[maemo-developers] [maemo-developers] Is this a bug in python-osso ? (osso rpc call with argument)

[From: Kimmo Hämäläinen]

On Sun, 2007-02-11 at 12:36 +0100, ext Pierre Amadio wrote:
> Hi there.
> 
> As a followup of my previous message (problem using dbus rpc call with
> argument in python) i decided to give rpc_async_run a try instead of
> rpc_run.
> 
> Now, not only it 'does not work', but pyhton2.5 segfault as well.
> 
> I guess i did something wrong like not having an osso context properly
> set or something like this, but i also feel it should be up to libosso
> or python-osso to check the argument it use ar ok, shouldnt it ?

You could try using
osso_c = osso.Context("spam.eggs.osso_test_receiver", "0.0.1", False)
instead of
osso_c = osso.Context("osso_test_receiver", "0.0.1", False)

Because otherwise Libosso will assign the D-Bus service name
com.nokia.osso_test_receiver for you ('com.nokia' is the default).

BR; Kimmo

> 
> I have attached a test cased based on :
> http://maemo.org/platform/docs/python-bora/python_maemo_howto.html#Introduction+to+LibOSSO
> 
> I also try to catch a backtrace, with 'gdb /usr/bin/python2.5  core' ,
> but i m not that familiar with gdb, nor do i know where to get the
> python-osso debug symbols.
> 
> Anyway, the begining of the backtrace looks like this:
> #0  0xb72d068c in _python_to_rpc_t () from /usr/lib/python2.5/site-packages/osso/rpc.so
> #1  0xb72cfc61 in Context_rpc_run_with_defaults () from /usr/lib/python2.5/site-packages/osso/rpc.so
> #2  0xb79f09b9 in osso_rpc_run () from /usr/lib/libosso.so.1
> 
> Am i wrong in thinking there is something wrong in python-osso ?
> I use python2.5-osso 0.2-1osso1.
> 
> _python_to_rpc_t is defined in python-osso/src/osso-helper.c, but this
> is where i m stuck at, not understanding what may be wrong there (i
> guess one of the 2 argument being sent has not the right type or size or
> something, but that s about it).
> 
> Any help would be appreciated.
> 
> Pierre Amadio
> _______________________________________________
> maemo-developers mailing list
> maemo-developers at maemo.org
> https://maemo.org/mailman/listinfo/maemo-developers