"Regarding the bug summary - 'common_desktop_menu()' doesn't exist in stock
xfdesktop. This sounds like this is due to an Ubuntu-specific patch. Please
ask the reporter to try to reproduce the bug with vanilla xfdesktop sources
from xfce.org. If it's still there, reopen this bug."
This seems to be Xubuntu only :
"Regarding the bug summary - 'common_ desktop_ menu()' doesn't exist in stock
xfdesktop. This sounds like this is due to an Ubuntu-specific patch. Please
ask the reporter to try to reproduce the bug with vanilla xfdesktop sources
from xfce.org. If it's still there, reopen this bug."
Lionel could you please have a look ?