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Linux Hardware Reviews & News
Updated: 20 min 58 sec ago

Systemd 246 Released With Many Changes

Fri, 07/31/2020 - 03:48
Systemd 246 is out today as the newest version of this dominant Linux init system and system/service manager. Systemd 246 has a lot of new functionality in time for making it into at least some of the autumn 2020 Linux distributions...

ACO Radeon Shader Back-End Adds Unit Testing Framework To Help Test Optimizations

Fri, 07/31/2020 - 03:17
The popular "ACO" shader compiler back-end that recently was promoted to the default shader compiler for Mesa's open-source Radeon Vulkan driver (RADV) has long been testing with shaders and traces while now a proper unit testing framework is being introduced for verifying optimizations are correctly handled, ensuring no regressions, etc...

System76 Talks Up Their Forthcoming Linux Keyboard

Fri, 07/31/2020 - 00:06
Following in the steps of their hand-crafted Thelio desktops manufactured in-house in Colorado, Linux PC vendor System76 is also working to not only manufacture their own laptops but also other components like their own keyboard...

OPNsense 20.7 Released For This BSD-Powered Open-Source Firewall

Thu, 07/30/2020 - 23:28
OPNsense 20.7 "Legendary Lion" released today as "a major operating system jump forward on a sustainable firewall experience" powered by HardenedBSD...

Intel Celeron G5900 + Pentium Gold G6400 Benchmarks - Low-Price Comet Lake CPUs

Thu, 07/30/2020 - 22:20
While we have looked a lot at how the Core i9 10900K performs at the top-end of Intel's Comet Lake line-up as well as with the likes of the i5-10600K and i3-10100, here is our first look at the very bottom of the stack with the new Celeron and Pentium processors. Benchmarked today are the Celeron G5900 as a ~$40 processor and the Pentium Gold G6400 that retails for around $60 and compared against other low-end Intel and AMD processors as well as older Intel Core i3 CPUs.

Intel ISPC Compiler Lands GPU Code Generation Support

Thu, 07/30/2020 - 20:46
Intel's open-source ISPC (the Intel SPMD Program Compiler) now has preliminary support for code generation targeting their GPUs...

AMD's ROCm AOMP Compiler 11.7-1 Brings OMPD Support, ROCgdb

Thu, 07/30/2020 - 17:09
The AMD ROCm developer tool engineers have released a new build of AOMP, their LLVM Clang compiler downstream that adds OpenMP support for Radeon GPU offloading until that support ultimately makes it back upstream into LLVM/Clang...

Intel Prepping Bus Lock Detection For Linux To Avoid This Performance Pitfall

Thu, 07/30/2020 - 14:56
Building off the recently mainlined Intel work on split lock detection, Intel engineers have now been extending that with bus lock detection support...

MSM Open-Source Driver Continues On Qualcomm Adreno 640/650 Series Bring-Up

Thu, 07/30/2020 - 12:09
The open-source MSM DRM driver developed by Google, Qualcomm's Code Aurora, and other parties as what started out as part of the "Freedreno" driver initiative is continuing to see better support for the newer Adreno 640 and 650 series...

Linux Quietly Makes It Harder To Guess Network RNG's Internal State

Thu, 07/30/2020 - 08:43
Merged today to mainline for Linux 5.8 Git and also marked for back-porting is a change to make it more difficult to guess the network random number generator's internal state. It looks like it could be for a yet-to-be-published vulnerability...

GCC Sees More Progress On Ability To Parallelize The Compilation Of Large Source Files

Thu, 07/30/2020 - 06:17
While GCC with GNU Make and other build systems can scale nicely in compiling many files concurrently, there has been an ongoing GCC effort to be able to parallelize more of the GNU Compiler Collection work when compiling large source files...

BootHole Blows Hole In GRUB2 Bootloader Security, Including UEFI SecureBoot

Thu, 07/30/2020 - 03:00
A major vulnerability in the GRUB2 boot-loader has been made public today that compromises its UEFI SecureBoot capabilities...

Samsung 870 QVO SSD Performance On Ubuntu Linux

Wed, 07/29/2020 - 23:30
The Samsung 870 QVO solid-state drives announced at the end of June have begun appearing at Internet retailers. The Samsung 870 QVO is the company's latest QLC NAND solid-state drive offering 1TB of storage for a little more than $120 USD all the way up to 4TB for $500 and an 8TB variant for $900. For those curious about the EXT4 file-system Linux performance out of the Samsung 870 QVO, here are some benchmarks.

Nano 5.0 Released As A Big Feature Update To This Easy-To-Use Terminal Text Editor

Wed, 07/29/2020 - 22:20
The popular GNU Nano terminal text editor has reached version 5.0...

Apache Software Foundation Estimates Its Code Value Increased ~$600M For FY2020

Wed, 07/29/2020 - 21:55
For fiscal year 2019 the Apache Software Foundation valued their codebase at around $20 billion USD. The open-source organization has now published their annual report for fiscal year 2020...

Google Sends Patches For AMD Zen / Zen 2 RAPL PowerCap Support

Wed, 07/29/2020 - 20:07
Building off the work sent out by Google engineers in recent months and merged for Linux 5.8 around RAPL support for AMD Zen / Zen 2 CPUs with supporting the "runtime average power limiting" counters on Linux similar to Intel's longstanding support, that work has continued now with Zen RAPL support in the PowerCap driver...

Intel Making It Easier To Flash Ethernet Device Firmware On Linux

Wed, 07/29/2020 - 18:41
For those using the Intel ICE Linux network driver that is used for the likes of the E800 series, it's now going to be easier updating the device firmware from Linux...

L1d Flushing Patches Revived After It Was Rejected From Linux 5.8 As "Beyond Stupid"

Wed, 07/29/2020 - 14:57
Worked out in recent months by an Amazon engineer was optional L1 data cache flushing on context switches to allow for greater computer security in an era of data sampling vulnerabilities and other data leakage issues via side channels. It was sent in for Linux 5.8 but Linus Torvalds characterized it as "beyond stupid" and not being convinced by it. Well, now it's been revised but isn't yet clear if it will appease Torvalds for mainline inclusion...

Linux 5.9 To Support New EF100 NIC Architecture Developed By Xilinx

Wed, 07/29/2020 - 12:06
One of the new network drivers now queued up for Linux 5.9 is the SFC EF100 driver for the EF100 NIC architecture...

LLVM 11.0-RC1 Now Available For Testing

Wed, 07/29/2020 - 08:21
While LLVM 11.0 was branched almost two weeks ago with many new/improved features for this open-source compiler stack, it has taken until today to get into shape for issuing the first release candidate...