I notice if I launch GOK from gdmgreeter and then pick "Configure the login program" choice from the menu, then pick any choice that causes the GUI to
restart (e.g. change from "Plain Greeter to "Themed Greeter" in the Local tab)
that this causes GDM to hang.  You can't do anything except, perhaps, restart the Xserver by hitting Control-Alt-Delete twice.

Probably GDM needs to be enhanced to kill any running AT programs when doing a restart.

I also notice that GOK doesn't seem to notice that gdmsetup is running and you can't use GOK with gdmsetup at all.  This may be a problem with the GDM window manager not communicating to GOK that a new window has focus, or may be a bug with GOK.

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To see this, you need to enable accessibility in the GDM configuration (check the Enable Accessibility checkbox in the Accessibility tab in gdmsetup).  Also, in order for gok to run, you need to setup a writable $HOME directory for the gdm user - or apply the GOK patch in bug #406803 which fixes GOK so it doesn't need a writable $HOME directory.

I also add the following line to /etc/X11/gdm/modules/AccessKeyMouseEvents so I can hit <control>k once to launch GOK:

<Control>k  1 0 10000  /bin/sh -c "/usr/bin/ctrun -l child -i none /usr/bin/gok
--login --access-method=directselection"

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