Are you sure that you started gnome-volume-manager with option '-n'?
If so, can you please do
killall gnome-volume-manager strace -o gvm.trace gnome-volume-manager -n
and attach gvm.trace here?
Are you sure that you started gnome-volume- manager with option '-n'?
If so, can you please do
killall gnome-volume- manager manager -n
strace -o gvm.trace gnome-volume-
and attach gvm.trace here?