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
Table 1. PowerEdge servers naming convention and examples
YX3X servers YX4X systems YX4XX systems YX5XX
PowerEdge M830 PowerEdge R440
PowerEdge R7415 PowerEdge R7515
PowerEdge T130 PowerEdge R540
PowerEdge R7425 PowerEdge R6525
Latest Release Notes
To access the latest Release Notes for this version:
1. Go to www.dell.com/support/home/en-us/products/software_int/software_operating_systems.
2. Click the link for this version of Ubuntu.
3. Click Documentation.
Related documents and links
Following are the documents and links that are related to Ubuntu 18.04:
Table 2. Related documents and links
URL For information about
www.discourse.ubuntu.com/c/support-help-requests Online support for Ubuntu 20.04
www.linux.dell.com/repo/community/ubuntu/ Dell EMC Ubuntu repository
www.help.ubuntu.com/lts/installation-guide/amd64/
index.html
Installation Guide
Accessing documents using product selector
You can also access documents by selecting your product.
1. Go to www.dell.com/manuals.
2. In the Choose from all products section, click View products.
3. Click Software and Security, and then click Operating Systems.
4. To view the document, click the wanted product version.
16
Resources and support