Thank you Martin.

The problem is, as you referred in your other mail.

> So, if you're in the VMM, you can acces the RAM through
> this object. If you're in another component you would have to request
> the VMM to release the IO_MEM-Region to be able to allocate it through a
> new IO_MEM session.

Regards

Chirag Garg

IIT Madras , Rise Lab

On Tue, May 5, 2015 at 1:43 PM, Martin Stein <martin.stein@...1...> wrote:

Hi Chirag,

On 05.05.2015 07:38, chirag garg wrote:
> It gives me the following fault.
>
> I/O memory [40000000,50000000) not available
> Local MMIO mapping failed!
> [init -> tz_vmm] C++ runtime: Genode::Parent::Service_denied

You can take this fault as a starting point by searching (e.g. via grep)
for "I/O memory .* not available" in the repositories base and base-hw.
Presumably, this will lead you to the code path that is responsible for
allocating MMIO regions. From there, you might be able to trace back
were your region gets "lost" and to whom.

Cheers,
Martin

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