[Ardour-Dev] [Ardour-Users] Crash when moving meter change (was: Ardour 2.0.5 released)

[h.aling at home.nl]

---- h.aling at home.nl schrijft: 
> ---- Steven Chamberlain <steven at pyro.eu.org> schrijft: 
> > h.aling at home.nl wrote:
> > > 1 Create a new project
> > > 2 Add an audio track
> > > 3 record some silence
> > > 4 create a new meter in your project (for example a 3/4 beat somewhere in your project)
> > > 5 drag and drop the meter somewhere
> > 
> > > "subgraph starting at ardour timed out (subgraph_wait_fd=12, status = 0, state = Triggered)
> > > **** alsa_pcm: xrun of at least 0.039 msecs
> > 
> > Strange, this is from JACK, but maybe the process callback in Ardour
> > locks up...
> > 
> > > cannot read event response from client [ardour] (Connection reset by peer)
> > > bad status for client event handling (type = 8)
> > > cannot send event to client [ardour] (Broken pipe)
> > > bad status for client event handling (type = 8)
> > > Illegal instruction (core dumped)"
> > 
> > > Can anyone reproduce this error? (I'm on Ubuntu 7.04)
> > 
> > I am following 2.0-ongoing SVN, which I believe is the same code as
> > 2.0.5 so far.  I had a go, and I couldn't reproduce this by following
> > those steps after three attempts.  Does it happen *every* time, for you?
> 
> Jep.
> 
> I've got some sort of backtrace...
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1238415664 (LWP 19436)]
> 0x0855c338 in idle_delete<Marker> (obj=0xb3d91e40) at libs/gtkmm2ext/gtkmm2ext/doi.h:27
> 27      template<typename T> gint idle_delete (T *obj) { delete obj; return FALSE; }
> (gdb) jackd watchdog: timeout - killing jackd
> 
> Running gdb again with the core file got me this:
> 
> GNU gdb 6.6-debian
> Copyright (C) 2006 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i486-linux-gnu"...
> Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
> 
> warning: core file may not match specified executable file.
> Core was generated by `/usr/bin/jackd -T -ndefault -R -P80 -dalsa -dhw:1 -r44100 -p128 -n2'.

Reading this (again) makes me think that either jackd cause the crash, or I have the wrong backtrace?

-H-