Comment 86 for bug 148408

(In reply to comment #23)
> Patch 107_radeon_reupload_textures_on_resume.diff was dropped from ubuntu as
> having been applied upstream. But going through the motions of pretending to
> apply patches from 100 to 108 (--dry-run) most were simply rejected, some were
> reverse-applicable indicating that they made it 1:1 into upstream, but 107 was
> applicable both to 1:6.6.193-1ubuntu1, the next version and the first one to
> break, and even the sources to the latest hardy release 1:6.8.0-1.

That fix is certainly present in current Git and has been for a long time. Sometimes patch doesn't realize a change is already present when the context has changed.

> The name of the patch also seems to indicate this is very likely to the be one
> we are looking for.

I'm afraid not - the absence of this fix would merely cause texture corruption in 3D apps running across a VT switch.