Apparently the retracer for Hardy does not work anymore.
** Changed in: serpentine (Ubuntu)
Status: New = Invalid
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serpentine crashed with SIGSEGV in g_type_check_instance()
https://bugs.launchpad.net/bugs/226452
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** Attachment added: CoreDump.gz
http://launchpadlibrarian.net/14194491/CoreDump.gz
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/14194492/Dependencies.txt
** Attachment added: Disassembly.txt
http://launchpadlibrarian.net/14194493/Disassembly.txt
** Attachment