This page contains patches that are EXPERIMENTAL. They had only limited testing and may not install or function in all environments. These patches need not be compatible with other patches on developerworks for LINUX for S/390 either.

Linux kernel version 2.2.20 experimental downloads

The purpose of this page is early publication of on-going efforts at IBM to allow for

This page may also be used to "submit" code into the development streams of open source projects.

Warning You may not use these patches on a production system or on any system that may get authority over a production system or access to data of a production system. Disregarding this rule may result in severe data loss.

Experimental patches will eventually disappear as they will be included in a following release unless proven wrong or replaced by better code.

If you download any software from this web site please be aware of the Warranty Disclaimer and Limitation of Liabilities.

Available experimental downloads for linux kernel version 2.2.20
Date Component Downloadable
2002-03-04 Mar 04 lcs patch linux-2.2.20-s390-2-lcs.tar.gz
2002-02-26 Feb 26 kernel patch linux-2.2.20-s390-1.tar.gz
2002-01-28 Code drop linux-2.2.20-s390.tar.gz
2002-01-28 OCO modules lcs-2.2.20-s390.tar.gz
qdio-2.2.20-s390.tar.gz
qeth-2.2.20-s390.tar.gz

2002-03-04 patches

Release note:

This patch contains the source code for the lcs device driver.

Everybody should apply this patch.

To create the complete linux kernel sources, the following patches need to be applied in sequence:
linux-2.2.20.tar.gz (original kernel source)
+ linux-2.2.20-s390.diff (IBM)
+ linux-2.2.20-s390-1.diff (IBM)
+ linux-2.2.20-s390-2-lcs.diff (IBM)

2002-02-26 patches

Release note:

This patch provides an updated S/390 backend for linux kernel version 2.2.20. It contains the following:

The 2002-01-28 OCO modules are not affected by these kernel changes.
To create the complete linux kernel sources, the following patches need to be applied in sequence:
linux-2.2.20.tar.gz (original kernel source)
+ linux-2.2.20-s390.diff (IBM)
+ linux-2.2.20-s390-1.diff (IBM)

Code Drop

Release notes:

This patch provides an updated S/390 backend for linux kernel version 2.2.20. It contains all bug fixes and updates dropped for kernel version 2.2.16.

To create the complete linux kernel sources, the following patches need to be applied in sequence:
linux-2.2.20.tar.gz (original kernel source)
+ linux-2.2.20-s390.diff (IBM)

OCO Modules

The following device drivers are compatible with the experimental Linux kernel version 2.2.20 and are object code only. Documentation on their use can be found in the LINUX for S/390 device drivers manual in the Documentation section.

Restrictions for QDIO base support and OSA-Express Gigabit Ethernet Driver:

Contact the IBM team

If you want to contact the Linux on System z IBM team refer to the Contact the Linux on System z IBM team page.

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