Bug#643693: Panning failure: 1 or 2 pixels only

[Julien Cristau <jcristau@debian.org>]

On Sat, Oct  1, 2011 at 10:47:54 +0100, ael wrote:

> I now confirm that panning seems to be restricted to 1 or 2 pixels
> (vertically in this case). 
> 
> To summarize, before the recent upgrades, panning worked as expected.
> With a hardware screen with 1024x600 pixels, after issuing the xrandr
> command, I could pan vertically across the virtual 1024 pixels.
> 
> After the upgrades, and the same xrandr command, the panning seems
> to be restricted to approximately 601 or 602 pixels.
> 
> This is surely a bug, or is the xrandr command not the correct way to
> enable panning across a virtual screen? Is there some documentation
> I have missed?
> 
This is probably https://bugs.freedesktop.org/show_bug.cgi?id=39949

Cheers,
Julien