Release Notes
Table Of Contents
- Ubuntu Server 20.04 LTS for Dell EMC PowerEdge Servers Release Notes
- Contents
- Release summary
- Compatibility
- New and enhanced in this release
- Important notes
- Known issues
- A bus fatal error is detected on BCM57XX card
- Intel E810 and X710-T4L(device id 0x15ff) network cards are not detected after Ubuntu 20.04 is installed
- Ubuntu deployment through MaaS fails with Broadcom network cards BCM57xx
- The name of the NVMe device may change when it is hot-inserted after a surprise removal
- NVMe devices are enumerated in namespace 2 when hot-inserted into the server after being surprise removed
- /proc/mdstat and mdadm -D commands display incorrect statuses when two NVMe devices are surprise removed from a RAID 5 MD array
- Status of the RAID 0 LV is displayed as Available when one of the members of the RAID array is surprise removed
- BIOS Dell Update Packages (DUPs) will not run on Ubuntu 20.04
- Ubuntu Server 20.04 live image installation fails due to a loss of network connectivity
- CCP initialization failed error encountered after Ubuntu.20.04 is installed
- NVMe drive is not detected after multiple hot plug operations
- Limitations
- Updating Ubuntu
- Resources and support
- Contacting Dell EMC
Known issues
Topics:
• A bus fatal error is detected on BCM57XX card
•
Intel E810 and X710-T4L(device id 0x15ff) network cards are not detected after Ubuntu 20.04 is installed
• Ubuntu deployment through MaaS fails with Broadcom network cards BCM57xx
• The name of the NVMe device may change when it is hot-inserted after a surprise removal
• NVMe devices are enumerated in namespace 2 when hot-inserted into the server after being surprise removed
• /proc/mdstat and mdadm -D commands display incorrect statuses when two NVMe devices are surprise removed from a
RAID 5 MD array
• Status of the RAID 0 LV is displayed as Available when one of the members of the RAID array is surprise removed
• BIOS Dell Update Packages (DUPs) will not run on Ubuntu 20.04
• Ubuntu Server 20.04 live image installation fails due to a loss of network connectivity
• CCP initialization failed error encountered after Ubuntu.20.04 is installed
• NVMe drive is not detected after multiple hot plug operations
A bus fatal error is detected on BCM57XX card
Description:
The operating system and iDRAC reports a bus fatal error on BCM57XX card when the reboot command
is issued from the operating system. The error message is due to the driver accessing the device when it
is powered off by the shutdown process. This error message can be ignored.
Applies to: Ubuntu 20.04
Systems
affected:
All Dell EMC PowerEdge systems with BCM57XX network card.
Tracking number: 190284, 190236, 190026, and 190852
Intel E810 and X710-T4L(device id 0x15ff) network
cards are not detected after Ubuntu 20.04 is installed
Description:
On installing Ubuntu 20.04, the Intel E810 and X710-T4L(device id 0x15ff) network cards are not detected
due to the missing enablement patches in the server generic kernel.
Workaround: The operating system kernel must be updated with HWE kernel with the following command:
sudo apt-get install --install-recommends linux-generic-hwe-20.04
Applies to: Ubuntu 20.04
Systems
affected:
All Dell EMC PowerEdge servers with Intel E810 and X710-T4L(device id 0x15ff) network cards.
Tracking number: 190732
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8 Known issues