Table of Contents

• Title and Copyright Information
• Preface
  • Conventions
  • Documentation Accessibility
  • Access to Oracle Support for Accessibility
  • Diversity and Inclusion
• 1 New Features and Changes
  • System Requirements and Limits
    • File System, Storage, and Address Space Limitations
  • Shipped Kernels
  • Support Tools
    • Kdump Configuration During Installation
    • makedumpfile Support for Large Memory Images
    • Kpatch removed
  • Load Balancing and High Availability
  • MySQL Community and MariaDB Packages
  • Spacewalk Client Registration
  • UEFI Secure Boot Support
  • Technology Preview
  • Compatibility
• 2 Fixed Issues
  • Upgrade issues fixed
  • Docker Engine and SELinux compatibility
  • Enabling and Disabling NFS
  • systemctl Service Actions Fixed For Some Services
• 3 Known Issues
  • Installation Issues
    • Configuring Encryption and /boot During Installation
    • Network Installation
    • Installation on an iSCSI Disk
    • Installation on an HP 3PAR TPVV
    • Oracle Linux 7 update 3 systems running UEK R3 are unable to boot if the /root partition is formatted using btrfs
  • Upgrade Issues
    • cgconfig and cgred Packages Must Be Restored Separately
    • Postupgrade Fails if Web Proxy Is Required
    • Using an Old Version of yum Causes Dependency Errors
  • Package Conflicts
    • dovecot-devel.i686 and dovecot-devel.x86_64
    • ipa-server-dns.x86_64 and freeipa-server-dns
    • ipa-admintools.x86_64 and freeipa-admintools
    • rear.x86_64 and rear.noarch
    • PackageKit.i686 and PackageKit.x86_64
    • sssd-common.i686 and sssd-common.x86_64
  • File System Related Bugs
    • xfs: Kernel panic in the multi-block buffer logging code
    • btrfs: Kernel warning after snapshot is created with incorrect qgroup
    • btrfs: Unable to replay log after snapshot delete and parent directory fsync
    • btrfs: Empty symbolic link after fsync of parent directory
    • btrfs: Incorrect directory entries after fsync log replay
    • btrfs: File loss on log replay after renaming a file and fsync
    • btrfs: qgroup Reserved space leaks
    • btrfs: Incorrect exclusive reference count after cloning file between subvolumes
    • btrfs: Kernel oops when unmounting during a quota rescan or disable
    • btrfs: Kernel oops when removing shared extents using qgroup accounting
    • ext4: System hang when processing corrupted orphaned inode list
    • xfs, ext4: IO error during DIO/AIO write results in disk content corruption
  • Automatic Bug Reporting Tool
  • Auto-completion of Commands in the bash Shell
  • Crash Kernel auto Setting
  • firewalld Does Not Currently Support IPv6 NAT Under UEK R3
  • grubby Sets Incorrect Saved Entry
  • grubby Fatal Error Upgrading Kernel When /boot Is On a btrfs Subvolume
  • Hebrew LaTeX Fonts
  • InfiniBand Issues
    • Configuring Internet Protocol over InfiniBand (IPoIB)
    • Changing the IPoIB mode of an InfiniBand Interface
    • Disabling an InfiniBand CA Port Generates Warnings
  • Intel QuickAssist Acceleration Technology
  • Database Installation and Operation Fails if RemoveIPC=yes Is Configured for systemd
  • MariaDB Installation
  • Oracle ASM Fails to Initialize with SELinux in Enforcing Mode
  • multipath Messages Relating to zram on UEK R3
  • Unable to create Oracle Linux 7 LXC containers on NFS
  • Oracle Linux 7 Guests on Oracle VM and Xen
  • Hyper-V related services fail to start on Oracle Linux 7 update 3 guest with UEK R4 kernel under Windows Hyper-V Server
  • Per-CPU Allocation Fails when Loading kvm_intel Module with UEK R3
  • systemd Fails to Load the autofs4 and ipv6 Modules with UEK R3
  • MACsec/IEEE 802.1AE network driver support not available in UEK
  • Geneve network driver support not available in UEK
  • Co-existing IPv4 and IPv6 VxLAN Workaround for UEK R4u2
  • net_prio Control Group
  • Network Manager is Unable to Add IPv6 Addresses to Interfaces on UEK R3
  • Network Connection Icon Reports Incorrect State for Interfaces
  • Power Button Defaults to ACPI Suspend
• 4 Installation and Availability
  • Upgrading from Oracle Linux 6
  • Installing or Upgrading the Oracle-Supported OFED Packages
    • Installation or Upgrade of Oracle-Supported OFED Packages for UEK R4
    • Installation or Upgrade of Oracle-Supported OFED Packages for UEK R3
      • Installing Oracle Linux 7 Update 3 from ULN if the Oracle-Supported OFED Packages Are Already Installed
      • Installing Oracle Linux 7 Update 3 from Oracle Linux Yum Server if the Oracle-Supported OFED Packages Are Already Installed
      • Installing the Oracle-Supported OFED Packages from ULN if the Default OFED Packages Are Not Already Installed
      • Installing the Oracle-Supported OFED Packages from Oracle Linux Yum Server if the Default OFED Packages Are Not Already Installed
      • Installing the Oracle-Supported OFED Packages from ULN if the Default OFED Packages Are Already Present
      • Installing the Oracle-Supported OFED packages from Oracle Linux Yum Server if the Default OFED Packages Are Already Present
• 5 Package Changes from the Upstream Release
  • Removed Packages
  • Modified Packages
  • New Packages
  • Modified Optional Packages
  • Packages Added by Oracle
• 6 Removed Modules