Which additional kernel options/configurations should be used with the Fujitsu Futro S920 ?
Environment
- Red Hat Enterprise Linux (RHEL) 6.6
- Fujitsu Futro S920
- kexec-tools
Issue
- Which additional kernel options/configurations should be used with the Fujitsu Futro S920 ?
Resolution
RHEL6.6
Additional kernel options should be used for this system.
- For installation, to be able to use USB connected mouse and/or keyboard, kernel parameter
iommu=softshould be added. - After installation,
iommu=softshould be added as kernel option to/etc/grub.confand the system should be rebooted. -
Additionally, to ensure
kdumpis working, the following points should be taken care of:- kernel option
crashkernel=256Mshould be used in/etc/grub.conf blacklist radeonshould be used in/etc/kdump.conf-
Also with
iommu=softbeeing used for the main kernel, it should be ensured its not getting used for the kdump kernel. Please verify that no kernel options are used in/etc/sysconfig/kdump:KDUMP_COMMANDLINE=""
- kernel option
RHEL6.7GA and later
RHEL6.7GA and later contain patches so the options are no longer required.
Root Cause
Additional kernel options should be used with the Fujitsu Futro S920 when RHEL6.6 is used. RHEL6.7GA and later contain patches so the options are no longer required.
This solution is part of Red Hat’s fast-track publication program, providing a huge library of solutions that Red Hat engineers have created while supporting our customers. To give you the knowledge you need the instant it becomes available, these articles may be presented in a raw and unedited form.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
