Core was generated by `/usr/lib/ardour3/ardour-3.5.308~dfsg-1'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00000000004ae177 in ?? () (gdb) thread apply all bt Thread 19 (LWP 7486): #0 0x00007f875cd06f3d in ?? () #1 0x0000000000000000 in ?? () Thread 18 (LWP 7522): #0 0x00007f875cd06f3d in ?? () #1 0x0000000000000000 in ?? () Thread 17 (LWP 7521): #0 0x00007f875cd3312d in ?? () #1 0x0000000000000000 in ?? () Thread 16 (LWP 7515): #0 0x00007f875df8d680 in ?? () #1 0x0000000002ddabc0 in ?? () #2 0x00007f8762ccd27d in ?? () #3 0x00000000020982a0 in ?? () #4 0x00007f8762e375c5 in ?? () #5 0x0000000000000000 in ?? () Thread 15 (LWP 7525): #0 0x00007f875df8b7ce in ?? () #1 0x0000000000000000 in ?? () Thread 14 (LWP 7516): #0 0x00007f875df8eb9d in ?? () #1 0x0000000000000000 in ?? () Thread 13 (LWP 7520): #0 0x00007f875cd3312d in ?? () #1 0x0000000000000000 in ?? () Thread 12 (LWP 7513): #0 0x00007f875df8b414 in ?? () #1 0x0000000000000002 in ?? () #2 0x00000000021ff1b0 in ?? () #3 0x00000000021ff180 in ?? () #4 0x0000000000000002 in ?? () #5 0x00007f8724001958 in ?? () #6 0x00007f874d163d5a in ?? () #7 0x0000000000000000 in ?? () Thread 11 (LWP 7514): #0 0x00007f875df8e3bd in ?? () #1 0x0000000000000002 in ?? () #2 0x00007f874d164cf6 in ?? () #3 0x0000000000000002 in ?? () #4 0x000000044d164dda in ?? () #5 0x00007f872c6eaa50 in ?? () #6 0x00007f8728003c60 in ?? () #7 0x00007f872c6eaa48 in ?? () #8 0x000001012c6eaa50 in ?? () #9 0x00007f872c6eaa10 in ?? () #10 0x00007f874d168287 in ?? () #11 0x00007f8728003c60 in ?? () #12 0x00007f872c6eaa50 in ?? () #13 0x0000000000000000 in ?? () Thread 10 (LWP 7491): #0 0x00007f875cd3312d in ?? () #1 0x0000000000000000 in ?? () Thread 9 (LWP 7492): #0 0x00007f875cd3312d in ?? () #1 0x0000000000000000 in ?? () Thread 8 (LWP 7487): #0 0x00007f875df8b414 in ?? () #1 0x0000000600000000 in ?? () #2 0x0000000001a31a90 in ?? () #3 0x0000000001a31ad0 in ?? () #4 0x000000000000000c in ?? () #5 0x0000000003addd20 in ?? () #6 0x00007f87612b3bf7 in ?? () #7 0x0000000003addd20 in ?? () #8 0x00007f87631c7160 in ?? () #9 0x00007f87631c7140 in ?? () #10 0x00007f8762e74f0b in ?? () #11 0x0000000000000000 in ?? () Thread 7 (LWP 7489): #0 0x00007f875df8b414 in ?? () #1 0x0000000000000000 in ?? () Thread 6 (LWP 7490): #0 0x00007f875cd3312d in ?? () #1 0x0000000000000000 in ?? () Thread 5 (LWP 7519): #0 0x00007f875df8d680 in ?? () #1 0x0000000002ddab80 in ?? () #2 0x00007f8762ccd03b in ?? () #3 0x00007f86f00008c0 in ?? () #4 0x0000000002ddaad0 in ?? () #5 0x00007f86f00008c0 in ?? () #6 0x0000000000000001 in ?? () #7 0x0000000000000001 in ?? () #8 0x00007f872c1d79c0 in ?? () #9 0x00007f872c1d7700 in ?? () #10 0x00007f8762ccd0e8 in ?? () #11 0x0000000000000001 in ?? () #12 0x0000000002dda540 in ?? () #13 0x00007f872c1d6be0 in ?? () #14 0x00007f874d39db28 in ?? () #15 0x0000000000000000 in ?? () Thread 4 (LWP 7488): #0 0x00007f875df8b414 in ?? () #1 0x0000000600000000 in ?? () #2 0x0000000001a31a90 in ?? () #3 0x0000000001a31ad0 in ?? () #4 0x000000000000000c in ?? () #5 0x0000000003abf910 in ?? () #6 0x00007f87612b3bf7 in ?? () #7 0x0000000003abf910 in ?? () #8 0x00007f87631c7160 in ?? () #9 0x00007f87631c7140 in ?? () #10 0x00007f8762e74f0b in ?? () #11 0x0000000000000000 in ?? () Thread 3 (LWP 7518): #0 0x00007f875df8d680 in ?? () #1 0x0000000002ddab80 in ?? () #2 0x00007f8762ccd03b in ?? () #3 0x00007f86f80008c0 in ?? () #4 0x0000000002ddaad0 in ?? () #5 0x00007f86f80008c0 in ?? () #6 0x0000000000000001 in ?? () #7 0x0000000000000001 in ?? () #8 0x00007f872c2d79c0 in ?? () #9 0x00007f872c2d7700 in ?? () #10 0x00007f8762ccd0e8 in ?? () #11 0x0000000000000001 in ?? () #12 0x0000000002dda830 in ?? () #13 0x00007f872c2d6be0 in ?? () #14 0x00007f874d39db28 in ?? () #15 0x0000000000000000 in ?? () Thread 2 (LWP 7517): #0 0x00007f86fd1d957a in ?? () #1 0x0000000000000300 in ?? () #2 0x0000000003f483d0 in ?? () #3 0x0000000000000400 in ?? () #4 0x0000000000000c00 in ?? () #5 0x00007f86fd1eca86 in ?? () #6 0x0000000000ec4a60 in ?? () #7 0x0000000000a5a580 in ?? () #8 0x000000003f800000 in ?? () #9 0x0000000000000000 in ?? () Thread 1 (LWP 7466): #0 0x00000000004ae177 in ?? () #1 0x0000000001c132e8 in ?? () #2 0x0000000000000006 in ?? () #3 0x0000001000000006 in ?? () #4 0x0000000001c10810 in ?? () #5 0x0000000001c132e8 in ?? () #6 0x0000000000000001 in ?? () #7 0x0000000000000000 in ?? ()