Hi,
Thanks for your bug report.
By looking at your screenshot, I think that hal isn't running/has crashed, so
you won't have any volume management in thunar... Try to restart it (sudo start
hal), then volume management should be back. If you manage to obtain a
backtrace for hal, please file a b
** Attachment added: "Error dialog"
http://launchpadlibrarian.net/39296392/Screenshot.png
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/39296393/Dependencies.txt
** Attachment added: "XsessionErrors.txt"
http://launchpadlibrarian.net/39296394/XsessionErrors.txt