Unbreakable Enterprise Kernel

Release Notes for Unbreakable Enterprise Kernel Release 5 Update 2

Oracle Legal Notices
Oracle Documentation License

F16744-03

November 2019


Table of Contents

Preface
1 New Features and Changes
1.1 Notable Features and Changes
1.1.1 64-bit Arm (aarch64) architecture
1.1.2 Core Kernel Functionality
1.1.3 DTrace
1.1.4 File Systems
1.1.5 RDMA
1.1.6 Storage
1.1.7 Virtualization
1.2 Driver Updates
1.2.1 Notable Driver Features
1.3 Compatibility
1.4 Certification of UEK R5 for Oracle products
2 Security Fixes for CVEs
2.1 List of CVEs fixed in this release
3 Known Issues
3.1 Unusable or Unavailable Features for Arm
3.2 [aarch64] IOMMU issues
3.3 [aarch64] Kdump issues
3.4 [aarch64] CPU hotplug functionality not functional in KVM
3.5 File System Issues
3.5.1 ext4: Frequent repeated system shutdowns can cause file system corruption
3.5.2 xfs: xfs_repair fails to repair the corrupted link counts
3.6 RDMA Issues
3.7 Docker Issues
3.8 LXC Issues
3.9 NVMe device names change across reboots
3.10 NVMe device hotplug unplug procedure change
3.11 KVM guest crashes when using memory hotplug operation to shrink available memory
3.12 Kernel warning when allocating memory for Avago MegaRAID SAS 9460-16i controller
4 Installation and Availability
4.1 Installation Overview
4.2 Subscribing to ULN Channels
4.3 Enabling Access to Oracle Linux Yum Server Repositories
4.4 Upgrading Your System
4.5 Installing Oracle-Supported RDMA Packages
A Driver Modules in Unbreakable Enterprise Kernel Release 5 Update 2 (x86_64)
A.1 acpi Drivers in UEK R5U2 (x86_64)
A.2 ata Drivers in UEK R5U2 (x86_64)
A.3 atm Drivers in UEK R5U2 (x86_64)
A.4 auxdisplay Drivers in UEK R5U2 (x86_64)
A.5 bcma Drivers in UEK R5U2 (x86_64)
A.6 block Drivers in UEK R5U2 (x86_64)
A.7 bluetooth Drivers in UEK R5U2 (x86_64)
A.8 cdrom Drivers in UEK R5U2 (x86_64)
A.9 char Drivers in UEK R5U2 (x86_64)
A.10 cpufreq Drivers in UEK R5U2 (x86_64)
A.11 crypto Drivers in UEK R5U2 (x86_64)
A.12 dax Drivers in UEK R5U2 (x86_64)
A.13 dca Drivers in UEK R5U2 (x86_64)
A.14 devfreq Drivers in UEK R5U2 (x86_64)
A.15 dma Drivers in UEK R5U2 (x86_64)
A.16 edac Drivers in UEK R5U2 (x86_64)
A.17 firewire Drivers in UEK R5U2 (x86_64)
A.18 firmware Drivers in UEK R5U2 (x86_64)
A.19 gpu Drivers in UEK R5U2 (x86_64)
A.20 hid Drivers in UEK R5U2 (x86_64)
A.21 hv Drivers in UEK R5U2 (x86_64)
A.22 hwmon Drivers in UEK R5U2 (x86_64)
A.23 i2c Drivers in UEK R5U2 (x86_64)
A.24 iio Drivers in UEK R5U2 (x86_64)
A.25 infiniband Drivers in UEK R5U2 (x86_64)
A.26 input Drivers in UEK R5U2 (x86_64)
A.27 iommu Drivers in UEK R5U2 (x86_64)
A.28 isdn Drivers in UEK R5U2 (x86_64)
A.29 leds Drivers in UEK R5U2 (x86_64)
A.30 md Drivers in UEK R5U2 (x86_64)
A.31 media Drivers in UEK R5U2 (x86_64)
A.32 memstick Drivers in UEK R5U2 (x86_64)
A.33 message Drivers in UEK R5U2 (x86_64)
A.34 mfd Drivers in UEK R5U2 (x86_64)
A.35 misc Drivers in UEK R5U2 (x86_64)
A.36 mmc Drivers in UEK R5U2 (x86_64)
A.37 mtd Drivers in UEK R5U2 (x86_64)
A.38 net Drivers in UEK R5U2 (x86_64)
A.39 ntb Drivers in UEK R5U2 (x86_64)
A.40 nvdimm Drivers in UEK R5U2 (x86_64)
A.41 nvme Drivers in UEK R5U2 (x86_64)
A.42 parport Drivers in UEK R5U2 (x86_64)
A.43 pci Drivers in UEK R5U2 (x86_64)
A.44 pcmcia Drivers in UEK R5U2 (x86_64)
A.45 pinctrl Drivers in UEK R5U2 (x86_64)
A.46 platform Drivers in UEK R5U2 (x86_64)
A.47 power Drivers in UEK R5U2 (x86_64)
A.48 pps Drivers in UEK R5U2 (x86_64)
A.49 ptp Drivers in UEK R5U2 (x86_64)
A.50 regulator Drivers in UEK R5U2 (x86_64)
A.51 rtc Drivers in UEK R5U2 (x86_64)
A.52 scsi Drivers in UEK R5U2 (x86_64)
A.53 ssb Drivers in UEK R5U2 (x86_64)
A.54 staging Drivers in UEK R5U2 (x86_64)
A.55 target Drivers in UEK R5U2 (x86_64)
A.56 thermal Drivers in UEK R5U2 (x86_64)
A.57 tty Drivers in UEK R5U2 (x86_64)
A.58 uio Drivers in UEK R5U2 (x86_64)
A.59 usb Drivers in UEK R5U2 (x86_64)
A.60 uwb Drivers in UEK R5U2 (x86_64)
A.61 vfio Drivers in UEK R5U2 (x86_64)
A.62 vhost Drivers in UEK R5U2 (x86_64)
A.63 video Drivers in UEK R5U2 (x86_64)
A.64 virtio Drivers in UEK R5U2 (x86_64)
A.65 w1 Drivers in UEK R5U2 (x86_64)
A.66 watchdog Drivers in UEK R5U2 (x86_64)
A.67 xen Drivers in UEK R5U2 (x86_64)