[Bluez-devel] BlueZ not responding to dbus

["Heston James - Cold Beans" <heston.james@coldbeans.co.uk>]

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Good morning guys,

 

I've tried discussing this on IRC over the past couple of days,
unfortunately my  net connection here is a little sketchy and I seem to drop
off the channel before I get chance to discuss it properly with anyone.

 

At the moment I can only describe the symptoms I've been seeing and with any
luck you'll be able to help me debug and diagnose the root cause of the
problem.

 

The problem seems to occur when performing an inquiry (periodic) when there
are many devices present, when performing the same operations during quieter
times in the office we don't seem to see this issue, however, when staff
here and in the neighbouring office turn up we start having problems.

 

Essentially it would seem that all other calls to the bluez dbus interfaces
results in the following error:

 

"DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply.
Possible causes include: the remote application did not send a reply, the
message bus security policy blocked the reply, the reply timeout expired, or
the network connection was broken."

 

This is true for seemingly any calls I try to make, whether it be
GetAddress(), DefaultAdapter(),GetRemoteServiceHandles() or seemingly even
any of the operations invoked by obex-data-server.

 

Once I start to receive these errors, I kill my application and then try to
relaunch it and I receive:

 

"ERROR:dbus.proxies:Introspect error on :1.0:/org/bluez:
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not
receive a reply. Possible causes include: the remote application did not
send a reply, the message bus security policy blocked the reply, the reply
timeout expired, or the network connection was broken."

 

Can anyone give me any idea as to whether this is normal behaviour? Or is
this due to me doing something wrong with the Bluetooth stack? I've been
testing this with BlueZ 3.36 on Kernel 2.6.25 and dbus 1.2 and I'm using the
BlueZ 3.x API.

 

I'd really appreciate any and all suggestions on this guys, I'm open to any
ideas J

 

Cheers.

 

Heston


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