Re: [Xen-devel] Unable to get QXL vga working / videomem over 4MB issue

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2012-05-08 at 17:24 +0100, Pasi Kärkkäinen wrote:
> On Fri, May 04, 2012 at 12:32:19PM +0100, Ian Campbell wrote:
> > On Fri, 2012-05-04 at 12:21 +0100, Anthony PERARD wrote:
> > > On Fri, May 4, 2012 at 9:28 AM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> 
> > > wrote:
> > > > Anthony -- any idea why the videoram setting doesn't work with upstream
> > > > qemu?
> > > 
> > > Well, the parameter could be pass to qemu qxl, but it's not yet. But
> > > then, it seams you have to have this value of at least 32MB, otherwise
> > > the value is increase in qemu.
> > > 
> > > For cirrus/stdvga, there is no way to pass the parameter to qemu, the
> > > size in qemu is fixed to 8MB.
> > 
> > OK, so this is simply a feature which upstream qemu doesn't have. That's
> > fine.
> > 
> 
> Is this something that should be forward-ported from qemu-xen-traditional
> to upstream qemu ?

If there are reasons why this should be configurable, then I guess so.
Are you going to look into that?

This doesn't seem like 4.2 material to me though.

> > I guess xl.cfg(5) needs updating to make it clear that this option only
> > applies to qemu-xen-traditional.
> > 
> > The docs also currently say that for stdvga the default is 8MB and for
> > not stdvga (by which I guess it means Cirrus) the default if 4MB. So I
> > guess even this is inaccurate for qemu-xen-upstream?
> > 
> > Can someone send a patch please?
> > 
> 
> For the documentation patch maybe add this to the 4.2 status todo list
> as a reminder :) 

Please make requests for additions to the TODO list in the most recent
TODO list thread, with a link to the relevant thread. Otherwise the
chances are I won't remember when I update the list, since I only look
at replies in the TODO threads.

Ian.


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