Re: gnome-shell - massive cpu usage in dual screen mode

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On Fri, 15 Apr 2011 23:41:10 +0200
Jan Steffens <jan.steffens@xxxxxxxxx> wrote:

> On Fri, Apr 15, 2011 at 11:32 PM, Christoph Glaubitz
> <chris+arch@xxxxxxxxx> wrote:
> > Hi,
> >
> > I installed gnome3 from testing today, and it works fine so far.
> > But in dual screen mode, the gnome-shell uses between 50 and 100%
> > cpu continuous. Just after login, without any other programs
> > running.
> >
> > If I switch off one of my displays - it does not matter which one,
> > the laptop display or the vga plugged - gnome-shell runs on 1% cpu
> > usage again. It is also possible to switch between the displays
> > without problems, as long as one of them is switched off.
> >
> > Since this is a 6(?) year old Intel 915GM chipset, it's maybe just
> > related to too little grafical power.
> >
> > Is anyone able to confirm this on a more powerful machine?
> >
> > --
> > chris
> >
> 
> The issue is probably that the dual screen desktop size exceeds your
> card's maximum texture size, triggering software rendering fallbacks
> in OpenGL all over the place.

Thanks, Jan. I also think so.

-- 
chris


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