Unbreakable Enterprise Kernel

Release Notes for Unbreakable Enterprise Kernel Release 5 Update 3

Oracle Legal Notices
Oracle Documentation License

F26293-01

March 2020


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 On-Demand Paging
1.1.4 File Systems
1.1.5 RDMA
1.1.6 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 hot plug functionality not functional in KVM
3.5 [aarch64] Networking fails for Mellanox ConnectX-3 Pro ethernet controller
3.6 File System Issues
3.6.1 ext4: Frequent repeated system shutdowns can cause file system corruption
3.6.2 xfs: xfs_repair fails to repair the corrupted link counts
3.7 RDMA Issues
3.8 Docker Issues
3.9 IOMMU kernel option enabled by default
3.10 LXC Issues
3.11 NVMe device names change across reboots
3.12 NVMe device hotplug unplug procedure change
3.13 Kernel warning when allocating memory for Avago MegaRAID SAS 9460-16i controller
3.14 KVM guest crashes when using memory hotplug operation to shrink available memory
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 3 (x86_64)
A.1 acpi Drivers in UEK R5U3 (x86_64)
A.2 ata Drivers in UEK R5U3 (x86_64)
A.3 atm Drivers in UEK R5U3 (x86_64)
A.4 auxdisplay Drivers in UEK R5U3 (x86_64)
A.5 bcma Drivers in UEK R5U3 (x86_64)
A.6 block Drivers in UEK R5U3 (x86_64)
A.7 bluetooth Drivers in UEK R5U3 (x86_64)
A.8 cdrom Drivers in UEK R5U3 (x86_64)
A.9 char Drivers in UEK R5U3 (x86_64)
A.10 cpufreq Drivers in UEK R5U3 (x86_64)
A.11 crypto Drivers in UEK R5U3 (x86_64)
A.12 dax Drivers in UEK R5U3 (x86_64)
A.13 dca Drivers in UEK R5U3 (x86_64)
A.14 devfreq Drivers in UEK R5U3 (x86_64)
A.15 dma Drivers in UEK R5U3 (x86_64)
A.16 edac Drivers in UEK R5U3 (x86_64)
A.17 firewire Drivers in UEK R5U3 (x86_64)
A.18 firmware Drivers in UEK R5U3 (x86_64)
A.19 gpu Drivers in UEK R5U3 (x86_64)
A.20 hid Drivers in UEK R5U3 (x86_64)
A.21 hv Drivers in UEK R5U3 (x86_64)
A.22 hwmon Drivers in UEK R5U3 (x86_64)
A.23 i2c Drivers in UEK R5U3 (x86_64)
A.24 iio Drivers in UEK R5U3 (x86_64)
A.25 infiniband Drivers in UEK R5U3 (x86_64)
A.26 input Drivers in UEK R5U3 (x86_64)
A.27 iommu Drivers in UEK R5U3 (x86_64)
A.28 isdn Drivers in UEK R5U3 (x86_64)
A.29 leds Drivers in UEK R5U3 (x86_64)
A.30 md Drivers in UEK R5U3 (x86_64)
A.31 media Drivers in UEK R5U3 (x86_64)
A.32 memstick Drivers in UEK R5U3 (x86_64)
A.33 message Drivers in UEK R5U3 (x86_64)
A.34 mfd Drivers in UEK R5U3 (x86_64)
A.35 misc Drivers in UEK R5U3 (x86_64)
A.36 mmc Drivers in UEK R5U3 (x86_64)
A.37 mtd Drivers in UEK R5U3 (x86_64)
A.38 net Drivers in UEK R5U3 (x86_64)
A.39 ntb Drivers in UEK R5U3 (x86_64)
A.40 nvdimm Drivers in UEK R5U3 (x86_64)
A.41 nvme Drivers in UEK R5U3 (x86_64)
A.42 parport Drivers in UEK R5U3 (x86_64)
A.43 pci Drivers in UEK R5U3 (x86_64)
A.44 pcmcia Drivers in UEK R5U3 (x86_64)
A.45 pinctrl Drivers in UEK R5U3 (x86_64)
A.46 platform Drivers in UEK R5U3 (x86_64)
A.47 power Drivers in UEK R5U3 (x86_64)
A.48 pps Drivers in UEK R5U3 (x86_64)
A.49 ptp Drivers in UEK R5U3 (x86_64)
A.50 regulator Drivers in UEK R5U3 (x86_64)
A.51 rtc Drivers in UEK R5U3 (x86_64)
A.52 scsi Drivers in UEK R5U3 (x86_64)
A.53 ssb Drivers in UEK R5U3 (x86_64)
A.54 staging Drivers in UEK R5U3 (x86_64)
A.55 target Drivers in UEK R5U3 (x86_64)
A.56 thermal Drivers in UEK R5U3 (x86_64)
A.57 tty Drivers in UEK R5U3 (x86_64)
A.58 uio Drivers in UEK R5U3 (x86_64)
A.59 usb Drivers in UEK R5U3 (x86_64)
A.60 uwb Drivers in UEK R5U3 (x86_64)
A.61 vfio Drivers in UEK R5U3 (x86_64)
A.62 vhost Drivers in UEK R5U3 (x86_64)
A.63 video Drivers in UEK R5U3 (x86_64)
A.64 virtio Drivers in UEK R5U3 (x86_64)
A.65 w1 Drivers in UEK R5U3 (x86_64)
A.66 watchdog Drivers in UEK R5U3 (x86_64)
A.67 xen Drivers in UEK R5U3 (x86_64)