Same problem has ever: windows have no decoration.
Checking for Xgl: not present.
xset q doesn't reveal the location of the log file. Using
fallback /var/log/Xorg.0.log
Detected PCI ID for VGA: 0000:00:10.0 0300: 1002:5c63 (rev 01) (prog-if
00 [VGA])
Checking for texture_from_pixmap: not present.
Trying again with indirect rendering:
Checking for texture_from_pixmap: present.
Checking for non power of two support: present.
Checking for Composite extension: present.
Comparing resolution (1024x768) to maximum 3D texture size (1024):
Passed.
Checking for nVidia: not present.
Checking for FBConfig: present.
Checking for Xgl: not present.
Starting gtk-window-decorator