Re: [xine-devel] Segfault in xine_open() with UDP mrl - more info

[Rett D. W. <re...@rt...>]

Hi Michael:

> xine_log() seems to be called with a format string
> requiring three more
> parameters (the filename string, the port number and the
> interface string),
> but there is not a single parameter following. This might
> be some gcc
> optimization biting gdb here, but it might also be some
> severe corruption.
>
> I suggest you try running oxine through valgrind and see
> errors it finds.
> (since xine is multi-threaded, you might need the
> --trace-children=3Dyes option)

Well, I tracked down the issue to the interface member of
the rtp_input_plugin_t struct not being set correctly when
called from oxine.  The workaround is to specify an
interface in the MRL with the ?iface=3Dxxxx parm.

Upgrading to xine-lib-1-rc6a cleaned up the backtrace so
that it was a little easy to track down that there was a
bogus value coming from somewhere.  I am not sure why this
is getting corrupt if its not specified, but I am working
on it (none of the other frontends I have tried have
issues).  At least I found a workaround.

Thanks a bunch for your help, I learned alot about
debugging and xine-lib internals.

Rett