Re: Problems with btdun branch

[Dan Williams <dcbw redhat com>]

On Wed, 2010-02-17 at 14:24 +0100, van Schelve wrote:
> On Wed, 17 Feb 2010 11:55:44 +0000, Bastien Nocera <hadess hadess net>
> wrote:
> > On Tue, 2010-02-16 at 15:03 -0800, Dan Williams wrote:
> >> On Tue, 2010-02-16 at 11:17 +0100, van Schelve wrote:
> >> > Hi.
> >> > 
> >> > I want to tryout the btdun branch to see how the work that is in
> there
> >> > works an can be used in the filed.
> >> > Therefore I compiled the btdun branch of network-manager and
> >> > network-manager-applet under Ubuntu lucid.
> >> > 
> >> > Now, when pairing the bluetooth mobile using bluetooth-wizard there
> is
> >> > a
> >> > new checkbox:
> >> > "Access the Internet using your mobile phone (DUN)"
> >> > When activating this checkbox bluetooth-wizard freezes. When starting
> >> > bluetooth-wizard from command-line I see the following messages when
> >> > trying
> >> > to activate the checkbox:
> >> > 
> >> > ** Message: dun_start: starting DUN device discovery...
> >> > 
> >> > (bluetooth-wizard:2663): GLib-GObject-WARNING **: cannot register
> >> > existing
> >> > type `BlingSpinner'
> >> 
> >> What do you get for:
> >> 
> >> grep -r "BlingSpinner" /usr/lib/gnome-bluetooth/plugins
> >> 
> >> or
> >> 
> >> grep -r "BlingSpinner" /usr/lib64/gnome-bluetooth/plugins
> >> 
> >> ?  Maybe we just need to rename it so it doesn't use a common name and
> >> is private to NM.  Since the plugins are shared objects we do have to
> be
> >> careful about the types we register with glib.
> > 
> > That would probably happen if you don't export the BlingSpinner symbol
> > from your plugin, and use it against an older gnome-bluetooth.
> > 
> > gnome-bluetooth in master (and the latest release) uses the spinner I
> > put in GTK+.
> > 
> > Cheers
> 
> Hm, after rebuilding the packages again I was able to do the pairing
> successfully.
> There is an entry in nm-applet for the bluetooth mobile and under this the
> available
> connections are listed. Great!
> 
> But there are now two new questions:
> 
> 1. As it looks to me it is not possible to use an existing nm system
> connection. Is this correct?

No, this should be possible as long as the configuration is there.  If
not, that's a bug.  At this point only the 'keyfile' plugin allows
bluetooth configuration.

> 2. To bring up a bt based connection I need to dial it twice. After
> selecting the connection the first time
> nm-applet seems to loop but nothing happens. But when I disconnect and
> then connect again to the same connection
> it comes up.

> I have captured some debug output. I don't know if it's a good idea to
> post these long logs here. Therefore I put
> it on pastebin:
> 
> http://pastebin.com/m5c9ad0f4 for network-manager debug and
> http://pastebin.com/m4a0be7b3 for modem-manager debug

The line:

NetworkManager: modem_prepare_result: assertion `state == NM_DEVICE_STATE_CONFIG' failed

is a bug in NM.  Need to fix that; I think this got broken due to the
PIN fixing changes when I merged master last week.

Dan