Description of problem: Switching tuned profile using 'tuned-adm' causes restarting of ktune and loading of /etc/sysctl.conf file. This may change sysctl net.ipv4.ip_forward option and break networking in virtual machines. By default, net.ipv4.ip_forward is disabled in sysctl.conf. libvirt enables this settings without changing /etc/sysctl.conf. The change should be done in /etc/sysctl.conf as well. Version-Release number of selected component (if applicable): libvirt-0.7.7-5.fc13 Steps to Reproduce: # sysctl net.ipv4.ip_forward net.ipv4.ip_forward = 1 # tuned-adm profile default Switching to profile 'default' Applying ktune sysctl settings: /etc/ktune.d/tunedadm.conf: [ OK ] Applying sysctl settings from /etc/sysctl.conf Starting tuned: [ OK ] # sysctl net.ipv4.ip_forward net.ipv4.ip_forward = 0
The same in Rawhide: libvirt-0.8.2-1.fc14.x86_64
This was cloned against RHEL6 as Bug 612867, which was previously documented here only as an (erroneous) dependency. I've just removed the dependency.
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Changing version to 15, as this is still a problem and shouldn't get lost. Please see the recent notes in Bug 612867 - the firewall management package is now available in F15, but its current functionality is inadequate for libvirt (in particular, its config isn't persistent - if the firewall manager is stopped and restarted, all state is lost).
This package has changed ownership in the Fedora Package Database. Reassigning to the new owner of this component.
I assume this is still relevant, so moving to F15. Though this should probably be consolidated into a big 'make libvirt work with firewalld' bug.
Actually given that this bug has just lingered for a long time, and it's a repeat of our age old networking issues, closing as WONTFIX for F17. We should hopefully resolve this for F18