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-rw-r--r--docs/testing/user/configguide/installation.rst23
1 files changed, 15 insertions, 8 deletions
diff --git a/docs/testing/user/configguide/installation.rst b/docs/testing/user/configguide/installation.rst
index e98976bf..7f4d640b 100644
--- a/docs/testing/user/configguide/installation.rst
+++ b/docs/testing/user/configguide/installation.rst
@@ -136,13 +136,19 @@ The test suite requires Python 3.3 or newer and relies on a number of other
system and python packages. These need to be installed for the test suite
to function.
+Updated kernel and certain development packages are required by DPDK,
+OVS (especially Vanilla OVS) and QEMU. It is necessary to check if the
+versions of these packages are not being **held-back** and if the
+DNF/APT/YUM configuration does not prevent their modification, by
+enforcing settings such as **"exclude-kernel"**.
+
Installation of required packages, preparation of Python 3 virtual
environment and compilation of OVS, DPDK and QEMU is performed by
-script **systems/build_base_machine.sh**. It should be executed under
+script **systems/build_base_machine.sh**. It should be executed under the
user account, which will be used for vsperf execution.
**NOTE:** Password-less sudo access must be configured for given
-user account before script is executed.
+user account before the script is executed.
.. code:: bash
@@ -156,13 +162,14 @@ automatically.
Script **build_base_machine.sh** will install all the vsperf dependencies
in terms of system packages, Python 3.x and required Python modules.
In case of CentOS 7 or RHEL it will install Python 3.3 from an additional
-repository provided by Software Collections (`a link`_). Installation script
+repository provided by Software Collections (`a link`_). The installation script
will also use `virtualenv`_ to create a vsperf virtual environment, which is
-isolated from the default Python environment. This environment will reside in a
-directory called **vsperfenv** in $HOME. It will ensure, that system wide Python
-installation is not modified or broken by VSPERF installation. The complete list
-of Python packages installed inside virtualenv can be found at file
-``requirements.txt``, which is located at vswitchperf repository.
+isolated from the default Python environment, using the Python3 package located
+in **/usr/bin/python3**. This environment will reside in a directory called
+**vsperfenv** in $HOME. It will ensure, that system wide Python installation
+ is not modified or broken by VSPERF installation. The complete list of Python
+packages installed inside virtualenv can be found in the file
+``requirements.txt``, which is located at the vswitchperf repository.
**NOTE:** For RHEL 7.3 Enterprise and CentOS 7.3 OVS Vanilla is not
built from upstream source due to kernel incompatibilities. Please see the