Release Notes

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
Dell EMC PowerEdge Express Flash Enterprise NVMe Agnostic (AGN) device is not detected by the
operating system............................................................................................................................................................10
Dell EMC PowerEdge Express Flash Enterprise NVMe Agnostic (AGN) device causes the system to
stop responding..............................................................................................................................................................10
Transmit and receive statistics are reported as zero by the ip tool for Broadcom BCM57504 adapters.... 11
Dmesg displays error messages when Broadcom BCM57504 25GB is used on Red Hat Enterprise
Linux 7.8............................................................................................................................................................................11
Chapter 5: Important notes..........................................................................................................12
Chapter 6: Known issues..............................................................................................................13
Dell EMC OpenManage Storage Services utility fails to reconfigure the virtual disk....................................... 15
The dmidecode utility displays the slot type as <OUT OF SPEC> for PCIe Gen 4 NVMe slots.....................15
Operating system crashes when twenty DIMMs are connected to the server and the number of I/O
operations is high...........................................................................................................................................................15
Advanced Configuration and Power Interface (ACPI) error messages displayed in dmesg............................16
Access Vector Cache (AVC) denial messages are displayed when NVMe disk is hot inserted......................16
IO_PAGE_FAULT messages are displayed in dmesg for PCIe Generation 4 devices....................................... 17
QLogic Gen7 Fibre Channel cards are not detected with in-box drivers............................................................. 17
Linux operating system fails to detect the Intel x710 card ..................................................................................... 17
After system reboot, Disk data format (DDF) devices are not listed in /proc/mdstat....................................18
System crashes when the system is rebooted with SR-IOV-enabled QLogic cards.........................................18
Dmidecode displays OUT OF SPEC in Slot Type and Slot Length of SMBIOS system slots ......................... 18
Custom partitioning fails with FC LUN......................................................................................................................... 19
iscsiadm output displays STATIC in the iface.bootproto field when the network interface is
configured to DHCP......................................................................................................................................................19
When system reboots, system stops responding at the end of the reboot process ...................................... 20
NMI watchdog reports CPU soft lockup ....................................................................................................................20
Unable to create or modify namespace for NVDIMM.............................................................................................. 20
Chipset watchdog device is not created when the OS Watchdog Timer option is enabled in BIOS ........... 21
Systems with QLogic Cards that are configured with VLAN over Bond fail to shutdown or reboot............21
NetworkManager fails to bring up VLAN interface created over Bond interface..............................................21
Contents
Contents 3