[Spice-devel] linux with multiple "monitors" issues

[Dave Airlie]

On Sat, Nov 9, 2013 at 7:34 AM, Marc-André Lureau <mlureau at redhat.com> wrote:
>
>
> ----- Original Message -----
>> Hi All,
>>
>> You may remember me as the guy who about once a month complains that
>> multiple "monitors" simply doesn't work in linux.
>>
>> I have tested various configurations of centos 6, fedora 19 and fedora
>> 20 beta as host, guest and client.
>>
>> Well I think I've finally made some progress which I'll thought worth
>> reporting back.
>>
>> These results (below) are approximately the same on Fedora 20 beta and
>> Fedora 19 (host+guest+client).
>>
>> I was trolling through the Fedora "features" (or whatever they're called
>> now) and noticed that qxl KMS driver has made it's way into fedora.
>> That gave me an idea: disable it!  Sure enough, things are WAAAAYYY more
>> stable after blacklisting qxl.ko.
>
> Some multiple monitor and arbitrary resolution fixes are in drm-next:
> http://cgit.freedesktop.org/~airlied/linux/log/?h=drm-next
>
> With f20, you may also need the mutter fix:
> https://bugzilla.gnome.org/show_bug.cgi?id=711216
>
> For f19, it should be working with drm-next.

Most of the fixes are now pushed into the Fedora kernel repos, I don't
have versions for where they'll show up yet.

Dave.