Release Notes

Table Of Contents
Chapter 1: Release summary..........................................................................................................7
Version....................................................................................................................................................................................7
Release date..........................................................................................................................................................................7
Priority and recommendations..........................................................................................................................................7
Chapter 2: Compatibility............................................................................................................... 8
System configuration requirements................................................................................................................................ 8
Memory............................................................................................................................................................................ 8
Chapter 3: New and enhanced in RHEL 7.x release........................................................................ 9
Installation and upgrade instructions.............................................................................................................................. 9
Chapter 4: Fixes...........................................................................................................................10
The mcelog utility logs 'only decoding architectural errors' message in var/log/messages........................... 10
An error message is displayed when the internal SATA optical drive is empty during UEFI boot..................10
FCoE session is not reestablished after MX9116N switch is rebooted..................................................................11
Disk drives part of MD RAID are not listed as installation destination by the installer...................................... 11
Dell EMC OpenManage Storage Services utility fails to reconfigure the virtual disk........................................ 11
Operating system crashes when twenty DIMMs are connected to the server and the number of I/O
operations is high........................................................................................................................................................... 12
Dell EMC Express Flash Enterprise NVMe CD6/CM6 device is not detected by the kernel..........................13
Dell EMC PowerEdge Express Flash Enterprise NVMe Agnostic (AGN) device is not detected by the
operating system............................................................................................................................................................13
IO_PAGE_FAULT messages are displayed in dmesg for PCIe Generation 4 devices....................................... 13
Dell EMC PowerEdge Express Flash Enterprise NVMe Agnostic (AGN) device causes the system to
stop responding..............................................................................................................................................................14
Transmit and receive statistics are reported as zero by the ip tool for Broadcom BCM57504 adapters... 14
Dmesg displays error messages when Broadcom BCM57504 25GB is used on Red Hat Enterprise
Linux 7.8........................................................................................................................................................................... 15
Chapter 5: Important notes......................................................................................................... 16
Chapter 6: Known issues.............................................................................................................. 17
Intel E810 NIC interfaces are not functional on AMD Rome CPU based systems.............................................19
acpi_pad threads are not spawned as expected when power capping is enabled in iDRAC...........................19
Dell Controlled Turbo feature is not functional...........................................................................................................19
The dmidecode utility displays the slot type as <OUT OF SPEC> for PCIe Gen 4 NVMe slots....................20
Access Vector Cache (AVC) denial messages are displayed when NVMe disk is hot inserted.....................20
QLogic Gen7 Fibre Channel cards are not detected with in-box drivers............................................................ 20
Linux operating system fails to detect the Intel x710 card .....................................................................................21
After system reboot, Disk data format (DDF) devices are not listed in /proc/mdstat....................................21
System crashes when rebooted with SR-IOV-enabled QLogic cards...................................................................21
Dmidecode displays OUT OF SPEC in Slot Type and Slot Length of SMBIOS system slots ........................ 22
Custom partitioning fails with FC LUN........................................................................................................................ 22
Contents
Contents 3