6 August

Ubuntu 20.04.1 LTS Released With The Latest Fixes

For those that prefer waiting until the first point release of a new Ubuntu Long Term Support series before upgrading, Ubuntu 20.04.1 LTS is out with the latest bug and security fixes for the "Focal Fossa" release.

6 August 02:59 PM EDT - Ubuntu - Ubuntu 20.04.1 LTS - 21 Comments
GNU C Library 2.32 Released

GNU C Library 2.32 (glibc 2.32) is now available as this important library for Linux and other Unix-like operating systems.

6 August 07:07 AM EDT - GNU - Glibc 2.32 - 6 Comments
Linux 5.9 Introducing A Multi-Color LED Framework

Longtime Linux kernel developer Pavel Machek has taken over as sole maintainer of the LED subsystem. For this first pull request going into Linux 5.9 is a big addition... The multi-color LED framework code has finally been merged.

6 August 04:25 AM EDT - Hardware - Multi-Color LEDs! - 7 Comments

5 August

FS-Cache Rewritten But Even Its Developers Are Hesitant About Landing It For Linux 5.9

FS-Cache provides the Linux kernel with a general purpose cache for network file-systems like NFS and AFS but also other special use-cases like ISO9660 file-systems. FS-Cache has been rewritten for better performance and reliability, among other benefits, and while it has been sent in as a pull request for Linux 5.9 even its own developers provide some caution over landing it this cycle.

5 August 03:37 PM EDT - Linux Storage - FS-CACHE - 6 Comments
Intel Workaround For Graphics Driver Regression: "The Platform Problem Going Crazy"

Sent out over the weekend was a patch series for the Intel Linux kernel graphics driver entitled "Time, where did it go?" This set of 42 patches aims to provide incremental improvements to the driver to offset a performance regression in Linux 5.7 that Intel hasn't been able to track down. This increased complication of the driver to offset the regression is now under the microscope.

5 August 09:54 AM EDT - Intel - Rejected - 20 Comments

4 August

RADV ACO Back-End Begins Tackling Navi 2 / GFX10.3 Support

With the "Sienna Cichlid" and "Navy Flounder" open-source driver support as what appear to be the first "Navi 2" GPUs and the first of the "GFX10.3" generation on the graphics engine side there is the initial kernel support with Linux 5.9 and the initial Mesa support for 20.2. That Mesa support has been focused on RadeonSI as the official OpenGL driver as well as Mesa's RADV driver as the Radeon Vulkan driver in-tree but not officially supported by AMD. That RADV support is currently un-tested. Both drivers currently depend upon the "AMDGPU" back-end found in the forthcoming LLVM 11.0 with its initial GFX10.3 support. But now on the RADV driver side there is preliminary GFX10.3 bits landing for the popular "ACO" back-end.

4 August 08:35 PM EDT - Radeon - RADV ACO - 7 Comments
Defaulting Radeon GCN 1.0/1.1 GPUs To Better Linux Driver Is Held Up By Analog Outputs

Switching from the "Radeon" to "AMDGPU" kernel driver on Linux is possible for Radeon GCN 1.0/1.1 era graphics cards and doing so can mean slight performance benefits, the ability to run the AMDVLK or RADV Vulkan drivers, and simply making use of this better maintained driver. But having these original GCN graphics cards default to the modern AMDGPU driver appears held up by the lack of analog video output support with that driver.

4 August 11:08 AM EDT - Radeon - GCN 1.0/1.1 For AMDGPU - 65 Comments
After 5 Years, FSGSBASE Support Finally Ready For Linux To Enhance AMD/Intel Performance

The Linux kernel work for making use of the x86_64 FSGSBASE instruction since Intel Ivy Bridge and since then AMD CPUs also is set to finally land with the in-development Linux 5.9 kernel. The FSGSBASE support has the possibility of helping Intel/AMD CPU performance especially in areas like context switching that had been hurt badly by Spectre/Meltdown and other CPU vulnerability mitigations largely on the Intel side.

4 August 09:45 AM EDT - Linux Kernel - FSGSBASE For Linux 5.9 - 12 Comments
Intel's Open-Source H.265/HEVC Encoder Sees First Release Of 2020

Intel's Scalable Video Technology team is known for their open-source video encoder work particularly on AV1 and VP9 formats, but they also continue to maintain a high performance H.265/HEVC encoder as well. Intel SVT-HEVC 1.5 was released on Monday as their first major update of the year.

4 August 12:03 AM EDT - Intel - SVT-HEVC 1.5.0 - 11 Comments

3 August

GNU Linux-libre 5.8 Required A Lot Of Deblobbing

Linux 5.8 is one of the biggest releases in a while but that newly-stable kernel also means a lot of the new drivers need to be stripped out or otherwise modified over being reliant on binary-only firmware/microcode or contingent upon other dependencies deemed not free to the Free Software Foundation standards.

3 August 09:51 AM EDT - Linux Kernel - GNU Linux-Libre 5.8 - 13 Comments

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