2010/7/28 Ming Lei <tom.leiming@xxxxxxxxx>: > Hi, > > 'Unknown symbol in module' happens after the actions below: > > rmmod ehci-hcd > modprobe ehci-hcd > The issue is caused by returning failure of debugfs_create_dir, and which may be fixed by replacing debugfs_remove with debugfs_remove_recursive in ehci_hcd_cleanup. Why does insmod show 'Unknown symbol in module' when module .init return -ENOENT? The message does make us confused. -- Lei Ming -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html