dasd-extra-modules-3.16.0-4-s3 software package provides optional dasd DIAG support, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dasd-extra-modules-3.16.0-4-s3
dasd-extra-modules-3.16.0-4-s3 is installed in your system.
Make ensure the dasd-extra-modules-3.16.0-4-s3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep dasd-extra-modules-3.16.0-4-s3*
You will get with dasd-extra-modules-3.16.0-4-s3 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | debian-installer udeb packages |
| Package | dasd-extra-modules-3.16.0-4-s3 |
| Version | 3.16.36-1+deb8u1 |
| Description | optional dasd DIAG support |
| Sub Section | Debian-installer |