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Linux Hardware Reviews, Performance Benchmarks & Open-Source / Free Software News
Updated: 29 min 17 sec ago

Linux Fixes Botched SRSO Mitigation For AMD Zen 3 / Zen 4

Sat, 03/30/2024 - 18:54
Disclosed last August was the AMD Inception vulnerability also known as SRSO for the Speculative Return Stack Overflow. The kernel-side patches for the AMD SRSO mitigation were quickly merged. Following that were more clean-ups and fixes to the SRSO mitigation code. It's been a quiet few months since while merged on Friday was fixing some of the mitigation code due to being ineffective...

Asahi AGX Gallium3D Driver Sees Big Sync For Mesa 24.1 To Improve Apple Silicon Graphics

Sat, 03/30/2024 - 18:45
Lead Asahi AGX Gallium3D driver developer Alyssa Rosenzweig has carried out a big sync to upstream Mesa 24.1 for this open-source Apple Silicon OpenGL graphics driver...

KDE Plasma 6 Refinements Continue, Fixes 3+ Important Crashes This Week

Sat, 03/30/2024 - 18:37
For the weekly "This Week In KDE" development summary, developer Nate Graham highlighted the opt-in DrKonqi crash reporting wizard. Thanks in part to that opt-in automatic crash reporting, details were gathered for fixing at least three important crashes within Plasma 6 this week...

GitHub Disables The XZ Repository Following Today's Malicious Disclosure

Sat, 03/30/2024 - 09:53
Today's disclosure of XZ upstream release packages containing malicious code to compromise remote SSH access has certainly been an Easter weekend surprise... The situation only looks more bleak over time with how the upstream project was compromised while now the latest twist is GitHub disabling the XZ repository in its entirety...

AMD Releases Orochi 2.0 With More CUDA/HIP Functions Implemented For Better Portability

Sat, 03/30/2024 - 02:02
AMD GPUOpen's Orochi project as a reminder is the effort for allowing dynamic runtime switching between the Radeon HIP and NVIDIA CUDA APIs to allow better cross-GPU portability. Today marks the availability of Orochi 2.0 for enhancing this API to target NVIDIA CUDA and AMD HIP hardware...

XZ Struck By Malicious Code That Could Allow Unauthorized Remote System Access

Sat, 03/30/2024 - 00:28
Red Hat today issued an "urgent security alert" for Fedora 41 and Fedora Rawhide users over XZ. Yes, the XZ tools and libraries for this compression format. Some malicious code was added to XZ 5.6.0/5.6.1 that could allow unauthorized remote system access...

Linux 6.9 Drives AMD 4th Gen EPYC Performance Even Higher For Some Workloads

Fri, 03/29/2024 - 22:18
Now that the Linux 6.9 merge window is past I've begun testing out this in-development kernel on more hardware platforms in the lab. While some performance boosts like Intel Core Ultra "Meteor Lake" running faster on Linux 6.9 was to be expected given EPP tuning in the new kernel specific to those SoCs, one of the unexpected delights has been seeing AMD 4th Gen EPYC performance with some nice performance gains over Linux 6.8 stable.

Fedora 41 Will Try Again To Switch To DNF5 Package Manager

Fri, 03/29/2024 - 20:47
Fedora 39 had hoped to use the DNF5 package manager by default as the next iteration of this package management solution for RPM-based distributions. But DNF5 wasn't ready and then delayed to Fedora 41 -- skipping over the Fedora 40 series due to the RHEL 10 branching from it and not wanting the very new DNF5 to be part of that merge. Now the change proposal has been re-filed for introducing DNF5 by default in Fedora 41...

GNOME's Mutter Lands DRM Sync Obj v1 Support For Explicit Sync On Wayland

Fri, 03/29/2024 - 18:53
Merged on Thursday to GNOME's Mutter compositor is support for the linux-drm-syncobj-v1 Wayland protocol that is used to handle the global migration to explicit synchronization...

Intel Releases Its March 2024 Open-Source Linux GPU Compute Stack Update

Fri, 03/29/2024 - 18:43
Intel is ending out the month and quarter with the latest update to its open-source Compute Runtime and Intel Graphics Compiler (IGC) code that enables OpenCL and Level Zero support on Linux systems and is also used by their Windows driver too...

Updated Windows NT Sync Driver Posted For The Linux Kernel

Fri, 03/29/2024 - 18:22
CodeWeavers' Elizabeth Figura has been working on the NTSYNC driver to implement Windows NT synchronization primitives for the Linux kernel in order to help the performance of various Windows games running on Linux by the likes of Wine / Valve's Proton (Steam Play). The third iteration of that driver was posted overnight as it seeks to go into the mainline Linux kernel...

Intel "Family 6" CPU Era Coming To An End Soon: Code Suggests Cooper Forest & Adams Lake

Fri, 03/29/2024 - 01:40
Since the mid-90's with the P6 micro-architecture for the Pentium Pro as the sixth-generation x86 microarchitecture, Intel has relied on the "Family 6" CPU ID. From there Intel has just revved the Model number within Family 6 for each new microarchitecture/core. For example, Meteor Lake is Family 6 Model 170 and Emerald Rapids is Family 6 Model 207. This CPU ID identification is used within the Linux kernel and other operating systems for identifying CPU generations for correct handling, etc. But Intel Linux engineers today disclosed that Family 6 is coming to an end "soon-ish"...

Linux Foundation Launches Valkey As A Redis Fork

Fri, 03/29/2024 - 01:30
Given the recent change by Redis to adopt dual source-available licensing for all their releases moving forward (Redis Source Available License v2 and Server Side Public License v1), the Linux Foundation announced today their fork of Redis...

GNU Coreutils 9.5 Can Yield 10~20% Throughput Boost For cp, mv & cat Commands

Fri, 03/29/2024 - 00:35
While the uutils Rust-written Coreutils effort has been chugging along, the upstream GNU Coreutils effort is showing no signs of slowing down. Out today is GNU Coreutils 9.5 with yet more feature work and bug fixes including a security fix for a chmod issue that's been around since the beginning...

Intel Core Ultra "Meteor Lake" Yields Faster Performance With Linux 6.9

Thu, 03/28/2024 - 23:10
While Intel Core Ultra "Meteor Lake" has been working out well under Linux already -- especially with regards to the enticing integrated Arc Graphics -- with the in-development Linux 6.9 kernel it's looking even better for the CPU performance. Here are some initial benchmarks looking at the Intel Core Ultra 7 155H Meteor Lake performance with Linux 6.8 vs. 6.9 Git.

Arm China Looking At Upstreaming Their "Zhouyi" NPU Driver Into The Linux Kernel

Thu, 03/28/2024 - 22:34
Arm China is looking at upstreaming their "Zhouyi" NPU driver into the Linux kernel via the recently-created accelerator "accel" subsystem. The Arm China Neural Processing Unit (NPU) driver in its current form has both an open-source kernel and user-space stack...

Flatpak 1.15.7 Will Now Automatically Remove Obsolete Driver Versions

Thu, 03/28/2024 - 21:54
Simon McVittie issued the Flatpak 1.15.7 pre-release on Wednesday with a few notable changes for this widely-used open-source app sandboxing and distribution framework...

More Efficient VirtIO DRM Driver To Import Scanout Buffers From Other Devices

Thu, 03/28/2024 - 18:47
Patches posted today by an Intel engineer allow for importing scanout buffers from other devices with the VirtIO DRM driver that is used in the virtualization space. The importing of scanout buffers from other devices/drivers can allow for more efficient use by avoiding excess copies...

EROFS Drops "Experimental" Warning For FSDAX With Linux 6.9

Thu, 03/28/2024 - 18:36
Adding to the Linux 6.9 features is a minor post merge window change: the read-only EROFS file-system is no longer treading its FSDAX support as experimental...

Reverse-Engineered Rockchip NPU Driver Hitting Same Performance As Proprietary Driver

Thu, 03/28/2024 - 18:16
Open-source developer Tomeu Vizoso recently began the effort of creating an open-source, reverse-engineered driver for the Rockchip NPU found in some of the latest Rockchip SoCs. After succeeding at open-source NPU driver support for the VeriSilicon NPU IP, Vizoso took up the challenge of working on Rockchip NPU support. With his open-source user-space driver he's already got his first model running. Not only is it running but it's doing so at similar performance to the proprietary driver...

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