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Linux 5.7 Developments

  • Linux 5.7 Staging's Spring Cleaning Sees Almost 30k Lines Of Code Dropped

    The staging/IO pull sent in for the Linux 5.7 merge window saw 20.1k lines of code added but 47.9k lines of code removed. Coming in nearly thirty-thousand lines of code lighter is largely thanks to - Dropping Wireless USB and Ultra Wideband support. UWB and WUSB support was cleared out of staging with this technology no longer being of much relevance/adoption and the code within the tree not being maintained. Also flushed out of staging was dropping the existing exFAT file-system driver now that via the VFS tree will be the new Samsung-developed exFAT Linux driver. Also being cleared out with this spring cleaning is the ancient HP 100BaseVG AnyLAN driver from the 90's.

  • IO_uring Sees More Improvements With Linux 5.7 For This Exciting I/O Tech

    Within minutes of Linux 5.6 being released on Sunday evening, Jens Axboe was already with sending in the start of the various storage areas to the kernel that he oversees with their feature updates for Linux 5.7. IO_uring is one of the most exciting happenings in the Linux storage space since its introduction last year in Linux 5.1. With succeeding kernels, IO_uring has continued seeing more features implemented, performance optimizations, and other improvements. That is continuing to happen with the Linux 5.7 kernel now in development.

xorg-server 1.20.8

Adam Jackson (1):
      Revert "dri2: Don't make reference to noClientException"

Arthur Williams (1):
      dix: Check for NULL spriteInfo in GetPairedDevice

Daniel Llewellyn (1):
      os: Ignore dying client in ResetCurrentRequest

Dave Airlie (1):
      modesetting: remove unnecessary error message, fix zaphod leases

David Seifert (1):
      Fix building with `-fno-common`

Dor Askayo (1):
      xwayland: clear pixmaps after creation in rootless mode

Eric Anholt (1):
      glamor: Fix a compiler warning since the recent OOM fixes.

George Matsumura (1):
      Restrict 1x1 pixmap filling optimization to GXcopy

Jon Turney (2):
      Add xf86OSInputThreadInit to stub os-support as well
      Fix old-style definition warning for xf86OSInputThreadInit()

Jonas Ådahl (1):
      xwayland/glamor-gbm: Handle DRM_FORMAT_MOD_INVALID gracefully

Kenneth Graunke (1):
      configure: Define GLAMOR_HAS_EGL_QUERY_DRIVER when available

Maarten Lankhorst (1):
      modesetting: Disable atomic support by default

Matt Turner (1):
      xserver 1.20.8

Michel Dänzer (8):
      modesetting: Explicitly #include "mi.h"
      xfree86/modes: Bail from xf86RotateRedisplay if pScreen->root is NULL
      xwayland: Split up xwl_screen_post_damage into two phases
      xwayland: Call glamor_block_handler from xwl_screen_post_damage
      xwayland: Add xwl_window_create_frame_callback helper
      xwayland: Use single frame callback for Present flips and normal updates
      xwayland: Use frame callbacks for Present vblank events
      xwayland: Delete all frame_callback_list nodes in xwl_unrealize_window

Paul Kocialkowski (4):
      glamor: Propagate FBO allocation failure for picture to texture upload
      glamor: Error out on out-of-memory when allocating PBO for FBO access
      glamor: Propagate glamor_prepare_access failures in copy helpers
      glamor: Fallback to system memory for RW PBO buffer allocation

git tag: xorg-server-1.20.8

Read more Also: X.Org Server 1.20.8 Released With No Sign Of GLAMOR/XWayland-Improved X.Org Server 1.21

Android Leftovers

Debian Leftovers and Developers' Takes

  • Louis-Philippe Véronneau: Using Zoom's web client on Linux

    Like too many institutions, the school where I teach chose to partner up with Zoom. I wasn't expecting anything else, as my school's IT department is a Windows shop. Well, I guess I'm still a little disappointed. Although I had vaguely heard of Zoom before, I had never thought I'd be forced to use it. Lucky for me, my employer decided not to force us to use it. To finish the semester, I plan to record myself and talk with my students on a Jitsi Meet instance. I will still have to attend meetings on Zoom though. I'm well aware of Zoom's bad privacy record and I will not install their desktop application. Zoom does offer a web client. Sadly, on Linux you need to jump through hoops to be able to use it.

  • Mike Gabriel: Mailman3 - Call for Translations (@Weblate)

    Over the last months I have found an interest in Mailman3. Given the EOL of Python2 in January 2020 and also being a heavy Mailman2 provider for various of my projects and also for customers, I felt it was time to look at Mailman2's successor: Mailman3 [1]. One great novelty in Mailman3 is the strict split up between backend (Mailman Core), and the frontend components (django-mailman3, Postorius, Hyperkitty). All three are Django applications. Postorius is the list management web frontend whereas Hyperkitty is an archive viewer. Other than in Mailman2, you can also drop list posts into Hyperkitty directly (instead of sending a mail to the list). This makes Hyperkitty also some sort of forum software with a mailing list core in the back. The django-mailman3 module knits the previous two together (and handles account management, login dialog, profile settings, etc.).

  • Sven Hoexter: Looking into Envertech Enverbridge EVB 202 SetID tool

    Disclaimer: I'm neither an experienced programmer nor proficient in reverse engineering, but I like at least to try to figure out how things work. Sometimes the solution is so easy, that even I manage to find it, still take this with a grain of salt. I lately witnessed the setup of an Envertech EnverBridge ENB-202 which is kind of a classic Chinese IoT device. Buy it, plug it in, use some strange setup software, and it will report your PV statistics to a web portal. The setup involved downloading a PE32 Windows executable, with an UI that basically has two input boxes and a sent button. You've to input the serial number(s) of your inverter boxes and the ID of your EnverBridge. That made me interested in what this setup process really looks like. The EnverBridge device itself has on one end a power plug, which is also used to communicate with the inverter via some Powerline protocol, and a network plug with a classic RJ45 end you plug into your network. If you power it up it will request an IPv4 address via DHCP. That brings us to the first oddity, the MAC address is in the BC:20:90 prefix which I could not find in the IEEE lists.

  • Paulo Henrique de Lima Santana: My free software activities in February 2020

    I started to talk with Maristela from IEP - Instituto de Engenharia do Paraná and after some messages and I joined a meeting with her and other members of Câmara Técnica de Eletrônica, Computação e Ciências de Dados. I explained about FLISOL in Curitiba to them and they agreed to host the event at IEP. I asked to use three spaces: Auditorium for FLISOL talks, Salão Nobre for meetups from WordPress and PostgreSQL Communities, and the hall for Install Fest. Besides FLISOL, they would like to host other events and meetups from Communities in Curitiba as Python, PHP, and so on. At least one per month.

  • Covid 19 and the Indian response.

    There have been lot of stories about Coronavirus and with it a lot of political blame-game has been happening. The first step that India took of a lockdown is and was a good step but without having a plan as to how especially the poor and the needy and especially the huge migrant population that India has (internal migration) be affected by it. A 2019 World Economic Forum shares the stats. as 139 million people. That is a huge amount of people and there are a variety of both push and pull factors which has displaced these huge number of people. While there have been attempts in the past and probably will continue in future they will be hampered unless we have trust-worthy data which is where there is lots that need to be done. In the recent few years, both the primary and secondary data has generated lot of controversies within India as well as abroad so no point in rehashing all of that. Even the definition of who is a ‘migrant’ needs to be well-established just as who is a ‘farmer’ . The simplest lucanae in the later is those who have land are known as ‘farmers’ but the tenant farmers and their wives are not added as farmers hence the true numbers are never known. Is this an India-specific problem or similar definition issues are there in the rest of the world I don’t know. [...] What is worrying though that people can be infected twice or more as seems to be from Singapore or China and elsewhere. I have read enough of Robin Cook and Michael Crichton books to be aware that viruses can do whatever. They will over time mutate, how things will happen then is anybody’s guess. What I found interesting is the world economic forum article which hypothesis that it may be two viruses which got together as well as research paper from journal from poteome research which has recently been published. The biggest myth flying around is that summer will halt or kill the spread which even some of my friends have been victim of . While a part of me wants to believe them, a simple scientific fact has been viruses have probably been around us and evolved over time, just like we have. In fact, there have been cases of people dying due to common cold and other things. Viruses are so prevalent it’s unbelivable. What is and was interesting to note is that bat-borne viruses as well as pangolin viruses had been theorized and shared by Chinese researchers going all the way back to 90’s . The problem is even if we killed all the bats in the world, some other virus will take its place for sure. One of the ideas I had, dunno if it’s feasible or not that at least in places like Airports, we should have some sort of screenings and a labs working on virology. Of course, this will mean more expenses for flying passengers but for public health and safety maybe it would worth doing so. In any case, virologists should have a field day cataloging various viruses and would make it harder for viruses to spread as fast as this one has. The virus spread also showed a lack of leadership in most of our leaders who didn’t react fast enough. While one hopes people do learn from this, I am afraid the whole thing is far from over. These are unprecedented times and hope that all are maintaining social distancing and going out only when needed.