The thing is that there's no HostWindowPlugin at all in http://www.mirandabanda.org/files/Cog/VM/latest/cogspur64linuxht-16.18.3692.tgz .
And no, OpenGL works just fine from the same image/vm.

Levente

On Mon, 9 May 2016, marcel.taeumel wrote:

> Hi Levente,
>
> there are no-display checks for the calls:
>
> #define noDisplay ( (!dpy && !(dpy= ioGetDisplayModule())) || (dpy->version
> < 0x10002) )
>
> in platforms/unix/plugins/HostWindowPlugin/sqUnixHostWindowPLugin.c
>
> Maybe the OpenGL version in your system is an issue?
>
> Best,
> Marcel
>
>
>
> --
> View this message in context: http://forum.world.st/The-Trunk-Graphics-mt-332-mcz-tp4893836p4893981.html
> Sent from the Squeak - Dev mailing list archive at Nabble.com.
>
>