(gdb) run
Starting program: /usr/local/bin/ardour
[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 3355)]
[New Thread 32769 (LWP 3356)]
[New Thread 16386 (LWP 3357)]
Ardour/GTK 0.9beta27
   (built using 0.578.0 with libardour 0.877.1)
Copyright (C) 1999-2005 Paul Davis
Some portions Copyright (C) Steve Harris, Ari Johnson, Brett Viren, Joel Baker
Ardour comes with ABSOLUTELY NO WARRANTY
not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
This is free software, and you are welcome to redistribute it
under certain conditions; see the source for copying conditions.
Loading UI configuration file /usr/local/etc/ardour/ardour_ui.rc
Loading system configuration file /usr/local/etc/ardour/ardour_system.rc
Loading user configuration file /home/neil/.ardour/ardour.rc
Use of deprecated SAXv1 function internalSubset
ardour: [WARNING]: Your system generates "Mod2" when the NumLock key is pressed. This can cause problems when editing so Ardour will use Mod3 to mean Meta rather than Mod2
[New Thread 32771 (LWP 3358)]
[New Thread 49156 (LWP 3359)]
Loading session /workB/testone using snapshot testone
[New Thread 65541 (LWP 3360)]
[New Thread 81926 (LWP 3361)]
[New Thread 98311 (LWP 3362)]
session going away
Loading session /workB/testone using snapshot testone
[New Thread 114696 (LWP 3402)]
[New Thread 131081 (LWP 3403)]
[New Thread 147466 (LWP 3404)]
 
Program received signal SIGINT, Interrupt.
[Switching to Thread 16386 (LWP 3357)]
0x4ef3ac1b in sigsuspend () from /lib/i686/libc.so.6
(gdb) thread apply all bt
 
Thread 11 (Thread 147466 (LWP 3404)):
#0  0x4efe66fa in poll () from /lib/i686/libc.so.6
#1  0x08689536 in ARDOUR::Session::feedback_thread_work() (this=0x8c04288)
    at session_feedback.cc:137
#2  0x086894a7 in ARDOUR::Session::_feedback_thread_work(void*) (arg=0x8c04288)
    at session_feedback.cc:112
#3  0x4f19adb2 in pthread_start_thread () from /lib/i686/libpthread.so.0
#4  0x4f19af45 in pthread_start_thread_event () from /lib/i686/libpthread.so.0
#5  0x4efef79a in clone () from /lib/i686/libc.so.6
 
Thread 10 (Thread 131081 (LWP 3403)):
#0  0x4efe66fa in poll () from /lib/i686/libc.so.6
#1  0x0868def8 in ARDOUR::Session::midi_thread_work() (this=0x8c04288)
    at session_midi.cc:1238
#2  0x0868dc83 in ARDOUR::Session::_midi_thread_work(void*) (arg=0x8c04288)
    at session_midi.cc:1170
#3  0x4f19adb2 in pthread_start_thread () from /lib/i686/libpthread.so.0
#4  0x4f19af45 in pthread_start_thread_event () from /lib/i686/libpthread.so.0
#5  0x4efef79a in clone () from /lib/i686/libc.so.6
 
Thread 9 (Thread 114696 (LWP 3402)):
#0  0x4efe66fa in poll () from /lib/i686/libc.so.6
---Type <return> to continue, or q <return> to quit---
#1  0x0866014e in ARDOUR::Session::butler_thread_work() (this=Error accessing memory address 0x4595bd6c: No such process.
)
    at session_butler.cc:183
Error accessing memory address 0x4595bd6c: No such process.
Cannot fetch general-purpose registers for thread 16386: generic error
(gdb)