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12.13.13

Links 13/12/2013: Linux (Kernel) News

Posted in News Roundup at 9:15 am by Dr. Roy Schestowitz

Spanning over one week, grouped and clustered for convenience

KVM/QEMU/Xen

‘Linux Experience’

  • openSUSE 13.1 vs Ubuntu 13.10: a friendly match

    I often hear the argument that Android is not Linux or Chrome OS is not Linux. Technically that’s not true. Linux is just the kernel and both these operating systems user Linux so they are Linux-based operating systems.

    What people are actually trying to say is they don’t get the same ‘Linux experience’ when they use these operating systems. What’s that Linux experience?

Kernel Version 3.12

  • Linux Kernel News
  • Linux Kernel 3.12.3 Is Now Available for Download
  • Linux Kernel 3.12.2 Is Now Available for Download

    Greg Kroah-Hartman has just announced a few minutes ago, November 29, that the second maintenance release of the Linux kernel 3.12 is now available for download.

  • Linux Kernel 3.12.4 Is Now Available for Download

    Greg Kroah-Hartman has just announced a few minutes ago, December 8, that the fourth maintenance release of the Linux kernel 3.12 is now available for download.

  • Linux 3.13-rc3

    .. I’m still on a Friday release schedule, although I hope that
    changes soon – the reason I didn’t drag this one out to Sunday is that
    it’s already big enough, and I’ll wait until things start calming
    down.

    Which they really should, at this point. Hint hint. I’ll start
    shouting at people for sending me stuff that isn’t appropriate as
    we’re starting to get later into the release candidates.

    That said, it’s not like rc3 is somehow unmanageably large or that
    anything particularly scary has happened. I’d have *liked* for it to
    be smaller, but I always do.. And nothing particularly nasty stands
    out here.

    The bulk here is drivers (net, scsi, sound, crypto..) and ARM DT
    stuff, but there’s the usual randon stuff too, with arch updates
    (pa-risc, more ARM, x86) and some filesystem and networking updates.

Kernel Version 3.13

Jailhouse

Linux Foundation

Training

  • Outreach Program for Women Seeks New Linux Kernel Interns

    The interns who worked with The Linux Foundation as part of the FOSS Outreach Program for Women this summer come from diverse backgrounds and levels of experience, but they now have at least one thing in common (besides their gender). They can all add “Linux kernel hacker” to their resume.

  • A Summer Spent on the LLVM Clang Static Analyzer for the Linux Kernel
  • Training college students to contribute to the Linux kernel

    Following my recent post on the initiatives now in place to rebalance the demographics of the Linux Kernel community, I would like to share a set of specific training activities to get beginners, specifically college students, involved in the kernel.

    These were created by an enthusiastic group at Red Hat, including Matthew Whitehead and Priti Kumar, and unfolded on campus at Rensselaer Polytechnic Institute, Rensselaer Center for Open Source (RCOS), and State University of New York at Albany.

Graphics Stack

  • Radeon Gallium3D MSAA Mesa 10.1 Git Benchmarks
  • NVIDIA’s PTX Back-End For GCC Has Been Published

    As part of the work to bring OpenACC 2.0 and NVIDIA GPU support to GCC, a large set of patches were published this morning for adding NVIDIA’s PTX back-end to the Free Software Foundation’s compiler.

  • AMD APU vs. Radeon GPU Open-Source Comparison

    Earlier this month I ran some benchmarks showing that with the very latest open-source AMD Linux graphics driver code, the AMD APU Gallium3D performance can be ~80%+ the speed of Catalyst, the notorious Linux binary graphics driver. For end-users curious what the AMD A10-6800K “Richland” APU performance is comparable to when it comes to discrete Radeon graphics cards with the R600 Gallium3D driver, here’s some weekend comparison benchmarks.

  • MSM DRM Will Support New Hardware In Linux 3.14

    An early patch-set has been sent out by Rob Clark as he prepares the “MSM” DRM driver changes for the Linux 3.14 kernel. This open-source DRM graphics driver will support at least two new boards in the next kernel development cycle.

  • NVIDIA Helping Nouveau With Video Decoding

    While it isn’t in the form of any complete documentation, a NVIDIA engineer has begun answering questions by the open-source Nouveau driver developers about video decoding with their H.264 engine.

  • New Wayland Live CD Has A Lot Of Features

    The oddly-named Wayland Live CD environment for checking out the next-generation Linux display stack has been updated. The Wayland Live CD ships with many enabled tool-kits, the latest Wayland code, Orbital and Hawaii support, KDE Frameworks Wayland programs, and other new native Wayland applications.

  • DRI3 Support Comes For X.Org GLAMOR

    As the first X.Org graphics driver past the open-source Intel driver to have mainline support for Direct Rendering Infrastructure 3 is GLAMOR.

  • Quad-Monitor AMD/NVIDIA Linux Gaming: What You Need To Know
  • How to start contributing to Mesa3D
  • Crystal HD Decodes New Linux Support Improvements

    A couple years ago Broadcom released the Crystal HD as a standalone hardware video decoder chip. While there’s been an open-source Linux driver for the Crystal HD, we haven’t heard much about it in recent months, but that changed this morning.

  • AMD APU On Linux: Gallium3D Can Be 80%+ As Fast As Catalyst

    After running earlier this week a 21-way graphics card comparison with Intel, AMD, and NVIDIA GPUs, there were requests by some Phoronix readers to see some new APU performance numbers. For ending out November, here’s new Catalyst vs. Gallium3D driver benchmarks on Ubuntu Linux for the AMD A10-6800K with its Radeon HD 8670D graphics. The results with the latest Linux kernel and Mesa are very positive towards the open-source AMD driver where in some tests the performance can nearly match Catalyst! For at least one Source Engine game, the open-source driver can now even run significantly faster than the binary driver.

  • Mesa 10.0 Release Brings OpenGL 3.3

    The 10.0 release was expected a few days back, but now it’s finally happened via Intel’s Ian Romanick with this brief announcement.

  • zRAM Is Still Hoping For A Promotion

    While zRAM has been part of the Linux kernel’s staging area for a while now and this RAM-based compressed block device is used by Chrome OS and Android, it’s struggling to get promoted to the main area of the kernel.

  • Intel’s GL Windows Driver Pushes Further Ahead Of Linux

    Intel’s Windows OpenGL driver continues to make progress in a more steadfast manner than the open-source Intel Linux graphics driver. The latest achievement for the Intel Windows driver is OpenGL 4.2 compliance for Haswell.

  • Another Game Studio Backs AMD’s Mantle API

    There’s another game studio now backing AMD’s Mantle graphics rendering API that aims to be faster and easier to implement for games than OpenGL. However, we’re still waiting for AMD Mantle on Linux.

  • AMD “RadeonSI” Team Fortress 2 Is Now 75% Faster

    The RadeonSI Gallium3D driver for AMD HD 7000 series GPUs and newer is now 75% faster for the Source Engine Team Fortress 2 game thanks to a new patch-set by Marek.

  • Ultra HD 4K Linux Graphics Card Testing

    If you’ve been eyeing a purchase of a 4K “Ultra HD” TV this holiday season and will be connecting it to a Linux system, here’s the information that you need to know for getting started and some performance benchmarks to set the expectations for what you can expect. This article has a number of AMD Radeon and NVIDIA GeForce benchmarks when running various Linux OpenGL workloads at a resolution of 3840 x 2160.

  • XDG-Shell Patches Get Moving For Wayland

    After a lot of mailing list discussions amongst developers that have a stake in Wayland and early patches sent out, the latest xdg-shell patches were formally distributed today on the developers’ mailing list. The xdg-shell is a new protocol living outside of the core Wayland protocol.

Benchmarks

Btrfs

  • Btrfs hands-on: Exploring the error recovery features of the new Linux file system

    This is my final post in this series about the btrfs filesystem. The first in the series covered btrfs basics, the second was resizing, multiple volumes and devices, the third was RAID and Redundancy,and the fourth and most recent was subvolumes and snapshots.

    I think (and hope) that all of those together give a reasonable overview of what the btrfs filesystem is, what you can do with it, and how you can do some of those things. In this post I will wrap up a couple of loose ends – error recovery, and integration with other standard Linux utilities – and try to give a recap of the series as a whole. For complete and authoritative information, please refer to the Btrfs Wiki at kernel.org.

  • Btrfs hands on: My first experiments with a new Linux file system

    Btrfs is a new file system for Linux, one that is still very much in development. Although I wouldn’t exactly describe it as “experimental” any more, it is, as stated in the Wiki at kernel.org, “a fast-moving target”.

    It has also been said publicly that the basic format and structure of the filesystem should now be stable; it would only be changed in the future if some overriding reason or need is found.

    The point of all this should be clear — it is still very early days, and it is not recommended to use btrfs in critical systems of any kind.

    I leave it to the reader to decide how critical their systems are; for my own purposes, I will be using btrfs on several systems that I use as testbeds, some of which I carry with me and use for normal work on a daily basis, so it will get a “real” test, but I will not be using it on the primary systems that my partner and I use for home/work/business activities.

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