The software described in this documentation is either in Extended Support or Sustaining Support. See for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

Chapter 2 Fixed and Known Issues

Table of Contents

2.1 Fixed Issues
2.1.1 Ksplice Registration During Firstboot
2.1.2 DTrace vtimestamp Function
2.1.3 Random Number Generator Operation in FIPS Mode
2.1.4 Support for crashkernel=auto with Kdump
2.1.5 udevd Message
2.1.6 Using Broadcom NetXtreme II 10Gbps Network Adapter in a Bridge
2.2 Known Issues
2.2.1 Updating Oracle Linux Fails if the kernel-uek Package Cannot Be Updated
2.2.2 avahi-daemon Fails to Start with UEK R2
2.2.3 Booting UEK R2 as a PVHVM Guest
2.2.4 Btrfs File System Issues
2.2.5 Console Appears to Hang when Booting
2.2.6 Default I/O Scheduler
2.2.7 Default NFS Mount Options
2.2.8 Default Reverse Path Filtering Mode Affects Certain Oracle Products
2.2.9 dm-cache and dm-era
2.2.10 DTrace Issues
2.2.11 Enabling FIPS Mode
2.2.12 Error message Following First Reboot on an HP ProLiant Server
2.2.13 ext4 Inline Data
2.2.14 gcc-libraries Package
2.2.15 Incorrect Package Count
2.2.16 Intel TCO Watchdog Timer Messages
2.2.17 Journal Corruption in Virtualized Systems
2.2.18 Kdump Service Configuration
2.2.19 kernel-uek-headers Package
2.2.20 Linux Containers
2.2.21 Mellanox ConnectX Drivers
2.2.22 mlx4_core Conflicts Between the mlnx_en and ofa Packages
2.2.23 Oracle Clusterware Fails to Start on ASM Storage with SELinux Enabled
2.2.24 Oracle RDBMS Server 11gR2 Preinstall Settings Not Visible After Installation
2.2.25 Oracle VM 3.0 Guests Crash During Oracle Database Installation
2.2.26 Paravirtualized Drivers in a Hardware Virtualized Guest
2.2.27 Post-Installation Anaconda Errors
2.2.28 RDMA Does Not Load the mlx4_ib Module
2.2.29 Receive Packet Steering Errors
2.2.30 sched_yield() Settings for the Completely Fair Scheduler
2.2.31 Setting the Serial Console in a Hardware Virtualized Guest
2.2.32 Shared Receive Queue Panic
2.2.33 Support for crashkernel=auto with Xen
2.2.34 Support for Large Memory 32-bit Systems
2.2.35 Unable to Register Oracle Linux Guest with ULN
2.2.36 Unable to Register with ULN After First Reboot
2.2.37 Upgrading rhn-client-tools
2.2.38 XFS File System Corruption
2.2.39 XFS File System Panic
2.2.40 xguest Package Not Installable with SELinux Disabled

This chapter describes the fixed and known issues for Oracle Linux 6 Update 6.


Run the yum update command regularly to ensure that the latest bug fixes and security errata are installed on your system.

For details of the fixed and known issues with the Unbreakable Enterprise Kernel Release 3, see Unbreakable Enterprise Kernel: Release Notes for Unbreakable Enterprise Kernel Release 3 Quarterly Update 3.

For details of the fixed and known issues with the Unbreakable Enterprise Kernel Release 2 Quarterly Update 5, see the Oracle Linux Unbreakable Enterprise Kernel Release 2 Quarterly Update 5 Release Notes.