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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Elven Decker, thank you for reporting this bug to Ubuntu. Saucy reached EOL on July 17, 2014.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases

If this is reproducible in a supported release, please file a new
report.

** No longer affects: lightdm (Ubuntu)

** Changed in: xserver-xorg-video-ati (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1252536

Title:
  Supported Radeon 9550 very slow with Unity in 13.10, no 3D
  acceleration

Status in xserver-xorg-video-ati package in Ubuntu:
  Invalid

Bug description:
  Dramatically slower graphics performance after going from Ubuntu 13.04
  to 13.10.  After some debugging (below) I installed gdm and the
  problem went away.

  lspci -nn | grep VGA
  01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] RV350 [Radeon 9550] [1002:4153]

  /usr/lib/nux/unity_support_test -p
  OpenGL vendor string: VMware, Inc.
  OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.3, 128 bits)
  OpenGL version string: 2.1 Mesa 10.0.0-devel (git-1100093 saucy-oibaf-ppa)

  Not software rendered: no
  Not blacklisted: yes
  GLX fbconfig: yes
  GLX texture from pixmap: yes
  GL npot or rect textures: yes
  GL vertex program: yes
  GL fragment program: yes
  GL vertex buffer object: yes
  GL framebuffer object: yes
  GL version is 1.4+: yes

  Unity 3D supported: no

  I installed Mesa 10 to see if that would help, performance unchanged.

  LIBGL_DEBUG=verbose glxinfo 2>&1 > /dev/null
  libGL: OpenDriver: trying /usr/lib/i386-linux-gnu/dri/tls/swrast_dri.so
  libGL: OpenDriver: trying /usr/lib/i386-linux-gnu/dri/swrast_dri.so

  ****

  unset LIBGL_ALWAYS_SOFTWARE; /usr/lib/nux/unity_support_test -p

  yields:
  unset LIBGL_ALWAYS_SOFTWARE; /usr/lib/nux/unity_support_test -p
  OpenGL vendor string:   X.Org R300 Project
  OpenGL renderer string: Gallium 0.4 on ATI RV350
  OpenGL version string:  2.1 Mesa 9.2.1

  Not software rendered:    yes
  Not blacklisted:          yes
  GLX fbconfig:             yes
  GLX texture from pixmap:  yes
  GL npot or rect textures: yes
  GL vertex program:        yes
  GL fragment program:      yes
  GL vertex buffer object:  yes
  GL framebuffer object:    yes
  GL version is 1.4+:       yes

  Unity 3D supported:       yes

  *****

  Starting from the lightdm login screen, I press control-alt F2 to
  bring up a command line.  Then I run startx.  I don't get a window
  manager, but I can find my way to xterm and then work from the command
  line after X starts.  glxgears looks normal - smooth and as quickly as
  I believe the 9550 can go. :)  Opening firefox, CNN and youtube videos
  play smoothly.

  ****

  Found in x-0-greeter.log:

  ** (at-spi2-registryd:1630): WARNING **: Failed to register client: GDBus.Error:
  org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was
   not provided by any .service files

  ** (at-spi2-registryd:1630): WARNING **: Unable to register client with session 
  manager

  and

  ** (gnome-settings-daemon:1928): WARNING **: Unable to register client: GDBus.Er
  ror:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager
   was not provided by any .service files

  Same fil...My screen background isn't getting loaded... Looks like a
  permissions problem, but I haven't changed permissions on the file.
  Odd.

  [+11.17s] DEBUG: background.vala:155: Error loading background: Failed
  to open file '/home/arthur/Desktop/IMG_0274.JPG': Permission denied

  file closes with three more messages

  ** (gnome-settings-daemon:1928): WARNING **: Name taken or bus went
  away - shutting down

  (gnome-settings-daemon:1928): dconf-WARNING **: failed to commit changes to dconf: The connection is closed
  ** Message: PID 2470 (we are 2470) sent signal 15, shutting down...

  (nm-applet:2470): libappindicator-WARNING **: Unable to send signal
  for NewStatus: The connection is closed

  ****

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