Oracle® Linux 8

Release Notes for Oracle Linux 8.3

Copyright © 2020, 2021, Oracle and/or its affiliates.

F33984-08

November 2021

Abstract

Oracle® Linux 8: Release Notes for Oracle Linux 8.3 provides information about the new features and known issues in the Oracle Linux 8.3 release. This document may be updated after it is released.

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Table of Contents

• Preface
• 1 Supported Architectures
  • 1.1 Oracle Linux on Oracle Cloud Infrastructure
• 2 Shipped Kernels
• 3 New Features and Changes
  • 3.1 Installation
    • 3.1.1 Graphical Installer Improvements
    • 3.1.2 GUI Installation Changes
  • 3.2 Red Hat Compatible Kernel
  • 3.3 Unbreakable Enterprise Kernel Release 6
  • 3.4 Built-In Default Value for best DNF Configuration Option Set to True
  • 3.5 Database
  • 3.6 Desktop
  • 3.7 Dynamic Programming Languages, Web and Database Servers
  • 3.8 File Systems and Storage
  • 3.9 GCC Toolset 10
  • 3.10 High Availability and Clusters
  • 3.11 Infrastructure Services
  • 3.12 Networking
  • 3.13 Security
    • 3.13.1 SCAP and OpenSCAP Improvements
    • 3.13.2 SELinux Improvements
  • 3.14 Virtualization
  • 3.15 Web Console Option for Switching Access Modes
  • 3.16 Compatibility
• 4 Known Issues
  • 4.1 Installation and Upgrade Issues
    • 4.1.1 Installer automatically enables Ethernet over USB network interface during a PXE installation
    • 4.1.2 Interactive text-based installation wizard unable to complete when an alternate language is selected
    • 4.1.3 Changing installation source results in errors if alternative installation repository is set at boot
    • 4.1.4 Graphical installer fails to produce error when unacceptable Kdump value is entered
    • 4.1.5 Graphical installer does not display the reserved memory that is manually set for Kdump
    • 4.1.6 Scriptlet-related error for microcode_ctl may be encountered during an upgrade from Oracle Linux 8.2 to Oracle Linux 8.3
    • 4.1.7 Version of libpcap packages in BaseOS channel does not support RDMA
    • 4.1.8 rhnreg_ks register command may fail if python3-rhn-virtualization-host package is installed
    • 4.1.9 Missing beignet package results in dependency issue during upgrade from Oracle Linux 8.2 to Oracle Linux 8.3
    • 4.1.10 ULN registration wizard not displayed on first boot after an installation
    • 4.1.11 Graphics controller requirements for an installation on an Oracle VM VirtualBox guest
  • 4.2 Running dnf update glusterfs-* fails to upgrade previously installed packages to Oracle Linux 8.3
  • 4.3 Updating libss package might fail if libss-devel package is installed
  • 4.4 Options for configuring disk cache characteristics during VM creation unavailable in web console
  • 4.5 ACPI error messages displayed on Dell EMC PowerEdge Server during boot
  • 4.6 Oracle Linux 8 does not recognize SAS controllers on older Oracle Sun hardware
  • 4.7 File System Issues
    • 4.7.1 Btrfs file system not supported on RHCK
    • 4.7.2 OCFS2 file system not supported on RHCK
    • 4.7.3 ext4: Frequent or repeated system shutdowns can cause file system corruption
  • 4.8 Kernel Issues
    • 4.8.1 Default kernel for KVM guest snapshots might not be interchangeable
    • 4.8.2 KVM guests boot with "amd64_edac_mod: Unknown symbol" errors on AMD 64-bit platforms
    • 4.8.3 Output of modinfo command does not show Retpoline support
    • 4.8.4 Kdump might fail on some AMD hardware
    • 4.8.5 Limitations of the LVM dm-writecache caching method
  • 4.9 tracepath6 command does not correctly parse destination IPv6 address
  • 4.10 Running nohup prevents ssh command from executing
  • 4.11 Restarting firewalld service results in SSH connection timeout
  • 4.12 Error: "mcelog service does not support this processor"
  • 4.13 Power button defaults to ACPI Suspend mode
  • 4.14 Podman Issues
  • 4.15 TLS 1.3 not supported for NSS in FIPS Mode
  • 4.16 SAN boot may fail when using an Emulex 32GB FC Adapter
• 5 Installation and Availability
  • 5.1 Upgrading From Oracle Linux 7 to Oracle Linux 8 by Using the Leapp Utility
  • 5.2 Installing Oracle-Supported RDMA Packages
• 6 Release-Specific Information for Oracle Linux 8.3 (aarch64)
  • 6.1 System Requirements and Limitations (aarch64)
  • 6.2 Shipped Kernel (aarch64)
  • 6.3 New Features (aarch64)
  • 6.4 VNC Remote Console Available as Technology Preview on 64-bit Arm Platform
  • 6.5 Known Issues (aarch64)
    • 6.5.1 bcache error on UEK R6 during subsequent attempt to register cache device
  • 6.6 Installation and Availability (aarch64)
  • 6.7 Installing the Raspberry Pi™ Image (aarch64)
• A Package Changes from the Upstream Release
  • A.1 Changes to Binary Packages
    • A.1.1 Added Binary Packages for BaseOS by Oracle
    • A.1.2 Added Binary Packages for AppStream by Oracle
    • A.1.3 Modified BaseOS Binary Packages
    • A.1.4 Modified Binary Packages for CodeReady Linux Builder by Oracle
    • A.1.5 Modified AppStream Binary Packages
    • A.1.6 Removed BaseOS Binary Packages
    • A.1.7 Removed AppStream Binary Packages
  • A.2 Changes to Source Packages
    • A.2.1 Added Source Packages for BaseOS by Oracle
    • A.2.2 Added Source Packages for AppStream by Oracle
    • A.2.3 Modified BaseOS Source Packages
    • A.2.4 Modified AppStream Source Packages
    • A.2.5 Removed BaseOS Source Packages
    • A.2.6 Removed AppStream Source Packages

Copyright © 2020, 2021, Oracle and/or its affiliates.