Virtualbox UI and remote X clients

Adam Vande More amvandemore at
Sat Oct 23 00:44:22 UTC 2010

On Fri, Oct 22, 2010 at 5:04 PM, Ade Lovett <ade at> wrote:

> On Oct 22, 2010, at 16:21 , Bernhard Froehlich wrote:
> > Could you please post that errors?
> freebsd% setenv DISPLAY remote:0
> freebsd% VirtualBox
> Wait for UI to pop up, click on 'Settings' for any virtual host, VirtualBox
> crashes with:
> Qt WARNING: QGLContext::makeCurrent(): Cannot make invalid context current.
> Segmentation fault
> (remote) in this case has been (so far):
> MacOSX 10.6 with Apple's
> MacOSX 10.6 with
> Windows XP with cygwin/X
> Windows 7 with cygwin/X
> Xvnc on the FreeBSD box, then using either the Mac or Windows box to fire
> up a vnc client to get to the Xvnc.
> > It sounds like an upstream bug so it
> > would be good to collect a few details like why it happens on your
> > system bug I cannot reproduce it here with Intel graphics.
> Please re-read what I said.  The host machine (running the virtualboxes)
> has NO graphics of any kind.  It's FreeBSD 8.1-STABLE/amd64 hooked up to a
> VT320 terminal as a serial console.  It has X11 libraries and the various
> toolkits (QT etc) installed, but no Xorg server (other than Xvnc), no X11
> drivers (graphics/keyboard/mouse).
> 3.2.8 was fine
> 3.2.8_1 broke things
> 3.2.10 (unsurprisingly) hasn't changed

I can confirm this issue, I reported it on the emulation mailing list a few
days ago.  Thanks for finding the exact breakage point.
Adam Vande More

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