Public bug reported:
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
****
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1252536
Title:
Radeon 9550 fails to support Unity with lightdm in 13.10
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