AerynOS 2025.12 Brings Many Package Updates
AerynOS 2025.12 is available today as the latest installment of this from-scratch Linux distribution originally known as Serpent OS… ⌘ Read more

Canonical To Distribute AMD ROCm Libraries With Ubuntu 26.04 LTS
AMD previously talked of simplifying the in-box Linux support for ROCm during the second half of 2025. So far we haven’t seen any groundbreaking changes from that initiative besides AMD working on various package archives/repositories to make it easier to install the latest ROCm on different Linux distributions. But today a big announcement is now public that Canonical with next year’s Ubuntu 26.04 LTS release will provide official ROCm packages al … ⌘ Read more

Linux Foundation’s Newest Endeavor: The Agentic AI Foundation
The Linux Foundation today announced it’s formed another foundation under its growing umbrella that extends well beyond the traditional “Linux” landscape: the Agentic AI Foundation… ⌘ Read more

Firefox 147 Beta Released With XDG Base Directory Support
With Firefox 146 released, which is exciting for delivering fractional scaling on Wayland, Firefox 147 Beta is now available and it’s also quite exciting to Linux users for another reason… ⌘ Read more

Scheduler Woes: Bisecting Early Performance Regressions Found In Linux 6.19
Yesterday I noted some early performance regressions I’ve found on the Linux 6.19 kernel compared to Linux 6.18 LTS stable. Those initial benchmarks were on an AMD EPYC server. Since then I’ve seen many of the same workloads regressing similarly on an AMD Ryzen Threadripper workstation between Linux 6.18 and Linux 6.19 Git. Given the significant impact and AMD Threadripper processors always helping out to speed-up Linux kernel build time … ⌘ Read more

Microsoft Has Many Hyper-V Virtualization Improvements For Linux 6.19
For benefiting their Azure cloud and other users of Hyper-V virtualization at large, Microsoft has rolled out a number of feature additions and improvements for their Hyper-V kernel code in Linux 6.19… ⌘ Read more

Bug-Catching “Smatch” Static Analysis On The Linux Kernel Under Threat Due To Funding Gap
For the past 15 years the Smatch static analysis tool has been routinely run for uncovering countless bugs within the Linux kernel. Dan Carpenter who authored Smatch and has been routinely analyzing the Linux kernel with it has authored more than 5,568 patches over the years to become one of the top bug fixers for the kernel. But his funding at Linaro has been cut and the project’s future now in question… ⌘ Read more

Linux 6.19 Enables Per-CPU BIO Caching By Default For Helping Performance
Last week saw the main set of block and IO_uring feature patches for the Linux 6.19 merge window but some additional block subsystem material was merged on Monday. There are various NVMe updates now merged plus enabling per-CPU BIO caching by default to help with file-system performance… ⌘ Read more

F2FS Brings More Performance Optimizations To Linux 6.19
The Flash-Friendly File-System “F2FS” is enjoying more performance optimizations and other improvements for the Linux 6.19 kernel cycle… ⌘ Read more

Firefox 146 Now Available With Native Fractional Scaling On Wayland
Firefox 146 has been released with native fractional scaling support on Wayland – finally giving Linux users crisp UI rendering. Other new additions include GPU process improvements on macOS, developer-focused CSS features, and broader access to Firefox Labs. Phoronix reports: Firefox 146 also now makes Firefox Labs available to all users, … ⌘ Read more

Linux 6.19’s Hung Task & System Lockup Detectors Can Provide Greater Insight
Beginning with the Linux 6.19 kernel, the hung task detector and system lock-up detector are now optionally able to provide greater insight into the issues by dumping additional system information. The new lockup_sys_info and hung_task_sys_info sysctl knobs were merged over as part of the pull requests managed by Andrew Morton… ⌘ Read more

Live Update Orchestrator “LUO” Merged For Linux 6.19
Google engineers for the past number of months have been working on the Live Update Orchestrator as a new way of applying live Linux kernel updates. The Live Update Orchestrator “LUO” builds atop the Kexec Handover “KHO” functionality already within the kernel. Google has since been deplyoing LUO in their production environments for faster security updates to kernels, especially when involving VMs. LUO is now upstream in Linux 6.19… ⌘ Read more

Firefox 146 Now Available With Native Fractional Scaling On Wayland
The Mozilla Firefox 146.0 release binaries are now available with a very exciting improvement for Linux users relying on Wayland… ⌘ Read more

Intel Arc B580 vs. AMD Radeon RX 9000 vs. NVIDIA RTX 50 Series For Llama.cpp Vulkan Performance
Recently there were Phoronix benchmarks looking at the Intel Battlemage GPU compute performance since last year when the Arc B580 graphics card launched as well as the OpenGL and Vulkan graphics performance for the B580 on Linux since launch. There was much progress on the open-source Intel Linux graphics drivers at large this year but especially for Battlemage. Following that a Phoronix Premium reader asked about se … ⌘ Read more

Early Benchmarks Of Linux 6.19 Git Showing Some Concerns
While just half-way through the Linux 6.19 merge window, over the weekend I began running some benchmarks of the current Linux 6.19 Git state compared to Linux 6.18 LTS stable. There are some minor performance improvements to note in a few of the tests on the first system I tested but also some regressions at this very early pre-RC1 state of the Linux 6.19 kernel… ⌘ Read more

AMD Working On Push-Based Load Balancing For Linux To Further Enhance Performance
One of the new Linux engineering initiatives out of AMD is working to further enhance Linux performance on today’s large core count systems by introducing push-based load balancing… ⌘ Read more

Several Logitech Devices Seeing New/Improved Support With Linux 6.19
All of the Human Interface Devices (HID) subsystem updates were merged a few days ago for the ongoing Linux 6.19 kernel merge window. Standing out this cycle on the HID side are seeing new/improved support for several Logitech devices… ⌘ Read more

Linux I3C Gains “HDR” Support For Faster Data Transfers
I2C in Linux 6.19 brought support for Rust-written I2C drivers. The newer I3C “Improved Inter-Integrated Circuit” interface changes have now been merged and the big feature there is HDR support. Not to be confused with the more common High Dynamic Range acronym usage for HDR, HDR in the I3C context is for the “High Data Rate” mode for facilitating faster data transfers… ⌘ Read more

Arm MPAM Driver Upstreamed To The Linux 6.19 Kernel
The ARM64 code changes were merged last week into the in-development Linux 6.19 kernel. The most notable of the ARM64 architecture changes this cycle is landing the Arm MPAM driver for Arm’s Memory System Resource Partitioning and Monitoring… ⌘ Read more

Linux GPIB Drivers Declared Stable - 53 Years After HP Introduced The Bus
Merged to the mainline Linux kernel last year was GPIB drivers in the kernel’s “staging” area. GPIB is the General Purpose Interface Bus launched by HP back in 1972 for lab equipment and more. After a year of cleaning up the code in the kernel’s staging area, for Linux 6.19 the GPIB drivers have been promoted out of the staging area and into the Linux kernel proper. The Linux kernel now has stable driver support for this 8 Mbyte/s parallel … ⌘ Read more

Linux 6.19 Introduces PCIe Link Encryption & Device Authentication, AMD SEV-TIO Enabling
One of the most exciting merges this weekend to the Linux 6.19 kernel is establishing the infrastructure for supporting PCI Express link encryption and device authentication. Multiple vendors are working on PCIe link encryption for their hardware while this initial pull begins laying the foundation of AMD SEV-TIO Trusted I/O support for the mainline kernel… ⌘ Read more

New FreeBSD 15 Retires 32-Bit Ports and Modernizes Builds
FreeBSD 15.0-RELEASE arrived this week, notes this report from The Register, which calls it the latest release “of the Unix world’s leading alternative to Linux.”

As well as numerous bug fixes and upgrades to many of its components, the major changes in this version are reductions in the number of platforms the OS supports, and in how it’s built and how its … ⌘ Read more

Homebrew Can Now Help You Install Flatpaks Too
“Homebrew, the package manager for macOS and Linux, just got a handy new feature in the latest v5.0.4 update,” reports How-To Geek.

Brewfile install scripts “are now more like a one-stop shop for installing software, as Flatpaks are now supported alongside Brew packages, Mac App Store Apps, and other packages.”

For those times when you need to install many software packages at on … ⌘ Read more

Linux 6.19 Delivers Working USB3 Support For Apple Silicon Devices
Merged last night for the Linux 6.19 kernel merge window were all of the USB and Thunderbolt driver changes. Standing out this cycle is Apple Silicon devices like the M1 Macs now having working USB3 support on the mainline Linux kernel… ⌘ Read more

Linux 6.19 Delivers Working USB3 Support For Apple Silicon Devices
Merged last night for the Linux 6.19 kernel merge window were all of the USB and Thunderbolt driver changes. Standing out this cycle is Apple Silicon devices like the M1 Macs now having working USB3 support on the mainline Linux kernel… ⌘ Read more

NVIDIA Plumbs DMA-BUF Support For VFIO PCI Devices In Linux 6.19
In addition to NVIDIA improving peer-to-peer (P2P) DMA for block devices in Linux 6.19, NVIDIA also led an effort providing DMA-BUF support for VFIO PCI devices for opening up some interesting new cases moving forward. As part of the VFIO pull request this new functionality has landed for Linux 6.19… ⌘ Read more

Rust Drivers In Linux 6.19 Will Now Support… Module Parameters
On top of the Rust driver core changes and other Rust code for Linux 6.19, the modules infrastructure for this new kernel version is also bringing some new code. Surprisingly, it’s taken until now for Rust kernel modules/drivers to support module parameters as is common practice for passing different options when booting the kernel or manually loading kernel drivers with extra non-default options… ⌘ Read more

New Jolla Phone Now Available for Pre-Order as an Independent Linux Phone
Jolla is “trying again with a new crowd-funded smartphone,” reports Phoronix:

Finnish company Jolla started out 14 years ago where Nokia left off with MeeGo and developed Sailfish OS as a new Linux smartphone platform. Jolla released their first smartphone in 2013 after crowdfunding but ultimately the Sailfish OS focus the pa … ⌘ Read more

Linux 6.19 Adds New Console Font To Better Handle Modern Laptops With HiDPI Displays
Sent in for the Linux 6.19 merge window when it comes to the frame-buffer device “FBDEV” subsystem are just a set of “fixes” for FBDEV drivers and code clean-ups. But it does also include a new console font option for better supporting modern laptops with high density displays… ⌘ Read more

Microsoft’s RAMDAX Driver Merged For Linux 6.19 To Carve Out RAM As NVDIMM Devices
The Non-Volatile Memory Device (NVDIMM) subsystem updates were merged today for the in-development Linux 6.19 kernel. Most notable this cycle for the NVDIMM code is a new open-source driver addition courtesy of Microsoft… ⌘ Read more

Tenstorrent Blackhole Support & Other New RISC-V + ARM64 Hardware In Linux 6.19
The set of six branches containing SoC and platform updates/additions for the Linux 6.19 kernel have been merged for enabling a lot of new RISC-V and ARM 64-bit hardware as well as enhancing some existing SoCs/platforms… ⌘ Read more

Linus Torvalds Defends Windows’ Blue Screen of Death
Linus Torvalds recently defended Windows’ infamous Blue Screen of Death during a video with Linus Sebastian of Linus Tech Tips, where the two built a PC together. It’s FOSS reports: In that video, Sebastian discussed Torvalds’ fondness for ECC (Error Correction Code). I am using their last name because Linus will be confused with Linus. This is where Torvalds says this: … ⌘ Read more

FEX 2512 Released With More Improvements For Gaming On ARM64 Linux
FEX 2512 is out toda as the newest monthly update for this software that enables running x86/x86_64 Linux binaries on ARM64 Linux, including the likes of Wine and Valve’s Steam Play (Proton) for being able to run Windows games on 64-bit ARM Linux devices… ⌘ Read more

Linux 6.19 Brings Many Driver Core Changes For Rust, Housekeeping CPUs Exposed
Beyond the main set of Rust changes to land in Linux 6.19 earlier this week, as we near the end of the first week of two for the Linux 6.19 merge window… More Rust changes. This time around the driver core updates for the kernel bring a number of Rust changes… ⌘ Read more

An Intel Fellow & Prominent Linux Performance Engineer Resigns From Intel
There have been many Intel Linux/open-source software engineers to leave the company over the past year among other setbacks for their Linux/open-source initiatives. Announced this Friday night is one of their highest profile departures of the year as it pertains to their Linux efforts… ⌘ Read more

Linux Still Dealing With Quirky Firewire Devices As We Enter 2026
For Linux 6.19 as what will be the first stable kernel release of 2026, the IEEE-1394 Firewire stack continues dealing with device quirks and improving support for different Firewire-connected devices. In 2026 is also when the Linux Firewire maintainer plans to begin recommending users migrate away from the IEEE-1394 bus followed by closing the Linux Firewire efforts in 2029… ⌘ Read more

NVIDIA Improves Block Layer Peer-To-Peer DMA In Linux 6.19
The IO_uring and block subsystem changes have been merged for the Linux 6.19 merge window with a few improvements worth highlighting this cycle… ⌘ Read more

Jolla Trying Again To Develop A New Sailfish OS Linux Smartphone
Finnish company Jolla started out 14 years ago where Nokia left off with MeeGo and developed Sailfish OS as a new Linux smartphone platform. Jolla released their first smartphone in 2013 after crowdfunding but ultimately the Sailfish OS focus the past number of years now has been offering their software stack for use on other smartphone devices. But now it seems they are trying again with a new crowd-funded smartphone… ⌘ Read more

AMD EPYC 7773X “Milan-X” Performance & Power Nearly Four Years Later
Nearly four years have passed since AMD launched their EPYC Milan-X processors with 3D V-Cache. When recently rearranging some servers in the lab and realizing the four year anniversary was coming up in March, curiosity got the best of me in wondering where the Linux performance and energy efficiency on Milan-X is now with the latest Linux software stack compared to the numbers when Milan-X launched back in March 2022. ⌘ Read more

Intel Updates Cache Aware Scheduling For Linux With Better NUMA Balancing
Intel engineer Tim Chen has sent out a second version of the proposed Cache Aware Scheduling patches for the Linux kernel to enhance the CPU performance of modern processors sporting multiple cache domains… ⌘ Read more

Venus Vulkan Driver Lands Mesh Shader Support In Mesa 26.0
Venus is the VirtIO-GPU driver that allows for Vulkan support within guest virtual machines permitting sufficient host driver support and other requirements in place with hypervisors like CrosVM and QEMU. The Venus driver now supports Vulkan’s mesh shader capabilities and in turn advances the DXVK-Proton support for Linux gaming within VMs… ⌘ Read more

Intel Graphics Score A Big Win With Linux 6.19: Color Management & Xe VFIO Driver Merged
On top of enabling Xe3P graphics for Nova Lake and Crescent Island plus other changes like CASF adaptive sharpening for Lunar Lake and newer, another set of Intel kernel graphics driver updates were merged overnight as a big win for the open-source Intel graphics stack on Linux… ⌘ Read more

Intel Nova Lake Audio Support Merged For Linux 6.19
The sound subsystem updates were merged on Thursday for enabling a variety of new audio hardware with the Linux 6.19. Among the hardware standing out is getting Intel Nova Lake audio support in order… ⌘ Read more

next-20251205: linux-next
Version:next-20251205 (linux-next)Released:2025-12-05 ⌘ Read more

Linux 6.19 GPU Driver Features: Color Pipeline API, Intel Xe3P, AMDGPU For GCN 1.0/1.1
The big set of kernel graphics driver features were merged today for the Linux 6.19 kernel. As usual there is a lot of new feature work on the AMD Radeon, Intel, and NVIDIA graphics drivers plus the smaller Arm/embedded graphics like now having initial Qualcomm Gen8 GPU support. Plus the growing number of accelerator “accel” drivers for NPUs / AI accelerators… ⌘ Read more

Linux 6.19 Brings Temperature Monitoring For The Steam Deck APU, Apple Silicon SMC
The many hardware monitoring (HWMON) subsystem updates were merged today for Linux 6.19 that is predominantly around delivering new hardware support… ⌘ Read more

FWIW, day 03 and day 04 where solved on SuSE Linux 6.4:

https://movq.de/v/faaa3c9567/day03.jpg

https://movq.de/v/faaa3c9567/day04%2Dv3.jpg

Performance really is an issue. Anything is fast on a modern machine with modern Python. But that old stuff, oof, it takes a while … 😅

Should have used C or Java. 🤪 Well, maybe I do have to fall back on that for later puzzles. We’ll see.

Printk Improvement For Linux 6.19 Can Significantly Speed-Up Boot Times For Some Systems
The Linux kernel’s printk code for logging kernel messages has some useful improvements with the Linux 6.19 kernel… ⌘ Read more

Linux 6.19 Fixes A Thundering Herd Problem For Big NUMA Servers
The “timers/core” pull requests for updating Linux kernel timer-related code doesn’t tend to be too interesting each kernel cycle, but this time around for Linux 6.19 it is for addressing a problem HPE discovered on big NUMA servers… ⌘ Read more

Linux 6.19 Will Allow Enforcing IPE Security Checks On Indirectly Executed Scripts
Linux’s Integrity Policy Enforcement “IPE” module is gaining a useful addition with the in-development Linux 6.19 kernel… ⌘ Read more