This is a multi-part message in MIME format. --------------040505060606050103040606 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Hi Karli, El 18/05/16 a las 16:59, Karli Sjöberg escribió:
Den 18 maj 2016 5:49 em skrev Nicolás <nicolas@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@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
--------------040505060606050103040606 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit <html> <head> <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> </head> <body text="#000000" bgcolor="#FFFFFF"> Hi Karli,<br> <br> <div class="moz-cite-prefix">El 18/05/16 a las 16:59, Karli Sjöberg escribió:<br> </div> <blockquote cite="mid:848ff670f8084d3e8c04b813ead04977@exch2-4.slu.se" type="cite"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <p dir="ltr"><br> Den 18 maj 2016 5:49 em skrev Nicolás <a class="moz-txt-link-rfc2396E" href="mailto:nicolas@devels.es"><nicolas@devels.es></a>:<br> ><br> > Hi,<br> ><br> > Probably not an oVirt issue, but maybe someone can help. I've deployed a <br> > pretty basic VM (ubuntu 14.04 server, 4GB RAM, 4 CPUs, 15GB storage). </p> <p dir="ltr">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.</p> <p dir="ltr">/K</p> </blockquote> <br> 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.<br> <br> Thanks.<br> <br> <blockquote cite="mid:848ff670f8084d3e8c04b813ead04977@exch2-4.slu.se" type="cite"> <p dir="ltr">> Each time I install an additional desktop environment (Gnome, KDE, <br> > whatever...), CPU usage rises to 100% all time to the extreme that <br> > interacting with the machine becomes impossible (maybe a mouse movement <br> > is propagated 3 minutes later or so...).<br> ><br> > To debug this, I installed LXDE, which is a lightweight desktop <br> > environment based on Xorg. I could see there is an Xorg process <br> > consuming one of the CPUs and the machine stops responding as far as the <br> > desktop environment goes. I have not changed anything in the <br> > configuration file.<br> ><br> > I could also see this only happens when QXL is chosen as the display <br> > driver. When CIRRUS is chosen, everything works smoothly and CPU is <br> > ~100% idle. The downside is that we want to use SPICE and CIRRUS won't <br> > allow it.<br> ><br> > Why does this happen? Is this an OS-side driver issue? Any hint how can <br> > it be fixed?<br> ><br> > Thanks.<br> ><br> > Nicolás<br> > _______________________________________________<br> > Users mailing list<br> > <a class="moz-txt-link-abbreviated" href="mailto:Users@ovirt.org">Users@ovirt.org</a><br> > <a class="moz-txt-link-freetext" href="http://lists.ovirt.org/mailman/listinfo/users">http://lists.ovirt.org/mailman/listinfo/users</a><br> </p> </blockquote> <br> </body> </html> --------------040505060606050103040606--