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Cann't make connection to a graphics IOService "IOFramebuffer"

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Cann't make connection to a graphics IOService "IOFramebuffer"

Subject: Cann't make connection to a graphics IOService "IOFramebuffer"
From: Amit Gupta <email@hidden>
Date: Fri, 15 Apr 2005 17:14:25 +0530

I am trying to execute the code written below.
Here IOServiceOpen is giving error   -536870203
Can any one tell the reason for this error.

kern_return_t err;
mach_port_t masterPort;
io_iterator_t itThis;
io_service_t service;
io_connect_t connect;

err = IOMasterPort(bootstrap_port, &masterPort); err = IOServiceGetMatchingServices(masterPort, IOServiceMatching("IOFramebuffer"), &itThis); service = IOIteratorNext(itThis);

err = IOServiceOpen(service, mach_task_self(), kIOFBServerConnectType, &connect);

Thanks
Amit

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