Optional update for Linux kernel (k_timer)

Knowledgebase

(Last modified: 19MAY2004)

solutions Optional update for Linux kernel (k_timer) SuSE Linux Maintenance Web (0ad62c745caca9eef327fdbe01b5ca25)

Applies to

Product(s): SuSE Linux Enterprise Server 7 for IBM zSeries

Package: k_timer
Release: 20040519
Obsoletes: none

Indications

This update should be installed on systems that show performance problems with HiperSocket Guest LAN under z/VM.
This article applies to systems with the k_timer kernel package installed, please use the appropriate kernel package if you are using a different kernel:

"Optional update for Linux kernel (k_deflt)" (http://sdb.suse.de/en/psdb/html/837472541bf049cc5ebf8b5a1ff9c366.html)

You can find out which kernel package you are using with
rpm -qf /boot/kernel/image

Contraindications

Using z/VM 4.3 and PTF UM30652 not installed.

Description

This kernel update fixes a problem with HiperSocket Guest LANs that leads to performance degration of the connection.

Installation notes

This update is provided as an RPM package that can easily be installed onto a running system by using these commands:
rpm -Fvh k_timer.rpm zipl
please do not forget to run zipl after installing the k_timer for the system to remain bootable.
Finally, reboot the system with
shutdown -r now
to load the new kernel (replace "now" with the appropriate amount of time to allow local users to cleanly log out, for example "+5" for five minutes.)

links to download packages

SUSE Linux Enterprise Server 7 for IBM zSeries (s390x)

Download Source Packages

Download the source code of the patches for maintained products.

Disclaimer

The Origin of this information may be internal or external to Novell. Novell makes all reasonable efforts to verify this information. However, the information provided in this document is for your information only. Novell makes no explicit or implied claims to the validity of this information.

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