Re: [GnomeMeeting-devel-list] segfault calling MCU

[Malcolm Caldwell <malcolm caldwell ntu edu au>]

On Wed, 2005-12-21 at 09:18 +0930, Malcolm Caldwell wrote:
> On Tue, 2005-12-20 at 09:21 +0100, Damien Sandras wrote:
> > Hi,
> > 
> > Le mardi 20 d�mbre 2005 �2:31 +0930, Malcolm Caldwell a �it :
> > > -------- Forwarded Message --------
> > > From: Malcolm Caldwell <malcolm caldwell ntu edu au>
> > > To: GnomeMeeting development mailing list
> > > <gnomemeeting-devel-list gnome org>
> > > Subject: segfault calling MCU
> > > Date: Tue, 20 Dec 2005 12:17:03 +0930
> > > 
> > > Hello,
> > > 
> > > I get a segfault when I call an MCU.  I have tried both a codian and a
> > > tandberg mcu.
> > > 
> > > Here is a backtrace.  (BTW: first attempt fails: see my other post about
> > > gatekeepers)
> > > 
> > 
> > About the gatekeeper, I see this :
> > 2005/12/20 12:04:25.991	  0:05.142	     Transactor:83e4a38	H225RAS
> > Receiving PDU: registrationConfirm 20704
> > 2005/12/20 12:04:25.992	  0:05.143	     Transactor:83e4a38	RAS
> > Registered 8915_cdugk with CharlesDarwinUniversity
> > 
> > Then I see this :
> > 2005/12/20 12:04:26.044	  0:05.195	GMAccounts...r:085caf20	Trans	Making
> > request: unregistrationRequest
> > 
> > Just after :
> > 2005/12/20 12:04:26.023	  0:05.174	     Transactor:83e4a38	SvcCtrl
> > OnChange Call Credit service control  debit 0
> > 
> > Wouldn't it be because the call credit is 0 ?
> 
> No.
> 
> I think the problem is I have two gatekeepers defined.  In the accounts
> window one (gk1) is selected as active and one (gk2) is not.
> 
> At startup I see:
> 
> 08:45:49 Started GnomeMeeting 1.9.0 for user malcolm
> 08:45:50 Registered to gk1.abc.blah
> 08:45:50 Unregistered gk2.abc.blah
> 
> Now gk2 was never registered.  Perhaps gm is seeing that gk2 is
> unselected, goes and unregisters gk1?

Just confirmed.  Deleting the second gk completely fixed the problem.

> 
> > 
> > I'm afraid you will have to :
> > - debug it yourself
> > - or give me your account
> > 
> > As for the backtrace, can I connect to the MCU in some way?
> > 
> > > #1  0x4207ea4c in PTimedMutex::Wait (this=Variable "this" is not
> > > available.
> > > ) at tlibthrd.cxx:1778
> > > #2  0xb77ae5a5 in OpalMediaStream::ExecuteCommand (this=0x863a0f0,
> > >     command= 0xb53f6220) at /usr/include/ptlib/psync.h:111
> > > #3  0xb77b40f6 in OpalMediaPatch::ExecuteCommand (this=0x86be5e0,
> > >     command= 0xb53f6220, fromSink=1)
> > >     at /usr/src/debug/opal-2005.12.19/src/opal/patch.cxx:366
> > > #4  0xb77ae5c8 in OpalMediaStream::ExecuteCommand (this=0x84e8780,
> > >     command= 0xb53f6220)
> > >     at /usr/src/debug/opal-2005.12.19/src/opal/mediastrm.cxx:252
> > > #5  0xb77b3827 in OpalMediaPatch::Sink::ExecuteCommand (this=0x85851f0,
> > >     command= 0xb53f6220)
> > >     at /usr/src/debug/opal-2005.12.19/src/opal/patch.cxx:403
> > > #6  0xb77b40cd in OpalMediaPatch::ExecuteCommand (this=0x86be5e0,
> > >     command= 0xb53f6220, fromSink=0)
> > >     at /usr/src/debug/opal-2005.12.19/src/opal/patch.cxx:370
> > > #7  0xb77ae5c8 in OpalMediaStream::ExecuteCommand (this=0x863a0f0,
> > >     command= 0xb53f6220)
> > >     at /usr/src/debug/opal-2005.12.19/src/opal/mediastrm.cxx:252
> > > #8  0xb77b40f6 in OpalMediaPatch::ExecuteCommand (this=0x86be5e0,
> > >     command= 0xb53f6220, fromSink=1)
> > >     at /usr/src/debug/opal-2005.12.19/src/opal/patch.cxx:366
> > > #9  0xb77ae5c8 in OpalMediaStream::ExecuteCommand (this=0x84e8780,
> > > 
> > > This pattern continues on and on and on.  Perhaps something is wrong with my debug symbols?
> > > 
> > > Attached is a trace.  Note this also includes the problem I mention in my other message about the gatekeeper.
> > > 
> > > 
> > > _______________________________________________
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> > > Gnomemeeting-devel-list gnome org
> > > http://mail.gnome.org/mailman/listinfo/gnomemeeting-devel-list
> 
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