digitalcourage.social

Linux G. Fossman<a href="https://mastodon.social/@simplex" class="u-url mention" rel="nofollow noopener" target="_blank">@simplex</a> I think that statistics for even Linux desktop users are not too reliable as they generally dislike/distrust <a href="https://social.vivaldi.net/tags/telemetry" class="mention hashtag" rel="nofollow noopener" target="_blank">#telemetry</a> and tracking, so Linux phone user count could be difficult.If follower count here on the fediverse is anything to go by, the largest <a href="https://social.vivaldi.net/tags/LinuxPhone" class="mention hashtag" rel="nofollow noopener" target="_blank">#LinuxPhone</a>-related accounts <a href="https://social.treehouse.systems/@pine64" class="u-url mention" rel="nofollow noopener" target="_blank">@pine64</a>, <a href="https://social.librem.one/@purism" class="u-url mention" rel="nofollow noopener" target="_blank">@purism</a>, <a href="https://social.treehouse.systems/@postmarketOS" class="u-url mention" rel="nofollow noopener" target="_blank">@postmarketOS</a> appear to have around 13-10k followers. If app download count can give as a hint, the Gnome Calls app (originally made by Purism) was downloaded over 50k times from Flathub <a href="https://flathub.org/apps/org.gnome.Calls" rel="nofollow noopener" translate="no" target="_blank">https://flathub.org/apps/org.gnome.Calls</a>As for devices, phones sold with Linux preinstalled include the <a href="https://social.vivaldi.net/tags/Librem5" class="mention hashtag" rel="nofollow noopener" target="_blank">#Librem5</a>, <a href="https://social.vivaldi.net/tags/LibertyPhone" class="mention hashtag" rel="nofollow noopener" target="_blank">#LibertyPhone</a>, <a href="https://social.vivaldi.net/tags/PinePhone" class="mention hashtag" rel="nofollow noopener" target="_blank">#PinePhone</a>, <a href="https://social.vivaldi.net/tags/PinePhonePro" class="mention hashtag" rel="nofollow noopener" target="_blank">#PinePhonePro</a>, <a href="https://social.vivaldi.net/tags/Flx1" class="mention hashtag" rel="nofollow noopener" target="_blank">#Flx1</a> and <a href="https://social.vivaldi.net/tags/JollaC2" class="mention hashtag" rel="nofollow noopener" target="_blank">#JollaC2</a>.Some older Android devices repurposed to install Linux include <a href="https://social.vivaldi.net/tags/OnePlus6" class="mention hashtag" rel="nofollow noopener" target="_blank">#OnePlus6</a>, <a href="https://social.vivaldi.net/tags/Pixel3a" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pixel3a</a> and <a href="https://social.vivaldi.net/tags/Fairphone5" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fairphone5</a>.

IT News8-Core ARM Pocket Computer Runs NixOS - What has 8 ARM cores, 8 GB of RAM, fits in a pocket, and runs NixOS? It’s no pi-cl... - <a href="https://hackaday.com/2025/07/17/8-core-arm-pocket-computer-runs-nixos/" rel="nofollow noopener" translate="no" target="_blank">https://hackaday.com/2025/07/17/8-core-arm-pocket-computer-runs-nixos/</a> <a href="https://schleuss.online/tags/mobile" class="mention hashtag" rel="nofollow noopener" target="_blank">#mobile</a>-nixos <a href="https://schleuss.online/tags/postmarketos" class="mention hashtag" rel="nofollow noopener" target="_blank">#postmarketos</a> <a href="https://schleuss.online/tags/phonehacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#phonehacks</a> <a href="https://schleuss.online/tags/linuxphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxphone</a> <a href="https://schleuss.online/tags/oneplus6" class="mention hashtag" rel="nofollow noopener" target="_blank">#oneplus6</a>

Pyrzout :vm:8-Core ARM Pocket Computer Runs NixOS <a href="https://hackaday.com/2025/07/17/8-core-arm-pocket-computer-runs-nixos/" rel="nofollow noopener" translate="no" target="_blank">https://hackaday.com/2025/07/17/8-core-arm-pocket-computer-runs-nixos/</a> <a href="https://social.skynetcloud.site/tags/mobile" class="mention hashtag" rel="nofollow noopener" target="_blank">#mobile</a>-NixOS <a href="https://social.skynetcloud.site/tags/postmarketos" class="mention hashtag" rel="nofollow noopener" target="_blank">#postmarketos</a> <a href="https://social.skynetcloud.site/tags/PhoneHacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#PhoneHacks</a> <a href="https://social.skynetcloud.site/tags/linuxphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxphone</a> <a href="https://social.skynetcloud.site/tags/oneplus6" class="mention hashtag" rel="nofollow noopener" target="_blank">#oneplus6</a>

Pavel Machek<a class="hashtag" href="https://social.kernel.org/tag/phonecamera" rel="nofollow noopener" target="_blank">#phonecamera</a> <a class="hashtag" href="https://social.kernel.org/tag/linuxphone" rel="nofollow noopener" target="_blank">#linuxphone</a> <a class="hashtag" href="https://social.kernel.org/tag/librem5" rel="nofollow noopener" target="_blank">#librem5</a> Librem 5 camera/kernel can do three possible resolutions, ~1024x768 @ ~24fps, ~2048x.. @ ~31 fps and ~4096x.. @ ~15fps. Debayering is actually easier and better quality if we downscale at the same time, and that allows best framerate, so we do that (2048x.. resolution). ARM has problems with cache coherency w.r.t. DMA, and kernel solution is to simply disable cache on DMAbufs for userspace, which means accessing video data is 10x slower than it should be on the CPU. Which means debayering on GPU is attractive, and that's what we do. (gold.frag). GPU can do more image signal processing functions easily, too, so we do some of that. Unfortunately, we hit the same uncached memory problem at the GPU output. So we use separate thread to copy. All this unfortunately does not fit on one core, so we need two threads, one controlling GPU debayer on frame n+1, while the other one copies video data from frame n. (heart.c). We save resulting RGBA data to ramdisk. This all costs maybe 80% of one core. From there, Python scripts can pick them up: <a href="http://ucam.py" rel="nofollow noopener" target="_blank">ucam.py</a> displaying the viewfinder and <a href="http://mpegize.py" rel="nofollow noopener" target="_blank">mpegize.py</a> handling the video encoding via gstreamer. There's basically 0% cpu left, but I can encode ~1024x.. video. Unfortunately that's without audio and with viewfinder at 1fps. Plus, combination of C + Python is great for prototyping, but may not be that great for performance. Code is here: <a href="https://gitlab.com/tui/tui/-/tree/master/icam?ref_type=heads" rel="nofollow noopener" target="_blank">https://gitlab.com/tui/tui/-/tree/master/icam?ref_type=heads</a> . At this point I'd like viewfinder functionality merged into the rest of GPU processing. Ideally, I'd like to have a bitmap with GUI elements, combine it with scaled RGBA data, and rendering it to screen. I know SDL and Gtk, SDL looked like better match, but I could not get SDL and GPU debayering to work in single process (template SDL code is here <a href="https://gitlab.com/tui/debayer-gpu/-/blob/master/sdl/main.c?ref_type=heads" rel="nofollow noopener" target="_blank">https://gitlab.com/tui/debayer-gpu/-/blob/master/sdl/main.c?ref_type=heads</a> ). If you can integrate main.c and heart.c, that would be welcome. If you have example code that combines SDL with processing on GPU, that would be nice, too. If you know someone who can do GPU/SDL, boost would not be bad, I guess. <a class="u-url mention" href="https://chaos.social/@datenwolf" rel="nofollow noopener" target="_blank">@datenwolf</a> <a class="u-url mention" href="https://mastodon.social/@NekoCWD" rel="nofollow noopener" target="_blank">@NekoCWD</a> <a class="u-url mention" href="https://fosstodon.org/@dcz" rel="nofollow noopener" target="_blank">@dcz</a> <a class="u-url mention" href="https://fosstodon.org/@martijnbraam" rel="nofollow noopener" target="_blank">@martijnbraam</a>

adingbatponder<a href="https://fosstodon.org/tags/linuxphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxphone</a> <a href="https://youtu.be/yxfDNqZ9WTM" rel="nofollow noopener" translate="no" target="_blank">https://youtu.be/yxfDNqZ9WTM</a><a href="https://github.com/mwlaboratories/phoneputer" rel="nofollow noopener" translate="no" target="_blank">https://github.com/mwlaboratories/phoneputer</a><a href="https://fosstodon.org/tags/nixos" class="mention hashtag" rel="nofollow noopener" target="_blank">#nixos</a> <a href="https://fosstodon.org/tags/linuxphones" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxphones</a> <a href="https://fosstodon.org/tags/oneplus6" class="mention hashtag" rel="nofollow noopener" target="_blank">#oneplus6</a> <a href="https://fosstodon.org/tags/linuxmobile" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxmobile</a>

Pavel MachekCan you program GPUs and do you want to become a HERO? <a class="hashtag" href="https://social.kernel.org/tag/linuxphone" rel="nofollow noopener" target="_blank">#linuxphone</a> community needs your help. We are trying record video, and have most pieces working, but one is missing: fast enough debayering. That means about 23MB/sec on <a class="hashtag" href="https://social.kernel.org/tag/librem5" rel="nofollow noopener" target="_blank">#librem5</a>. Debayering is not hard; camera images have subpixels split on two lines, which need to be corrected. They also use different color representation, but that's fixable by some table lookup and two matrix multiplies. Librem 5 has Vivante GPU, 4 in-order CPU cores and 3GB RAM. My feeling is that it should be fast enough for that. If task is for some reason impossible, that would be good to know, too. Image data looks like this RGRGRG... xBxBxB... ......... ......... Task is to turn that into usual rgbrgb.... format. rgb = RGB * color matrix, with table lookups for better quality. I can fix that once I get an example. I'm looking for example code (#pinephone would work, too), reasons it can not be done... and boosts if you have friends that can program GPUs. <a class="hashtag" href="https://social.kernel.org/tag/gpu" rel="nofollow noopener" target="_blank">#gpu</a> <a class="hashtag" href="https://social.kernel.org/tag/opensource" rel="nofollow noopener" target="_blank">#opensource</a>

Felix Denbratt<a href="https://mastodon.social/@Antti98" class="u-url mention" rel="nofollow noopener" target="_blank">@Antti98</a> so sorry for slow reply. Busy times, so wasn't before today that I got a chance to test it. And it works!!!I'm now able to access all Apps that I've used to use on my old iPhone - including all banking apps!<a href="https://ioc.exchange/tags/jolla" class="mention hashtag" rel="nofollow noopener" target="_blank">#jolla</a> with <a href="https://ioc.exchange/tags/sailfishOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#sailfishOS</a> is now officially my main driver phone! 😄 <a href="https://ioc.exchange/tags/linuxphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxphone</a> FOR THE WIN!

Pavel MachekGPU on Librem 5 is actually faster than on X220? Good. I proved to myself that 1Mpix/30fps is possible. Now for the boring task of actually getting it to work... <a class="hashtag" href="https://social.kernel.org/tag/linuxphone" rel="nofollow noopener" target="_blank">#linuxphone</a> <a class="hashtag" href="https://social.kernel.org/tag/librem5" rel="nofollow noopener" target="_blank">#librem5</a>

Pavel Machek<a class="u-url mention" href="https://fosstodon.org/@martijnbraam" rel="nofollow noopener" target="_blank">@martijnbraam</a> Yeah, robot was suggesting PBOs. It would be great if someone with GPU experience could chime in, ideally saying "no, Librem 5 GPU can't handle 30MB/sec data flow" or better "yes, Librem 5 GPU can handle that easily, here is how" :-). Or maybe "No, can't work on Librem 5, but OnePlus 6 with this example ..." Anyway, if someone has GPU experience, please chime in. If you know someone, you can show them the post or maybe boost :-). <a class="hashtag" href="https://social.kernel.org/tag/linuxphone" rel="nofollow noopener" target="_blank">#linuxphone</a>#librem5

Pavel Machekdebayer-gpu (git@gitlab.com:tui/debayer-gpu.git) tries to do debayering on GPU. But it seems OpenGL 2.1 is ... really not meant to do the computation. glReadPixels() can be used to get data off the GPU, but that does not have great performance. On PinePhone, you can only get RGBA out, but we really need RGB. Doing RGBA->RGB on CPU is easy, but it degrades performance further. I believe problem is that ISP produces a lot of data. On Thinkpad X220, converting 400 images is like 12 seconds. If I do no processing in the fragment shader, it is still 10 seconds. X220 is able to process ~20Mpix/second on GPU. I don't believe Librem 5 will be significantly better. If you believe GPU can be useful for task like debayering (mostly rearranging data with some additions and 2 matrix multiplies per pixel), let me know. 30Mpix/second on Librem 5 would be useful performance. <a class="hashtag" href="https://social.kernel.org/tag/linuxphone" rel="nofollow noopener" target="_blank">#linuxphone</a>

LinuxNews.depostmarketOS 25.06 wechselt zu systemd <a href="https://linuxnews.de/postmarketos-25-06-wechselt-zu-systemd/" rel="nofollow noopener" translate="no" target="_blank">https://linuxnews.de/postmarketos-25-06-wechselt-zu-systemd/</a> <a href="https://social.anoxinon.de/tags/postmarketos" class="mention hashtag" rel="nofollow noopener" target="_blank">#postmarketos</a> <a href="https://social.anoxinon.de/tags/mobil" class="mention hashtag" rel="nofollow noopener" target="_blank">#mobil</a> <a href="https://social.anoxinon.de/tags/linuxphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxphone</a> <a href="https://social.anoxinon.de/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a>

Felix DenbrattGreat news! <a href="https://ioc.exchange/tags/jolla" class="mention hashtag" rel="nofollow noopener" target="_blank">#jolla</a> <a href="https://ioc.exchange/tags/linuxphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxphone</a> <a href="https://ioc.exchange/tags/sailfish" class="mention hashtag" rel="nofollow noopener" target="_blank">#sailfish</a><a href="https://forum.sailfishos.org/t/long-term-sailfish-os-updates-free-of-charge-for-all-jolla-c2/23491" rel="nofollow noopener" translate="no" target="_blank">https://forum.sailfishos.org/t/long-term-sailfish-os-updates-free-of-charge-for-all-jolla-c2/23491</a>

N-gated Hacker NewsSo, there's this new "totally unique" Linux phone from Europe that promises to revolutionize something or other. 🙄 In the most <a href="https://mastodon.social/tags/groundbreaking" class="mention hashtag" rel="nofollow noopener" target="_blank">#groundbreaking</a> development since sliced bread, they reveal—wait for it—hardware! 🤔 Because clearly, putting Linux on a phone is a feat that no one else has ever attempted before.🥱 <a href="https://linmob.net/liberux-nexx-an-interview-with-liberux/" rel="nofollow noopener" translate="no" target="_blank">https://linmob.net/liberux-nexx-an-interview-with-liberux/</a> <a href="https://mastodon.social/tags/LinuxPhone" class="mention hashtag" rel="nofollow noopener" target="_blank">#LinuxPhone</a> <a href="https://mastodon.social/tags/Revolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#Revolution</a> <a href="https://mastodon.social/tags/EuropeanTech" class="mention hashtag" rel="nofollow noopener" target="_blank">#EuropeanTech</a> <a href="https://mastodon.social/tags/Innovation" class="mention hashtag" rel="nofollow noopener" target="_blank">#Innovation</a> <a href="https://mastodon.social/tags/TechHumor" class="mention hashtag" rel="nofollow noopener" target="_blank">#TechHumor</a> <a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#HackerNews</a> <a href="https://mastodon.social/tags/ngated" class="mention hashtag" rel="nofollow noopener" target="_blank">#ngated</a>

Hacker NewsLiberux Nexx: An interview with Liberux about their made-in-EU OSHW Linux Phone<a href="https://linmob.net/liberux-nexx-an-interview-with-liberux/" rel="nofollow noopener" translate="no" target="_blank">https://linmob.net/liberux-nexx-an-interview-with-liberux/</a><a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#HackerNews</a> <a href="https://mastodon.social/tags/LiberuxNexx" class="mention hashtag" rel="nofollow noopener" target="_blank">#LiberuxNexx</a> <a href="https://mastodon.social/tags/Interview" class="mention hashtag" rel="nofollow noopener" target="_blank">#Interview</a> <a href="https://mastodon.social/tags/OSHW" class="mention hashtag" rel="nofollow noopener" target="_blank">#OSHW</a> <a href="https://mastodon.social/tags/LinuxPhone" class="mention hashtag" rel="nofollow noopener" target="_blank">#LinuxPhone</a> <a href="https://mastodon.social/tags/MadeInEU" class="mention hashtag" rel="nofollow noopener" target="_blank">#MadeInEU</a> <a href="https://mastodon.social/tags/TechNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#TechNews</a>

TronNerd82As much as I like the existing Linux phones, and am hopeful for the <a href="https://mastodon.social/@Liberux" class="u-url mention" rel="nofollow noopener" target="_blank">@Liberux</a>, I'm kinda miffed that there isn't a good Linux phone in the general form factor of a <a href="https://mastodon.social/tags/BlackBerry" class="mention hashtag" rel="nofollow noopener" target="_blank">#BlackBerry</a> Leap, the all-time greatest smartphone form factor.Like, give me some venture capital and I'd be up in that shit. I'd give it awesome specs, and have a tailored version of <a href="https://mastodon.social/tags/Slackware" class="mention hashtag" rel="nofollow noopener" target="_blank">#Slackware</a> with <a href="https://mastodon.social/tags/Phosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#Phosh</a> on it. Maybe even <a href="https://mastodon.social/tags/NetBSD" class="mention hashtag" rel="nofollow noopener" target="_blank">#NetBSD</a> for shits and giggles.<a href="https://mastodon.social/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linux</a> <a href="https://mastodon.social/tags/FOSS" class="mention hashtag" rel="nofollow noopener" target="_blank">#FOSS</a> <a href="https://mastodon.social/tags/OpenSource" class="mention hashtag" rel="nofollow noopener" target="_blank">#OpenSource</a> <a href="https://mastodon.social/tags/LinuxPhone" class="mention hashtag" rel="nofollow noopener" target="_blank">#LinuxPhone</a> <a href="https://mastodon.social/tags/LinuxPhones" class="mention hashtag" rel="nofollow noopener" target="_blank">#LinuxPhones</a> <a href="https://mastodon.social/tags/Yapping" class="mention hashtag" rel="nofollow noopener" target="_blank">#Yapping</a>

Nick (Alatar the Blue)Does anyone daily drive <a href="https://polymaths.social/tags/postmarketos" class="mention hashtag" rel="nofollow noopener" target="_blank">#postmarketOS</a> or any similar <a href="https://polymaths.social/tags/linuxphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxphone</a> that is not an AOSP derivative?How’s the experience?

Björn :startrek: :bash: 🇪🇺Calling all analog film photographers! 🎞️ I've been working on Filmbook, an open-source app to help you keep track of your film usage. It's built with Rust & GTK4/libadwaita for a smooth & modern experience – and it even runs on Linux phones like the Librem 5 and Pinephone Pro! 📱 The first version is ready for testing, and I'd love your input on what features would make it even better! Join the community & help shape Filmbook: <a href="https://codeberg.org/bjawebos/filmbook" rel="nofollow noopener" target="_blank">https://codeberg.org/bjawebos/filmbook</a> ✨ <a href="https://procial.tchncs.de/tags/filmphotography" rel="nofollow noopener" target="_blank">#filmphotography</a> <a href="https://procial.tchncs.de/tags/analogphotography" rel="nofollow noopener" target="_blank">#analogphotography</a> <a href="https://procial.tchncs.de/tags/rustlang" rel="nofollow noopener" target="_blank">#rustlang</a> <a href="https://procial.tchncs.de/tags/gtk" rel="nofollow noopener" target="_blank">#gtk</a> <a href="https://procial.tchncs.de/tags/opensource" rel="nofollow noopener" target="_blank">#opensource</a> <a href="https://procial.tchncs.de/tags/community" rel="nofollow noopener" target="_blank">#community</a> <a href="https://procial.tchncs.de/tags/testing" rel="nofollow noopener" target="_blank">#testing</a> <a href="https://procial.tchncs.de/tags/featureideas" rel="nofollow noopener" target="_blank">#featureideas</a> <a href="https://procial.tchncs.de/tags/librem5" rel="nofollow noopener" target="_blank">#librem5</a> <a href="https://procial.tchncs.de/tags/pinephone" rel="nofollow noopener" target="_blank">#pinephone</a> <a href="https://procial.tchncs.de/tags/linuxphone" rel="nofollow noopener" target="_blank">#linuxphone</a>

Felix DenbrattSo, after about a month of slow and gradual changes to my phone ecosystem (and after accepting the quite unfortunate limitation of having to rely on my work phone for the national eID in Sweden: "BankID", due to missing NFC): I'm now ready to try out the actual switch from iPhone to <a href="https://ioc.exchange/tags/sailfishos" class="mention hashtag" rel="nofollow noopener" target="_blank">#sailfishos</a> <a href="https://ioc.exchange/tags/linuxPhone" class="mention hashtag" rel="nofollow noopener" target="_blank">#linuxPhone</a> from <a href="https://ioc.exchange/tags/jolla" class="mention hashtag" rel="nofollow noopener" target="_blank">#jolla</a> as my 'main driver' phone.Let's see how it goes! 😄

DansLeRuSH ᴱᶰOK, I can understand that this is a niche market and that there won't be as many sales for a <a href="https://floss.social/tags/LinuxPhone" class="mention hashtag" rel="nofollow noopener" target="_blank">#LinuxPhone</a> as for an Android/IOS ... but €1,300 (minimum) for the first backers for the <a href="https://floss.social/tags/LiberuxNEXX" class="mention hashtag" rel="nofollow noopener" target="_blank">#LiberuxNEXX</a> !? 🤯› <a href="https://www.indiegogo.com/projects/liberux-nexx--3#/" rel="nofollow noopener" translate="no" target="_blank">https://www.indiegogo.com/projects/liberux-nexx--3#/</a>

BluelupoLiberux NEXX: Neuer Anlauf für ein Linux-Smartphone auf Indiegogo - LinuxNews.de<a href="https://linuxnews.de/liberux-nexx-neuer-anlauf-fuer-ein-linux-smartphone-auf-indiegogo/" rel="nofollow noopener" translate="no" target="_blank">https://linuxnews.de/liberux-nexx-neuer-anlauf-fuer-ein-linux-smartphone-auf-indiegogo/</a><a href="https://social.tchncs.de/tags/Linuxphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linuxphone</a> <a href="https://social.tchncs.de/tags/Smartphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#Smartphone</a> <a href="https://social.tchncs.de/tags/crowdfunding_finanzierung" class="mention hashtag" rel="nofollow noopener" target="_blank">#crowdfunding_finanzierung</a> <a href="https://social.tchncs.de/tags/NEXX" class="mention hashtag" rel="nofollow noopener" target="_blank">#NEXX</a>

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