Public bug reported:
Binary package hint: compiz
Steps to reproduce:
1) Have multiple users
2) Log in as one of them, make sure desktop effects are enabled
3) Switch users and log in as a different user
4) Trying to enable desktop effects fails.
Whoever is first to login gets desktop effects, the second person
doesn't.
Here is terminal output of gnome-appearance-properties for 2nd user:
There is no available graphics driver for your system which supports the
composite extension.
Checking for Xgl: not present.
Detected PCI ID for VGA: 00:02.0 0300: 8086:29c2 (rev 02) (prog-if 00 [VGA
controller])
Checking for texture_from_pixmap: present.
Checking for non power of two support: present.
Checking for Composite extension: present.
Comparing resolution (1440x900) to maximum 3D texture size (2048): Passed.
Checking for nVidia: not present.
Checking for FBConfig: present.
Checking for Xgl: not present.
/usr/bin/compiz.real (core) - Fatal: No GLXFBConfig for default depth, this
isn't going to work.
/usr/bin/compiz.real (core) - Error: Failed to manage screen: 0
/usr/bin/compiz.real (core) - Fatal: No manageable screens found on display
:20.0
** Affects: compiz (Ubuntu)
Importance: Undecided
Status: New
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Cannot enable desktop effects with multiple users logged in
https://bugs.launchpad.net/bugs/228764
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