Release Notes

Systems
affected:
Dell EMC PowerEdge yx4x and yx5x servers
Tracking number: 164988
Link Up message is observed when the NVMe device
slot is powered off and the device is unplugged
Description: The message Link Up is observed in the dmesg log when the NVMe device slot is powered off and the
device is unplugged by running the following command:
echo 0 > /sys/bus/pci/slots/<slot number>/power
The expected message is Link Down because the device is unplugged.
Applies to: Red Hat Enterprise Linux 8.0 and later
Cause: This is due to an issue with the pciehp driver.
Workaround: This issue is a cosmetic issue and can be ignored. The NVMe device is recognized when plugged into the
slot.
Systems
affected:
Dell EMC PowerEdge R740xd and Dell EMC PowerEdge R7425
Tracking number: 160773
Mellanox InfiniBand adapters are listed in Bluetooth
Description:
Mellanox InfiniBand adapters are listed in Gnome, under the Network > Settings > Bluetooth section.
Applies to: Red Hat Enterprise Linux 8.0 and later
Cause: Not available
Workaround: Not available. This issue is a cosmetic issue. Use other tools like nmcli, and nm-connection-editor
to view and configure the InfiniBand interfaces.
Systems
affected:
All Dell EMC PowerEdge servers
Tracking number: 133715
After every reboot, the network interface name
changes
Description:
Network interfaces for NICs plugged into the PCI slot are named incorrectly. The issue could manifest
where interfaces are named as ethN instead of the expected ensXfY format, or the network interface is
incorrectly named. For example, the network interface is named ens5f0 when it is plugged into slot
number 4.
Applies to: Red Hat Enterprise Linux 8.1
Cause: There is an issue with _SUN ACPI Slot numbers in system firmware.
Workaround: Pass biosdevname=1 to kernel command line during installation, and also after installation.
NOTE: Passing the biosdevname=1 parameter will enable biosdevname naming function.
Known issues 19