[Spice-devel] [PATCH 0/2] stability for dual head

David Mansfield spice at dm.cobite.com
Tue May 27 07:49:59 PDT 2014


On 05/19/2014 10:01 AM, David Mansfield wrote:
> This patch series addresses two critical bugs that prevent dual-head
> from working in a linux-linux environment. (All testing done on F20
> fully updated as guest, host and client).
>
> We (myself and a colleague) have been using patched versions of qxl.ko
> and xorg-qxl for a week or so and these patches definitely solve the
> problems addressed by the invididual patches.
>
> Patches are against F20 package source.
>
> Please consider reviewing/accepting these patches without which dual
> head cannot be used(*) in linux.
>
> These patches or previous versions have been sent to the list but I
> have not received any feedback.
>
> (*) by coincidence, dual head with small-ish monitor sizes does work
> better on gnome3 than it does with other DE (ie. MATE or fluxbox) due
> simply to luck in the order that the monitors/surfaces ioctl are
> called, but not due to any design.
>

I've opened/updated the freedesktop.org bugs with these two patches and 
some commentary.  It would be helpful if the maintainers of the 
respective code bases (qxl.ko and xorg-qxl) could comment on these two 
patches or at least a "resend in one month - we're really busy" or 
something.

Bugs:

Multiple monitors broken in desktops other than gnome3 : 
https://bugs.freedesktop.org/show_bug.cgi?id=78131

xorg crashes due to assert() when a large "image" is created : 
https://bugs.freedesktop.org/show_bug.cgi?id=79317

-- 
Thanks,
David Mansfield
Cobite, INC.


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