Ubuntu 16.04.3 for Dell EMC PowerEdge Servers Release Notes December 2017 Rev.
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. Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Overview...................................................................................................................... 4 Ubuntu Server installer media ......................................................................................................................................... 4 Chapter 2: Issues and Resolutions.................................................................................................5 Ubuntu 16.04.
1 Overview Ubuntu is an open source operating system software, which is one of the Linux distribution systems, based on Debian architecture. Ubuntu runs on the architectures, including Intel, AMD, and ARM-based machines. Ubuntu is published by Canonical Ltd, who offers commercial support. Ubuntu Support by Dell EMC Ubuntu Support by Dell EMC entitles customers to Ubuntu Server Technical Support from Dell EMC Technical support for one, three, or five years of contract period.
2 Issues and Resolutions Topics: • • • • • • • Ubuntu 16.04.3 installation with Hardware-Enablement kernel fails when NUMA is disabled Ubuntu 16.04.3 cannot detect NVDIMMs PERC 10 and QLogic QL41xxx cards do not support Ubuntu 16.04.3 and earlier versions Ubuntu 16.04.3 installer does not recognize the device name of PCIe SSDs An error message is displayed during Ubuntu 16.04.3 installation ACPI error messages related to IPMI in Ubuntu 16.
Cause: Ubuntu 16.04.3 and earlier versions do not contain inbox drivers for PERC 10 and QLogic NICs. Solution: This issue can be ignored because there is no functionality loss. These components will be supported in a later version of Ubuntu. Ubuntu 16.04.3 installer does not recognize the device name of PCIe SSDs Description: While trying to install Ubuntu 16.04.3 on PowerEdge 14 th generation servers, the installer displays the name of PCIe SSDs as Unknown. Applies to: Ubuntu 16.04.
ACPI Error kernel fail to assign BAR registers to PCI device message in Ubuntu 16.04 LTS Description: dmesg displays the following BAR failure messages on system startup: pci :BAR 6: failed to assign [mem size 0x00100000 pref Applies to: Ubuntu 16.04.3 Cause: The Linux PCIe layer tries to allocate all PCIe BARs in every boot. Home agent devices on Intel Xeon processors are not expected to have BAR registers. The home agent devices however return a positive value when queried by kernel.
3 Getting help Topics: • • • Ubuntu support by Dell EMC Native driver support Contacting Dell Ubuntu support by Dell EMC ● Dell EMC Technical Support requires purchase of ProSupport and Ubuntu Support by Dell EMC. ● Purchasing Ubuntu Support by Dell EMC from Dell EMC, provides L1, L2 support from Dell EMC, and L3 support from Canonical for the OS related issues. Native driver support ● Ubuntu Server is supported by Native drivers only.
