I'm also having this problem. Up until today I used the applet for the GNOME panel to open and unmount shares and USB storage devices. I decided to switch to the docky implementation of that feature and now Docky crashes randomly upon unmounting a Buffalo external harddrive (500 GB).
[Info 09:33:37.075] Docky version: 2.0.5 Release
[Info 09:33:37.087] Kernel version: 2.6.32.24
[Info 09:33:37.087] CLR version: 2.0.50727.1433
Docky 0.1.0.0 - GPL
I'm also having this problem. Up until today I used the applet for the GNOME panel to open and unmount shares and USB storage devices. I decided to switch to the docky implementation of that feature and now Docky crashes randomly upon unmounting a Buffalo external harddrive (500 GB).