site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com Godfrey On Feb 2, , at 15:34, Brian Jorgage wrote: I am now able to find instances of my driver via IOServiceGetMatchingServices(). Next step is to open a connection using IOServiceOpen(). However return code is kIOReturnNoMemory. I have scanned http://developer.apple.com on this but haven't found an explanation/correction for this. _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.a... Have you written a user client yet. The NoMemory means that the system couldn't allocate the class you have defined in your drivers plist, or your nub which ever you are connecting too. This email sent to site_archiver@lists.apple.com