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[Xen-users] GLX in PV domU

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: SZABO Zsolt <szazs@xxxxxxxxx>
  • Date: Wed, 22 Jul 2009 12:14:07 +0200 (CEST)
  • Delivery-date: Wed, 22 Jul 2009 03:16:15 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

dom0 x64 (Dual-Core AMD Opteron(tm) Processor 8220)
domU 32bit: 2.6.18 kernel debian 5.0 (lenny) on lvm partitions

The domU was created by xen-create-image from xen-tools.

Inside the domU I have installed the X related packages
(xfce4, gdm, etc.) with aptitude.

Now, when I login via "ssh -X", I can start xclock and other X applications, but when trying to start glxgears or glxinfo I get:
$ glxgears
libGL: XF86DRIGetClientDriverName: 4.0.1 r200 (screen 0)
libGL: OpenDriver: trying /usr/lib/dri/r200_dri.so
glxgears: ../../src/xcb_io.c:461: _XRead: Assertion `dpy->xcb->reply_data != 0' failed.

What is missing? Or is it possible to use OpenGL applications (remotely) inside a domU at all?

Btw. has anybody here experience with *remote* (not xen related) OpenGL apps? I usually face two kinds of message:

libGL error: open DRM failed (Operation not permitted)
libGL error: reverting to (slow) indirect rendering


libGL error: open XF86DRIAuthConnection failed (Operation not permitted)
libGL error: reverting to (slow) indirect rendering
(but in this case the application seems to run...)


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