On Jan 28, 2014 11:13 AM, "Tom Horsley" <horsley1953@gmail.com> wrote:
>
> On Tue, 28 Jan 2014 10:54:33 -0700
> Pete Travis wrote:
>
> > I read in this bug report that you are using a bespoke yum plugin to
> > disable KSM and ksmtuned.  Logically, the more your local configuration
> > differs from default, the more difficult it will be to troubleshoot
> > affected software. Have you considered masking unwanted services, ie
> > `systemctl mask KSM.service` ?
>
> Disable, mask, it wouldn't have made any difference. Whenever
> a yum update dragged in new versions of those services, it
> always enabled them regardless of the administrator requested
> setting, thus the big hammer to re-disable them every time
> yum ran.
>

This is concerning. It should not be possible to enable a masked service.  Are you running a customized version of systemd? If not, have you run a `rpm -V systemd` or similar, tested memory and disks, etc?

--Pete