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[Nazo <lovesyao@xxxxxxxxx>]

This bug is too old and not Blender bug. closed.

** Changed in: blender (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/374307

Title:
  Blender - OpenGL windows behaving badly; incorrect repainting and
  screen corruption

Status in blender package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: blender

  The desktop paints on top of the Blender window and corrupts the
  display. Launch Blender in windowed mode and drag the window. Observe
  the window is erroneously repainted with the desktop during the drag
  operation.

  Also, opening a render window is fairly hit-n-miss. As soon as the
  render completes the OpenGL display is painted over the top of it.
  Dragging the render output window leaves a trail of corruption over
  the Blender window (it's painting the desktop instead of the Blender
  window contents).

  I'm running on a Dell Inspiron 9400 with a Radeon Mobility X1400 using
  the default graphics driver (not fglrx).

  * Version Information

  > lsb_release -rd
  Description:	Ubuntu 9.04
  Release:	9.04

  > uname -r
  2.6.28-11-generic

  > apt-cache policy blender
  blender:
    Installed: 2.48a+dfsg-1ubuntu3
    Candidate: 2.48a+dfsg-1ubuntu3
    Version table:
   *** 2.48a+dfsg-1ubuntu3 0
          500 http://archive.ubuntu.com jaunty/universe Packages
          100 /var/lib/dpkg/status

  > lspci -v
  ...
  01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility X1400
  	Subsystem: Dell Device 2002
  	Flags: bus master, fast devsel, latency 0, IRQ 16
  	Memory at c0000000 (32-bit, prefetchable) [size=256M]
  	I/O ports at ee00 [size=256]
  	Memory at dfdf0000 (32-bit, non-prefetchable) [size=64K]
  	Expansion ROM at dfe00000 [disabled] [size=128K]
  	Capabilities: <access denied>
  ...

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