mint, to begin with? Even though Mint is based on Ubuntu, there are still many significant differences between the two distros. You can go through our in-depth read on Linux Mint vs. Ubuntu to learn about this. Since Ubuntu Cinnamon uses Ubuntu as its core, it works and feels more like Ubuntu rather than Mint, except for the obvious fact that the GNOME shell is replaced with the Cinnamon desktop. Furthermore, the developers behind Ubuntu Cinnamon Remix has done an excellent job in translating the Ubuntu aesthetics over to the Cinnamon desktop. You get to see identical icons, the iconic orange color scheme, and the same wallpapers, which helps to retain the same charm.Ubuntu Cinnamon Remix Review Read more

Mudita Pure OS and Purism's PureOS

  • Mudita Pure OS is going open source

    The company stated that MuditaOS operating system will be publicly available on the GitHub platform, under a GPL (GNU General Public License) license. In the initial phase, MuditaOS will be available as a Developer Preview, during which, Mudita will work with the growing community to fine-tune the documentation and deal with the first reported issues. [...] The Mudita phone has been delayed numerous times this year, it was supposed to have come out in April, and was slated for release in October and now has been pushed back until Spring of 2021. It will eventually come out, it is a vanity project of Michal Kicinski, who created the Witcher/Cyberpunk games.

  • A Librem 5 Video Made on a Librem 5

    When it comes to making a video, there are a lot of workflows involved. From writing, planning, to local screen capture, all the way to editing raw 4k footage with proxy clips. Even with all that workflow complexity, the following video was made completely on the Librem 5 phone. [...] Ultimately the Librem 5 phone lets you take your regular workflow with you while also keeping you in contact with your friends and family.

  • Specify Form-Factors in Your Librem 5 Apps

    While more and more applications are being redesigned to take smartphones like the Librem 5 into account, PureOS still offers lots of desktop applications which are not ready to run on such devices yet. As a user you want to know which applications are relevant to install, so PureOS Store will by default only present mobile-ready applications, while still letting you opt-into showing all applications to take full advantage of the Librem 5’s convergeant docked mode. As a user you also want to know which applications are relevant to run at a given time, so Phosh will let you run desktop-only applications only when the phone is docked. This requires the applications to provide some information on which form-factors they can handle, if you are an application developer and you want your applications to work as expected on the Librem 5, please provide the relevant information as shown below. To make your application appear in PureOS Store, add the following lines to your AppStream metainfo...