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Description of problem:

tuned doesn't seem to apply $tuned_params to any kernel that was installed before a tuned profile that uses the bootloader plugin is activated. This requires the system administrator to re-generate grub.cfg by hand if s/he wants $tuned_params applied to existing kernels.


Version-Release number of selected component (if applicable): tuned-2.4.1-1.20150616git446596eb.el7.noarch


How reproducible:


Steps to Reproduce:
1. Get a system or a VM with a fresh RHEL installation or an existing installation which doesn't have tuned installed
2. Install tuned
3. Activate any profile that uses kernel parameters
4. Check /boot/grub2/grub.cfg

Actual results:

A line setting $tuned_params will exist, but it won't be applied to any existing kernels.

Expected results:

Existing kernels get $tuned_params applied.

Additional info:

Fixed in upstream tuned commit:
https://git.fedorahosted.org/cgit/tuned.git/commit/?id=50dab75105f396f1773893e66566c65e333f4b4c

Also fixed:
- tuned_params aren't added to rescue kernels
- spurious whitespaces aren't added to grub.cfg

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2375.html