Latest Linux Hardware Reviews, Open-Source News & Benchmarks

Going back to earlier in the year AMD Linux engineers have been prepping the kernel for PCI Express TLP Processing Hints (TPH) support that allows for hints that can be injected to improve latency and lowering traffic congestion when there are several possible cache locations on the server with the TPH noting the optimal location of a Transaction Layer Packet (TLP). This PCIe TPH support is set to be merged upstream with the forthcoming Linux 6.13 cycle.

Mozilla Firefox 132.0 release builds are now available for Linux, macOS, and Windows for this newest monthly feature release to this open-source web browser.

The Trinity Desktop Environment as a still-maintained fork of the KDE 3.5 desktop software is out with a new point release.

While the sched_ext extensible scheduler code was merged for Linux 6.12, work on sched_ext itself it is not over. New patches this weekend continue working on NUMA awareness for it with its default idle selection policy while similar work on CPU last level cache (LLC) awareness are slated for the upcoming Linux 6.13 cycle.

Another feature to look forward to with this quarter's Mesa 24.3 release is the open-source Freedreno Gallium3D driver for Qualcomm Adreno hardware now supporting Rusticl-based OpenCL compute.

Over the past year we have seen Raspberry Pi working a lot on Wayland support for the Raspberry Pi OS desktop and using it on their latest Raspberry Pi models. With today's new Raspberry Pi OS update, Wayland is being used by default across all Raspberry Pi devices.

While the Linux 6.12 kernel enables Intel Xe2 Battlemage discrete GPU support out-of-the-box as a sign of its maturing state, there are a number of patches for the open-source Battlemage driver support that are ongoing. One of the areas seeing some patches recently are around enhancing the display features with Battlemage's upgraded capabilities. Plus there's ongoing work around next-gen Xe3 graphics too.

It turns out the latest AMD Ryzen desktop processors offer support for AMD Smart Trace Buffer (STB) that previously was only limited to mobile platforms.

Intel has issued their newest quarterly feature release of their FFmpeg Cartwheel, which is their developer staging area of new video acceleration related patches for Intel graphics hardware that they are working to upstream within the widely-used, open-source FFmpeg library.

Sway 1.10 released on Sunday as the newest version of this i3-inspired Wayland compositor for the Linux desktop.

Following a busy week of kernel drama stemming from the Russian sanctions impacting Linux maintainers, Linus Torvalds is out with the Linux 6.12-rc5 weekly test candidate.

Sent out in original patch form this past week and already iterated to a second version this Sunday, a new proposal is underway to introduce "hung_task_detect_count" as a convenient means of tracking the number of times hung tasks are detected since boot.

Intel merged Linear Address Masking into the Linux kernel last year as a means of allowing user-space to store metadata within some bits of pointers without masking it out before use. LAM can be useful for virtual machines, sanitizers / profiling / memory tagging, and other uses. While the brand new Intel Arrow Lake and Lunar Lake CPUs support LAM, the Linux kernel is now disabling LAM out of security concerns.

For the past year Intel software engineers have been developing a PCIe cooling driver to reduce the PCIe link speed to cope with thermal issues. In the future with PCI Express 6.0 this driver may be further adapted to also reduce the PCIe link width when encountering thermal problems. This cooling driver is now ready for merging with the upcoming Linux 6.13 kernel.

The Linux NETFS code as a network file-system helper library is seeing patches to help enhance the read performance for solutions like CIFS as well as adding single blob object support.

In addition to Eric Biggers of Google being busy working on various crypto and hashing performance optimizations, the longtime Linux developer has also been working on "dm-inlinecrypt" for better leveraging inline block device encryption.

Vulkan 1.3.300 debuted on Friday with a handful of fixes and one new extension.

With Linux 6.13 there is going to be the initial kernel graphics driver support for Xe3 in integrated form to be found with next-gen Panther Lake processors. Merged today for Mesa 24.3 this quarter is the initial OpenGL and Vulkan driver enablement for Xe3 graphics.

Submitted today were a set of x86 platform driver fixes for merging ahead of the Linux 6.12-rc5 release due out on Sunday. For the most part mostly mundane fixes. But notable is an ASUS WMI fix to address the Core Ultra 200V "Lunar Lake" performance issue I've pointed out now in several articles.

Following the recent concerns over Bitwarden potentially moving further away from open-source given SDK changes that appeared, Bitwarden has now further addressed the situation to ease the community concerns.

KDE developers continue being very busy prepping more bug fixes for the Plasma 6.2.x series while continuing to work on new feature material for Plasma 6.3.

Linus Torvalds took to some coding himself today to fix a user-address masking non-canonical speculation issue. The Linux kernel needed an adaptation for this "Meltdown Lite" issue due to different behavior with the latest AMD Zen 5 processors.

A big batch of AMDGPU/AMDKFD kernel graphics and compute driver updates were mailed in for DRM-Next ahead of the upcoming Linux 6.13 kernel cycle.

While last week Qualcomm canceled their Snapdragon X Elite Dev Kit as a $899 USD mini PC built for Windows 11 on ARM and powered by the X1 Elite SoC, the upstreaming Linux support for it is continuing.

The newest drm-misc-next pull request was submitted today ahead of the Linux 6.13 merge window opening up in about one month's time.

Back in 2020~2021 there was lots of talk and work around FUTEX2 for improving the Linux kernel's Futex implementation for fast user mutex. The FUTEX2 work was driven in large part for helping Steam Play / Wine gaming by better matching the behavior of Microsoft Windows with its WaitForMultipleObjects handling. While the initial code landed back in Linux 5.16, there's been other remaining FUTEX2 features still desired like variable-sized futexes and NUMA-awareness. Finally now we're seeing that work revived.

Cloud Hypervisor 42.0 is out as the newest update of this open-source, Rust-based hypervisor that began as an Intel software project but is now developed by a number of different organizations from Arm to Microsoft.

For the upcoming Linux 6.13 cycle there is Xe2 Ultra Joiner and GPU temperature monitoring support along with initial Xe3 graphics support for integrated form with Panther Lake among the Intel graphics driver changes expected so far. Another batch of the Xe kernel graphics driver changes were submitted today for modern Intel graphics with this upcoming Linux 6.13 cycle.

When a number of Russian Linux developers were removed from their MAINTAINERS file in the Linux kernel, it was described as due to "compliance requirements" but vague in what those requirements entailed. Linus Torvalds then commented on the Russian Linux maintainers being de-listed and made it clear that they were done due to government compliance requirements / legal issues around Russia. Now today some additional light has been shed on those new Linux kernel "compliance requirements".

For the recently launched AMD EPYC 9005 series "Turin" processors there is good support out-of-the-box running on the likes of Linux 6.8 as found with Ubuntu 24.04 LTS. The one exception is if wanting to engage CPU power monitoring you need a RAPL/PowerCap patch that was just upstreamed in v6.12. But what about using a newer kernel for greater performance in light of all the upstream optimizations to the kernel in general? Here are some Linux 6.8 vs. 6.11 vs. 6.12 kernel benchmarks on a dual AMD EPYC 9755 server.

Intel today released the Intel Media Driver 2024Q3 release to provide updated Video Acceleration API (VA-API) support for Linux systems along with an updated oneVPL GPU Runtime.

Going back to 2016 we've known of NVIDIA beginning to use RISC-V to replace their Falcon micro-controller and other micro-controllers within their graphics processors to using this common open-source ISA. That use has continued to grow and an unofficial estimate now puts it at around one billion RISC-V cores shipping in 2024 NVIDIA chips.

Following the launch of the Raspberry Pi AI Kit back during the summer with up to 13 TOPS performance for AI inference, the Raspberry Pi AI HAT+ was announced today with up to 26 TOPS capabilities.

Following yesterday's news first featured on Phoronix of several Linux driver maintainers being de-listed from their maintainer positions within the mainline Linux kernel over their connections to Russia, Linus Torvalds has today commented on the matter.

More than a decade ago the DTrace tracing framework from Sun Microsystems was one of the long sought features from Solaris desired by Linux developers. Oracle ended up porting DTrace to Linux over the years but without too much fanfare outside of Oracle Linux especially since the advent of (e)BPF on Linux and other tracing/debugging open-source advancements. With the recent DTrace 2.0, it's now built atop the BPF engine and other upstream kernel tracing features on Linux. Gentoo Linux today announced their support for DTrace 2.0.

Google engineer Eric Biggers has worked on some very nice performance optimizations for the crypto code within the Linux kernel such as faster AES-GCM for Intel and AMD CPUs, much faster AES-XTS disk/file encryption with modern CPUs, and many other optimizations over the years. His latest work is on enhancing the CRC32C crypto performance for x86/x86_64 processors.

Intel engineers this morning sent out their newest pull request of "drm-intel-gt-next" material to queue in DRM-Next ahead of the upcoming Linux 6.13 merge window. There is a new feature enabled on newer Intel graphics hardware as well as some improvements for very old Intel integrated graphics.

It was just earlier this week that AMD posted Linux patches to switch EPYC over to using the AMD P-State driver rather than the long-used generic ACPI CPUFreq driver. This should lead to better power efficiency out-of-the-box and is a change being made just for EPYC 9005 "Turin" CPUs and future server processors. Already it's looking like this change will be introduced for the upcoming Linux 6.13 merge window.

It was just one and a half years ago that Cloudflare began rolling out OpenBMC on their massive array of servers to replace traditional proprietary Baseboard Management Controller (BMC) firmware stacks. Since the end of last year they've been talking up their successes using OpenBMC and now as we approach two years of their OpenBMC use within production, they continue singing the praise of this open-source, Linux-based BMC software stack.