Ubuntu Server 18.04 LTS for Dell EMC PowerEdge Servers

Ubuntu Server 18.04 LTS for Dell EMC PowerEdge Servers

Release Notes

Notes, cautions, and warnings

NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

? 2018 - 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners. April 2020 Rev. A03

Contents

1 Release summary..........................................................................................................................4 Version.................................................................................................................................................................................... 4 Release date........................................................................................................................................................................... 4 Priority and recommendations............................................................................................................................................. 4

2 Compatibility............................................................................................................................... 5 Supported systems................................................................................................................................................................5 Previous versions...................................................................................................................................................................5

3 New and enhanced in this release.................................................................................................. 6

4 Important notes........................................................................................................................... 7

5 Known issues............................................................................................................................... 8 ACPI kernel fails to assign BAR register to PCI device ....................................................................................................8 ACPI error messages related to IPMI are displayed in dmesg log................................................................................... 8 Unable to create or modify namespace for NVDIMM...................................................................................................... 8 Unable to shut down Ubuntu when the graceful shutdown option from iDRAC is selected or when power button is pressed on the server.......................................................................................................................................9 Ubuntu fails to reboot when onboard DVD drives are connected to servers with AMD processor...........................9 Unable to install Ubuntu 18.04 in software RAID (S140) disks........................................................................................ 9 Ubuntu 18.04.1 installation and boot crashes when HBA330 card is available in servers with AMD processor ..... 10

6 Limitations................................................................................................................................. 11

7 Updating Ubuntu ........................................................................................................................12

8 Resources and support................................................................................................................ 13 Identifying the series of your Dell EMC PowerEdge servers..........................................................................................13 Latest Release Notes...........................................................................................................................................................14 Related documents and links.............................................................................................................................................. 14 Accessing documents using product selector..................................................................................................................14

9 Contacting Dell EMC................................................................................................................... 15

Contents

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Release summary

This release contains 4.15 Linux kernel and ifupdown replaced with netplan.io, and the new subiquity installer set as the default ISO image. The Ubuntu Server 18.04 Long Term Support (LTS) is a new LTS version, and the 4.15 kernel LTS line is supported for five years.

Topics:

? Version ? Release date ? Priority and recommendations

Version

Ubuntu Server 18.04 LTS

Release date

April 2020

Priority and recommendations

RECOMMENDED: Dell EMC highly recommends applying this update as soon as possible. The update contains changes to improve the reliability and availability of your Dell EMC system.

4

Release summary

Topics:

? Supported systems ? Previous versions

Supported systems

yx4x and yx5x Dell EMC PowerEdge servers.

Previous versions

Ubuntu 16.04.5

2

Compatibility

Compatibility

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