henri@henri-HP-Compaq-8000-Elite-USDT-PC:~$ gdb
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(gdb) core-file core
[New LWP 7056]
[New LWP 7086]
[New LWP 7096]
[New LWP 7099]
[New LWP 7085]
[New LWP 7087]
[New LWP 7097]
[New LWP 7098]
[New LWP 7106]
[New LWP 7095]
[New LWP 7067]
[New LWP 7068]
[New LWP 7062]
[New LWP 7065]
[New LWP 7072]
[New LWP 7064]
[New LWP 7063]
Core was generated by `/opt/Ardour-6.3.0/bin/ardour-6.3.0'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0xb797e948 in ?? ()
[Current thread is 1 (LWP 7056)]
(gdb) thread apply all bt

Thread 17 (LWP 7063):
#0  0xb7ee7cf5 in ?? ()
#1  0x00000011 in ?? ()
#2  0x00000011 in ?? ()
#3  0x00000000 in ?? ()

Thread 16 (LWP 7064):
#0  0xb7ee7cf5 in ?? ()
Backtrace stopped: Cannot access memory at address 0xb585348d

Thread 15 (LWP 7072):
#0  0xb7ee7cf5 in ?? ()
Backtrace stopped: Cannot access memory at address 0x6

Thread 14 (LWP 7065):
#0  0xb7ee7cf5 in ?? ()
#1  0xb7e3ffe4 in ?? ()
#2  0x00000008 in ?? ()
#3  0x6c616e41 in ?? ()
#4  0x72657379 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

---Type <return> to continue, or q <return> to quit---
Thread 13 (LWP 7062):
#0  0xb7ee7cf5 in ?? ()
#1  0xb7f0d918 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 12 (LWP 7068):
#0  0xb7ee7cf5 in ?? ()
Backtrace stopped: Cannot access memory at address 0xb585348d

Thread 11 (LWP 7067):
#0  0xb7ee7cf5 in ?? ()
Backtrace stopped: Cannot access memory at address 0xb585348d

Thread 10 (LWP 7095):
#0  0xb7ee7cf5 in ?? ()
#1  0xb7594ae7 in ?? ()
#2  0x01dc9cc8 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 9 (LWP 7106):
#0  0xb7ee7cf5 in ?? ()
Backtrace stopped: Cannot access memory at address 0xb5853c59

---Type <return> to continue, or q <return> to quit---
Thread 8 (LWP 7098):
#0  0xb7ee7cf5 in ?? ()
Backtrace stopped: Cannot access memory at address 0xf

Thread 7 (LWP 7097):
#0  0xb7ee7cf5 in ?? ()
Backtrace stopped: Cannot access memory at address 0x5

Thread 6 (LWP 7087):
#0  0xb7ee7cf5 in ?? ()
Backtrace stopped: Cannot access memory at address 0x5

Thread 5 (LWP 7085):
#0  0xb7ee7cf5 in ?? ()

Thread 4 (LWP 7099):
#0  0xb7ee7cf5 in ?? ()
#1  0xb6b922fa in ?? ()
#2  0x02dac040 in ?? ()
#3  0xb4f881ae in ?? ()

Thread 3 (LWP 7096):
#0  0xb7ee7cf5 in ?? ()
---Type <return> to continue, or q <return> to quit---
Backtrace stopped: Cannot access memory at address 0x8

Thread 2 (LWP 7086):
#0  0xb7ee7cf5 in ?? ()

Thread 1 (LWP 7056):
#0  0xb797e948 in ?? ()
#1  0x05a47e80 in ?? ()
#2  0xb7a718ee in ?? ()
#3  0x05a47aa8 in ?? ()
#4  0xb7a7a596 in ?? ()
#5  0x0286b000 in ?? ()
#6  0x0083d1a0 in ?? ()
#7  0xbfdb123c in ?? ()
#8  0x0083f148 in ?? ()
#9  0x0274c7a8 in ?? ()
#10 0x00840ab8 in ?? ()
#11 0x0274c7a8 in ?? ()
#12 0x008410da in ?? ()
#13 0x0274c7a8 in ?? ()
#14 0x00f52170 in ?? ()
#15 0x0274c7a8 in ?? ()
#16 0x00f6a528 in ?? ()
---Type <return> to continue, or q <return> to quit---
#17 0x02fca000 in ?? ()
#18 0xb6c8f27b in ?? ()
(gdb) Quit
(gdb)