RHBA-2011:0768 - Bug Fix Advisory

Topic

Updated edac-utils packages that fix one bug and add one enhancement are now
available for Red Hat Enterprise 6.

Description

EDAC is the current set of drivers in the Linux kernel that handles detection of
ECC errors from memory controllers for most chipsets on the x86, AMD64, and
Intel 64 architectures. The user-space component consists of an initscript which
ensures that EDAC drivers and DIMM labels are loaded at system startup, as well
as a library and utility for reporting current error counts from the EDAC sysfs
files.

This update fixes the following bug:

• Previously, the edac-utils initscript did not use the standard error codes of

other initscripts because several mandatory actions were missing. This update
implements the initscript actions "condrestart", "try-restart", "force-reload"
and sets the return values for each action accordingly. Now, the initscript uses
the standard error code. (BZ#632665)

This update also adds the following enhancement:

• This update extends the maximum number of channels from 2 to 6, in order to

allow it to work with some designs that have 4 channels on FB-DIMM motherboards,
e.g. the ones with Intel 7300 chipset. By default, this update identifies the
motherboard via BIOS DMI board information. If not available, it will fallback
to use DMI system information. (BZ#640113)

Note: the improvements from upstream version 0.16 are now added to edac-utils,
including new motherboard labels, an option to delay the motherboard write
labels, and a better parser to retrieve memory and vendor information from the
system.

All EDAC users are advised to upgrade to these updated packages, which fix this
bug and add this enhancement.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259/

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64

Fixes

CVEs

(none)

References

(none)