- Notes, cautions, and warnings
- Release summary
- Compatibility
- New and enhanced in this release
- Important notes
- Fixes
- Known issues
- Booting into operating system fails on systems with TPM 1.2 chips
- Ubuntu server suspends automatically when idle
- Unable to shut down Ubuntu when the graceful shutdown option from iDRAC is selected or when power button is pressed on the server
- NVIDIA out-of-box driver fails to load when system has NVIDIA GPGPUs on Ubuntu 20.04
- 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
Ubuntu Server 20.04 LTS for Dell EMC PowerEdge Servers Release Notes
Important notes
The default server ISO image is the general availability (GA) kernel-Linux 5.4. To download Ubuntu Server installer media and ISO images, go to
www.ubuntu.com/download/server. Links to download Ubuntu Server 20.04.1 LTS and the canonical Ubuntu 20.04 release notes are found on this page.
NOTE By default, the Subiquity installer download is available. Ubuntu 20.04 does not support the Debian-installer.
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