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[Crazycasta <1043575@xxxxxxxxxxxxxxxxxx>]

No, this is **NOT** an nVidia (or any driver) problem (emphasis because
the common misconception seems to be that it is an nVidia/ATI/AMD
proprietary driver issue, even I shared this misconception before
looking at the code). It is a problem with the implementation of the
Bresenham (bres for short) line drawing algorithm. I am not sure how the
other drivers get around this problem. My assumption (and if I recall
correct I may have even tested this) is that they do not call the code
in question at all. I'm guessing that they implement the line draw on
the graphics chip or something and therefore override this problematic
code.

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https://bugs.launchpad.net/bugs/1043575

Title:
  Xubuntu 12.10 + Xorg server 1.13 = Window decoration missing

Status in Xfce4 window manager:
  Unknown
Status in X.Org X server:
  Confirmed
Status in “xorg-server” package in Ubuntu:
  Incomplete
Status in “xorg-server” package in Debian:
  Fix Released

Bug description:
  I'm running Xubuntu 12.10 with the latest updates and certain themes
  that use 1pix window border, like Greybird won't show title bar and
  window borders.

  This problem exists at least with Nvidia drivers, Vmware and Virtual
  Box. And it doesn't exist in a fresh Ubuntu 12.04 with xorg server
  1.11 using the same drivers.

  Other people found the same issues, so I think it's a general thing.
  https://bbs.archlinux.org/viewtopic.php?pid=1152840

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