This is very unlikely a duplicate:
* The list of visuals warned about is different between libGL and the X server. * The code in question is different between them as well.
That said, it's quite possibly a similar issue as bug 6689, so maybe the lessons learned there can be applied here.
This is very unlikely a duplicate:
* The list of visuals warned about is different between libGL and the X server.
* The code in question is different between them as well.
That said, it's quite possibly a similar issue as bug 6689, so maybe the lessons learned there can be applied here.