[Qemu-devel] Re: [ kvm-Bugs-2907597 ] qemu vnc server clips at 2560x1600

[Avi Kivity]

On 01/10/2010 06:26 PM, SourceForge.net wrote:
> Initial Comment:
> So I am running using the VESA driver to run an Ubuntu 9.10 guest at 2560x1600 
> (I had to modify the xserver-video-vesa package to remove an internal screen 
> limit of 2048x2048 in the xorg vesa driver) and everything works great except 
> that the qemu vnc server appears to clip at this resolution. The problem goes 
> away if I run 1900x1200 and it doesn't change if I run 16bit depth or 24bit 
> depth.
>
> I have attached two screenshots, the first is vncing directly into qemu (which 
> exhibits the problem) and the second is vncing to a vnc server I have running 
> in the guest which doesn't have the problem.
>
> I poked around in vnc.c and couldn't see any limits but I feel like its a 
> buffer limit of some kind.
>
> Also if you look very closely at the first image you can see that the first row 
> is drawn correctly all the way across but subsequent rows are not.
>
> If you need more information doesn't hesitate to ask.
>
>    

Anthony, can you take a look at this?  Seems like a serious issue, could 
find nothing obvious in vnc.c.

> ----------------------------------------------------------------------
>
>    
> > Comment By: Avi Kivity (avik)
> >      
> Date: 2010-01-10 18:26
>
> Message:
> Confirmed with vncviewer and vinagre, so unlikely to be a client problem.
>
> ----------------------------------------------------------------------
>
> Comment By: Avi Kivity (avik)
> Date: 2010-01-10 16:17
>
> Message:
> The cropping is 512 pixels wide, the correct area is 2048 pixels wide, so
> it does look like some kind of limit.
>
> ----------------------------------------------------------------------
>
> Comment By: SourceForge Robot (sf-robot)
> Date: 2009-12-28 04:20
>
> Message:
> This Tracker item was closed automatically by the system. It was
> previously set to a Pending status, and the original submitter
> did not respond within 14 days (the time period specified by
> the administrator of this Tracker).
>
> ----------------------------------------------------------------------
>
> Comment By: Matthew Colyer (mcsoccer)
> Date: 2009-12-17 05:18
>
> Message:
> The blocks do not show up when run in SDL mode. So I believe the problem is
> still somehow related to the VNC server.
>
> ----------------------------------------------------------------------
>
> Comment By: Avi Kivity (avik)
> Date: 2009-12-13 12:29
>
> Message:
> Does it work well with SDL?  Maybe the problem is not vnc related.
>
> ----------------------------------------------------------------------
>
> You can respond by visiting:
> https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2907597&group_id=180599
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error compiling committee.c: too many arguments to function