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4.8 Release Notes
Red Hat Enterprise Linux 4
Release Notes for all Architectures
Abstract
This details the Release Notes for Red Hat Enterprise Linux 4.8
1. Release Notes Updates
This section contains additional Release Notes and Updates to existing notes that were not included in the distribution version of the Red Hat Enterprise Linux 4.8 Release Notes.
- Known Issue: Bugzilla #488186
- Running Red Hat Enterprise Linux 4.8 on Lenovo T61 notebooks may cause the system to hang during the boot process, displaying the following error message:
mtrr: v2.0 (20020519) ACPI: Subsystem revision 20040816 ACPI: Found ECDT
To work around this issue, disable ACPI (Advanced Configuration and Power Interface) by adding the commandacpi=off
to the kernel boot parameters. - Known Issue: Bugzilla #459785
- Japanese language JP106 keyboards will not function correctly when booting into Rescue Mode on Red Hat Enterprise Linux 4.8.
- Known Issue: Bugzilla #494022
- Updating all packages from Red Hat Enterprise Linux 4.7 to Red Hat Enterprise Linux 4.8 on multilib architectures may fail with dependency issues for the
openmpi-libs
package. To work around this issue, use the following commands to update thecompat-dapl
package before updating the remaining packages:up2date compat-dapl up2date -fu
- Known Issue: Bugzilla #443137
- In a typical HA-RAID (High Availability RAID) two-system configuration, two SAS (Serial Attached SCSI) adapters are plugged in to two systems that are connected to a shared SAS disk drawer. However, it is currently possible to set the
Preferred Dual Adapter State
attribute toPrimary
on both SAS adapters, which may trigger a race condition and cause infinite failover between the adapters. To prevent this error, if thePreferred Dual Adapter State
attribute of one SAS adapters is set toPrimary
, ensure that the other is set toNone
. - Known Issue: Bugzilla #499457
- As a result of N_Port ID Virtualization (NPIV) support added in Red Hat Enterprise Linux 4.8 on s390x architectures, the
permanent_port_name
sysfs
attribute is no longer included. This attribute was used (primarily for debugging purposes) to differentiate the use of NPIV Logical Unit Numbers (LUNs) from within Linux. In the absence of this attribute, system administrators should refer to the Hardware Management Console / Support Element (HMC/SE) to find the virtual port address on an NPIV-enabled system. - Known Issue: Bugzilla #435300
- Known Issue: In previous versions of Red Hat Enterprise Linux 4, adding the line
selinux --permissive
to a kickstart file sets selinux to permissive mode. However, this line is currently ignored by the installer, leaving selinux set to the default mode: enforcing.To set selinux to permissive mode during a kickstart installation, add thesetenforce 1
command to the%pre
section of the kickstart file.Alternatively, runsetenforce 1
after installation is complete. - Known Issue: Bugzilla #455251
- In Red Hat Enterprise Linux 4, invoking the kernel system call
setpriority()
with awhich
parameter of typePRIO_PROCESS
does not set the priority of child threads. - Recommendation: Firefox Restart
- Red Hat strongly recommends restarting the Firefox browser after updating the
firefox
package. This will ensure that all Firefox updates take effect.