I'm not sure how but it appears that sometimes after I stop autofs service, the module usage count goes negative so the module can't be removed anymore. This happens on 3.0.29 kernel on which I'm testing stuff with the user<=>kernel interface problem on mixed 32/64bit environment, but I don't see any changes related to this in more recent kernels. Current situation I have: $ lsmod | grep auto autofs4 22422 2147483647 It happened when I stopped automount (using /etc/init.d/autofs stop), before this action the module had 1 usage count (with only one automount map/mount in use). Before, when the daemon were stucking all the time, I had to kill -9 it, and the usage count was decremented correctly. It looks like something is decrementing the usage count twice on the regular path, and only once on error path. Thanks, /mjt -- To unsubscribe from this list: send the line "unsubscribe autofs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html