Users Guide

Workaround This is working as designed. This will be addressed in a later version of the iDRAC firmware.

Cause Although the message indicates that the operating system is in polling mode, the Linux driver

continues to work in the interrupt mode.

Incorrect Processor Information Displayed

Description For processors such as AMD Opteron 6200 Series and AMD Opteron 4200 Series, with two

nodes on one socket, the system displays incorrect processor information.

Workaround This is working as designed. The operating system will still be able to utilize the maximum

number of cores on the processor.

Issue Fixed In Red Hat Enterprise Linux 5 Update 7

Error Message During Red Hat Enterprise Linux Installation

Description During the installation of Red Hat Enterprise Linux 5 Update 4, the following error message is

displayed:

The software you have selected to install will require CDs

Workaround For more information, see the knowledge base article 44131 available at redhat.com.

Cause This issue occurs when at least one of the following conditions is true:

• Dell USC is used for the Red Hat Enterprise Linux installation.

• Red Hat Enterprise Linux optical media is used and the dd option is passed to the

installer.

Issues Fixed In Red Hat Enterprise Linux 5 Update 6

This section contains information about issues, resolutions, and their workarounds when using Red Hat Enterprise Linux

5 Update 6 on your Dell system.

Kernel Panic Occurs On AMD Opteron 6000 And AMD 4100 Processor-Based Systems

Description On systems based on the AMD Opteron 6000 series processors such as Dell PowerEdge R415,

R515, R715, and R815 there can be a kernel panic during system boot-up (installation time, or

runtime). The issue is seen with the x86 edition of Red Hat Enterprise Linux 5 Update 5 and not

with the x86_64 edition.

NOTE: This issue also occurs with Red Hat Enterprise Linux 5 Update 5 x86 and x86_64

running as a guest on Red Hat Enterprise Linux 5 Update 5 Xen.

System Unreachable In A Cluster Scenario

Description In a High-Performance Computing (HPC) cluster environment consisting of compute nodes with

Broadcom 5709 network controllers, one or more compute nodes become unreachable.