Linux Kernel 6.13 RC3 Released!

Linux Kernel 6.13-rc3 release candidate: Stability and improvements in parallel

Linus Torvalds released the third version candidate (RC3) of the Linux kernel 6.13 on December 15, 2024. 6.13-rc3 contains various updates, fixes and improvements to multiple subsystems. This article will provide a detailed overview of key changes and updates in this version candidate.

Catalog

- Linux 6.13-rc3 Overview

Key Highlights of Version

• XFS File System Update
  • Driver and hardware updates
  • Bluetooth and WiFi improvements
  • Security and BPF updates
  • Other fixes and improvements
  Try Linux Kernel 6.13 RC3

Linux 6.13-rc3 Overview

Linus Torvalds pointed out that this version of the candidate is going well, the number of submissions is normal, and the difference size increases slightly.

The increase in the size of the difference is mainly due to the revocation of the

Unicode changes that affect the generated data file.

In the Linux kernel 6.13-rc3 release email, Linus wrote:

[…]In fact, the difference is a bit large, but this is almost entirely due to the undoing of a Unicode change that causes the resulting data file to differ by a large difference. […]

Nevertheless, the overall development process is still stable, with most changes focused on driver updates and bug fixes.

Key Highlights of Version

XFS File System Update

This release makes a significant update to the XFS file system. These updates solve various issues including:

Fixed out-of-bounds error in use of end_daddr in fsmap.

Make sure the quota directory inode remains loaded.

• Separate healthy clear masks during repair.
• Fix empty bno_hint processing in xfs_rtallocate_rtg.
• Regist the btree key correctly when splitting the inode root block.
Driver and hardware updates
This version contains numerous updates to various drivers, covering sound, GPIO, network and other fields. Some notable changes include:

Sound Driver

: Enhancements to USB sound drivers, including support for DSD output and fixes for original DSD warnings.

• GPIO Driver: Fixed the Graniterapids GPIO driver, addressing crashes, incorrect BAR allocations, and other issues.
• Network Drivers: Updates to drivers such as lan969x, sparx5 and mlx5, focusing on performance improvements, circular dependency repairs, and error handling.
• Bluetooth and WiFi improvements
Bluetooth and WiFi subsystems have received some updates, including:

• Bluetooth: Fixed SCO (Sync Connection Direction) support, recursive locking issues, and transparent voice settings.
• WiFi: Fixed queue stagnation, site NSS feature initialization, and link ID management issues in cfg80211.

Security and BPF updates

This version contains some security-related fixes and improvements, especially in the BPF (Berkeley Packet Filter) subsystem:

• BPF: Fixed potential error return, packet data changes, and empty dereference issues.
• Security: Update the futex system to fix user access on PowerPC.

Other fixes and improvements

Other notable changes in this version include:

• ACPI and EFI: Fixed the issue of initializing machine environments in memory resource type joint access and perf tool.
• Block Layer: Updated the block layer, solving problems such as area write plug-in BIO work, potential deadlocks and error recovery.
• Performance Monitoring: Enhanced perf tool, including fixing build ID event logging and precision_ip fallback logic.

Try Linux Kernel 6.13 RC3

Linux Kernel 6.13-rc3 version is a comprehensive update that solves various issues and introduces improvements in various subsystems. As the development cycle progresses, you can expect a more powerful and more efficient kernel.

Please users and developers download Linux kernel 6.13-rc3 version from the Kernel.org website or Linus Torvalds' git code base for trial and report any issues.

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