Linux kernel disables Samsung 860/870 SSD TRIM and NCQ
As early as 2019, users reported that there would be problems when using Samsung 860 Evo SATA SSD on Linux systems, but due to the small number of reports, this problem did not attract...
Category: Linux
Linux 5.15 will enable “-Werror” for all kernel builds by default
Linus Torvalds submitted and incorporated a change to Linux 5.15 to enable the “-Werror” compiler flag for all kernel builds by default. The “-Werror” compiler flag treats all warnings as build errors, thereby forcing...
Linux 5.15 will use the new NTFS file system driver
Paragon Software’s NTFS3 kernel driver has been submitted to the Linux-next branch, and Linux 5.15 may use this new driver. As early as last year, Paragon Software announced that it wanted to merge the...
Linux 5.15 solves the problem of slow startup of large IBM servers
In the Linux 5.15 merge window, a set of Kernfs performance improvement patches are merged through the driver core PR, which can solve the problem of slow booting of the Linux kernel for large...
Linux may provide independent video memory for DG2 graphics cards
The mailing list shows that Intel has submitted a patch to enable device memory support for its DG2 graphics card. The DG2 graphics card is now code-named “Alchemist“, which is the first generation product...
The Raspberry Pi display driver for Linux may support 4K@60Hz
The mailing list shows that the DRM/VC4 driver of the Raspberry Pi will support 4K@60Hz display output. For some time, Maxime Ripard has been working on improving the DRM/VC4 driver so that it can...
Ubuntu 21.10 will use cgroups v2 by default
According to the mailing list, Ubuntu 21.10 plans to release its systemd package using a unified cgroup hierarchy (cgroups v2) by default. Cgroups (control groups) is a mechanism provided by the Linux kernel that...
Fedora 35 may support restarting user services after package upgrades
According to the proposal, Fedora 35 may support restarting user services as part of the rpm upgrade. Generally speaking, a running Fedora system has a main systemd instance (PID 1), some running system services,...
Linux Kernel will support AV1 decoding
At present, the number of hardware platforms that provide accelerated AV1 encoding on the market is still very limited, but as more hardware supporting this royalty-free video codec encoding/decoding comes on the market, the...
Intel proposes Linux to add driver filtering function
According to the mailing list, Intel engineers proposed to add a filter to Linux drivers so that they can set a list of drivers that are allowed or denied to be loaded by the...
Microsoft released its own Linux distribution CBL-Mariner
Recently, Microsoft quietly put its Linux distribution CBL-Mariner on GitHub, which is a product developed by the Windows Subsystem Linux 2 team, mainly used for servers rather than desktops, to build its cloud infrastructure...
Researcher publishes PoC for CVE-2021-22555 Linux Netfilter Local Privilege Escalation Flaw
On July 14, 2021, security researcher @theflow published an analysis report on the CVE-2021-22555 Linux Netfilter privilege escalation vulnerability. This vulnerability was used in kCTF to attack the kubernetes pod container to achieve virtualization...
Linux has canceled support for IDE drivers in the 5.14 kernel version
For younger computer players, it is estimated that there is not much idea about the IDE interface. Parallel ATA hard drives have also disappeared in the mainstream market for a long time. The PATA...
Linux 5.14 will support the creation of secret memory areas
Following Linux 5.13, Linux 5.14 will also support the creation of secret memory areas. This function is implemented by memfd_secret(). memfd_secret() is a specialized system call, not an extension of memfd_create(), its purpose is...
The patch to add Rust support to the Linux kernel is ready
On July 4, a revised set of patches was submitted to the Linux kernel mailing list. The patch provided support for using Rust as an auxiliary programming language in the Linux kernel. With Rust,...
NVIDIA proposes to introduce a Linux hardware timestamping engine
According to the mailing list, NVIDIA engineers put forward a proposal to introduce a hardware timestamping engine (HTE) subsystem in the Linux kernel. Some devices have a built-in hardware timestamping engine, which can monitor...
