Re: [Bluez-devel] Unexpected error / chronology trying to extract sdp handles

Marcel Holtmann
2008-07-22T13:20:34Z

Hi Pierre-Yves,

> I'm running v3.34. I know it's not the latest. But I've observed what I
> describe below on virtually any previous 3.x version.
>
> Somewhere in my code, I perform a call to
> Adapter.GetRemoteServiceHandles(btAddress, match). This call blocks as
> expected. A few seconds later, I get a RemoteDeviceConnected signal.
> Great, looking good. But about 30s after the first call,
> GetRemoteServiceHandles finally returns, by throwing a
> ConnectionAttemptFailed. The RemoteDeviceDisconnected event arrives at
> the same time than the expection.
>
> How can I get I get a ConnectionAttempFailed while I have received a
> "Connected" signal previously? Is it to be expected? How should such
> apparent non-sense be dealt with? Or perhaps I'm mislead by the
> (apparently obvious) "ConnectionAttemptFailed" name?

the SDP connection establishment might fail. This is different from from
any low-level ACL link that you see. Run hcidump -X -V and see what
actually does happen.

Regards

Marcel