Turning off 3D acceleration for the VM, and choosing "Use host settings for monitors" seems to have regained my stability.
The question about why I get this error (when 3D acceleration is on) still remains, so I'll leave this in unanswered status.
Turning off 3D acceleration for the VM, and choosing "Use host settings for monitors" seems to have regained my stability.
The question about why I get this error (when 3D acceleration is on) still remains, so I'll leave this in unanswered status.