[Spice-devel] Very poor performance on KVM with Ubuntu 12.10 guest

[David Jaša]

Jodi Curtis píše v St 21. 11. 2012 v 17:22 +0000:
> Hi
> 
> 
> The file doesn't exist on the host

You should _create_ the file in the _guest_.

>  and I had already written off Ubuntu 12.x, the host is command line
> only, I moved to Xubuntu, which offers better performance, 

That's actually no surprise, spice does noticeably worse with
compositing managers in guest OSs.

> I am hoping I can improve it by using the guest source provided by
> spice, the Ubuntu guest was partially crashing (launcher I think). 
> 
> I've not decided whether to stick with Xubuntu yet.
> 
> 
> I also have a problem with en-gb map not mapping some keys despite
> being configured in spice and on the guest os (#~ not working at all,
> @' mapping to ¬` and ¬` not working at all)
> 
> It is only a problem through spice, but three (four when programming)
> of these are quite important.
> 
> It's not the US map as " would be @, so I am about to Google for it,
> to see how I can edit it, and which bit is the problem

Let's see what developers could say in the separate thread. I've never
seen keyboard problems like this linux clients and I alternate between
Czech and English/US layouts in both clients and guests regularly.

David

> 
> On Fri, Nov 16, 2012 at 11:00 AM, David Jaša <djasa at redhat.com> wrote:
>         In addition to what Christophe writes, you can try to disable
>         surfaces
>         in the guest driver:
>         
>         # cat /etc/X11/xorg.conf.d/qxl.conf
>         Section "Device"
>                  Identifier  "qxl"
>                  Driver      "qxl"
>                  #Option  "DPI"   "96 x 96"
>                  #Option "ENABLE_IMAGE_CACHE" "True"
>                  #Option "ENABLE_FALLBACK_CACHE" "False"
>                  Option "ENABLE_SURFACES" "False"
>         EndSection
>         
>         they are known pain point in linux guests.
>         
>         David
>         
>         
>         Christophe Fergeau píše v Pá 16. 11. 2012 v 11:52 +0100:
>         > Hey,
>         >
>         > On Fri, Nov 16, 2012 at 01:14:39AM +0000, Jodi Curtis wrote:
>         > > Having fought my way through getting used to KVM, I have
>         installed a
>         > > development desktop along side some servers, and the
>         performance is
>         > > unusable.
>         > >
>         > > The Ubuntu GUI seems very slow and not very responsive. It
>         was not as bad
>         > > as VGA but it is still unusable, all I need is to work in
>         a development gui
>         > > and do the things developers do, but if I can't even get
>         text entered in at
>         > > normal speed, and have menu's responsive enough to use,
>         it's not much good
>         > > to me.
>         >
>         > Have you tried other desktop environments than Ubuntu GUI?
>         (I assume this is
>         > Unity3d?) The 3d rendering has to be done in software, and
>         I'm not sure
>         > how Unity behaves in such setups, so worth checking with
>         another desktop
>         > environment not relying on 3d.
>         >
>         > Christophe
>         
>         > _______________________________________________
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>         > Spice-devel at lists.freedesktop.org
>         > http://lists.freedesktop.org/mailman/listinfo/spice-devel
>         
>         --
>         
>         David Jaša, RHCE
>         
>         SPICE QE based in Brno
>         GPG Key:     22C33E24
>         Fingerprint: 513A 060B D1B4 2A72 7F0D 0278 B125 CD00 22C3 3E24
>         
>         
>         
> 
> 
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-- 

David Jaša, RHCE

SPICE QE based in Brno
GPG Key:     22C33E24 
Fingerprint: 513A 060B D1B4 2A72 7F0D 0278 B125 CD00 22C3 3E24