Oracle® Linux 7

Release Notes for Oracle Linux 7.9

Copyright © 2021,2022, Oracle and/or its affiliates.

F32166-09

August 2022

Abstract

Oracle® Linux 7: Release Notes for Oracle Linux 7.9 provides a summary of the new features and known issues in Oracle Linux 7.9. This document may be updated after it is released.

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Table of Contents

• Preface
• 1 System Requirements and Limitations
  • 1.1 File System, Storage, and Address Space Limitations
• 2 Supported Architectures
  • 2.1 Oracle Linux on Oracle Cloud Infrastructure
• 3 Shipped Kernels
• 4 New Features and Changes
  • 4.1 Red Hat Compatible Kernel
    • 4.1.1 BTRFS Deprecated in RHCK
    • 4.1.2 EDAC Driver for Intel ICX Systems Added
    • 4.1.3 Mellanox ConnectX-6 Dx Network Adapter Support Added
  • 4.2 DIF/DIX (T10 P1) Support for Specified Hardware
  • 4.3 FreeRDP Updated to Version 2.1.1
  • 4.4 Pacemaker Updated to Version 1.1.23
  • 4.5 Metrics for per-thread Available for Historical Analysis
  • 4.6 SCAP Security Guide Now Correctly Disables Services
  • 4.7 Technology Preview
  • 4.8 Compatibility
• 5 Known Issues
  • 5.1 Installation and Upgrade Issues
    • 5.1.1 Installer kernel fails to boot on systems with a multipath-enabled NVMe controller
    • 5.1.2 Upgrade from ULN fails if the openscap-containers package is installed
    • 5.1.3 Graphical installer allows users to edit kickstart settings
    • 5.1.4 Graphical installer fails to produce error when unacceptable Kdump value is entered
    • 5.1.5 Graphical installer does not display the reserved memory that is manually set for Kdump
    • 5.1.6 FCoE boot fails on HPE servers with HPE FlexFabric adapters
    • 5.1.7 Information about installing on an iSCSI disk
    • 5.1.8 Information about installing on an HPE 3PAR TPVV
    • 5.1.9 Installation fails on Oracle Flash Accelerator F640 NVMe device
    • 5.1.10 Upgrade fails if open files limit is too low and rpm-plugin-systemd-inhibit is installed
    • 5.1.11 32-bit RDMA packages are installed when upgrading a system that has rdma-core installed
  • 5.2 Package Conflict: PackageKit.i686 and PackageKit.x86_64
  • 5.3 Uninstalling libpcap can result in the removal of a large number of libvirt packages
  • 5.4 Database installation and operation fails if RemoveIPC=yes is configured for systemd
  • 5.5 Automatic Bug Reporting Tool
  • 5.6 File Systems Issues
    • 5.6.1 XFS: No support for reflink feature in RHCK
    • 5.6.2 XFS: No support for real-time devices in RHCK
  • 5.7 ACPI error messages displayed on Dell EMC PowerEdge Server during boot
  • 5.8 grubby fatal error during kernel upgrade when /boot is on a BTRFS subvolume
  • 5.9 Hebrew LaTeX fonts
  • 5.10 InfiniBand CA port generates warnings if disabled
  • 5.11 Kdump fails to start when lockdown is enabled
  • 5.12 KVM Issues
    • 5.12.1 Snapshots of KVM guests that use UEFI fail and are unsupported
    • 5.12.2 KVM guests with LSI MegaRAID SAS ISCSI controller limited to 7 virtual disks
  • 5.13 Unable to create Oracle Linux 7 LXC containers on NFS
  • 5.14 Support for Oracle Linux 7 guests on Oracle VM and Xen
  • 5.15 Network Issues
    • 5.15.1 Device name change for Broadcom BCM573xx network driver (bnxt_en) may result in network configuration issues
    • 5.15.2 Geneve network driver support not available in UEK releases earlier than UEK R5
    • 5.15.3 Network connection icon reports incorrect state for interfaces
  • 5.16 Power button defaults to ACPI Suspend mode
  • 5.17 sosreport command issues warnings
• 6 Installation and Availability
  • 6.1 General Upgrade Information
  • 6.2 Upgrading Oracle-Supported OFED or RDMA Packages
• 7 Release-Specific Information for Oracle Linux 7.9 (aarch64)
  • 7.1 System Requirements and Limitations (aarch64)
    • 7.1.1 File System, Storage, and Address Space Limitations
  • 7.2 Shipped Kernel (aarch64)
  • 7.3 New Features (aarch64)
  • 7.4 Known Issues (aarch64)
    • 7.4.1 Support Limited to Text-Mode Environments and Server Software
    • 7.4.2 Installation Issues (aarch64)
    • 7.4.3 btrfs-convert operation results in a file system that cannot be mounted
    • 7.4.4 Manual execution of shim first-stage boot loader can fail in the UEFI shell
    • 7.4.5 Kdump tools fail to create a vmcore-dmesg.txt on systems that have multiple CPUs
    • 7.4.6 Segmentation fault when running bluedevil-wizard
    • 7.4.7 dsktune command fails with an unsupported error message
  • 7.5 Installation and Availability (aarch64)
    • 7.5.1 Installing From the ISO Image
• A Package Changes from the Upstream Release
  • A.1 Changes to Binary Packages
    • A.1.1 Added Binary Packages for x86_64 by Oracle
    • A.1.2 Modified Binary Packages for x86_64
    • A.1.3 Modified Optional Binary Packages for x86_64
    • A.1.4 Removed Binary Packages for x86_64
    • A.1.5 Added Binary Packages by Oracle for aarch64
    • A.1.6 Modified Binary Packages
    • A.1.7 Modified Optional Binary Packages for aarch64
    • A.1.8 Removed Binary Packages for aarch64
  • A.2 Changes to Source Packages
    • A.2.1 Added Source Packages for x86_64 by Oracle
    • A.2.2 Modified Source Packages for x86_64
    • A.2.3 Modified Optional Source Packages for x86_64
    • A.2.4 Removed Source Packages for x86_64
    • A.2.5 Added Source Packages for aarch64 by Oracle
    • A.2.6 Modified Source Packages for aarch64
    • A.2.7 Modified Optional Source Packages for aarch64
    • A.2.8 Removed Source Packages for aarch64

Copyright © 2021,2022, Oracle and/or its affiliates.