antler-keyboard fails to start, cannot initialize clutter

[cheshirekow]

Here is a trace from trying to start caribou:

josh@Clare:~$ /usr/lib/caribou/antler-keyboard
failed to create drawable

(-c:4269): Clutter-CRITICAL **: Unable to initialize Clutter: Unable to select the newly created GLX context
/usr/lib/caribou/antler-keyboard: line 42: 4269 Segmentation fault /usr/bin/python -c "
from caribou.antler.main import AntlerKeyboardService
AntlerKeyboardService().run()"

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: caribou 0.3.92-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu3
Architecture: i386
Date: Tue Oct 25 10:41:37 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
PackageArchitecture: all
SourcePackage: caribou
UpgradeStatus: No upgrade log present (probably fresh install)

[Jeremy Bícha (jbicha)]

Thank you for reporting this bug to Ubuntu. Ubuntu 11.10 reached End of
Life in 2013. See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

Please upgrade to Ubuntu 16.04 LTS and re-test. If the bug is still
reproducible, increase the verbosity of the steps to recreate it so we
can try again.

I apologize that we are not always to respond to bug reports promptly.
Do feel free to report any other bugs you may find.