[ovirt-users] 100% memory usage on desktop environments

[Nicolás]

Hi Karli,

El 18/05/16 a las 16:59, Karli Sjöberg escribió:
>
>
> Den 18 maj 2016 5:49 em skrev Nicolás <nicolas at devels.es>:
> >
> > Hi,
> >
> > Probably not an oVirt issue, but maybe someone can help. I've 
> deployed a
> > pretty basic VM (ubuntu 14.04 server, 4GB RAM, 4 CPUs, 15GB storage).
>
> Just spitballing here: 14.04 only? Tried 16.04, or any other OS for 
> that matter? For now, it sounds more guest related rather than oVirt.
>
> /K
>

I tried a vanilla centos-7.1 as well and the same happens. I'm of the 
same opinion that this is more a guest related issue, it's just I'd like 
to find out why this only happens with QXL and not with CIRRUS.

Thanks.

> > Each time I install an additional desktop environment (Gnome, KDE,
> > whatever...), CPU usage rises to 100% all time to the extreme that
> > interacting with the machine becomes impossible (maybe a mouse movement
> > is propagated 3 minutes later or so...).
> >
> > To debug this, I installed LXDE, which is a lightweight desktop
> > environment based on Xorg. I could see there is an Xorg process
> > consuming one of the CPUs and the machine stops responding as far as 
> the
> > desktop environment goes. I have not changed anything in the
> > configuration file.
> >
> > I could also see this only happens when QXL is chosen as the display
> > driver. When CIRRUS is chosen, everything works smoothly and CPU is
> > ~100% idle. The downside is that we want to use SPICE and CIRRUS won't
> > allow it.
> >
> > Why does this happen? Is this an OS-side driver issue? Any hint how can
> > it be fixed?
> >
> > Thanks.
> >
> > Nicolás
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
>

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