./ardbg
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Reading symbols from ./../build/gtk2_ardour/ardour-6.0.pre0.153...done.
(gdb) run
Starting program: /opt/other/ardour/ardour/build/gtk2_ardour/ardour-6.0.pre0.153
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Fontconfig warning: "/etc/fonts/conf.d/65-ttf-sil-andika.conf", line 14: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/65-ttf-sil-andika.conf", line 32: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/65-ttf-sil-andika.conf", line 32: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/65-ttf-sil-andika.conf", line 32: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/65-ttf-sil-andika.conf", line 32: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/65-ttf-sil-andika.conf", line 32: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/65-ttf-sil-andika.conf", line 32: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/65-ttf-sil-andika.conf", line 32: Having multiple <family> in <alias> isn't supported and may not work as expected
bind txt domain [gtk2_ardour6] to /usr/local/share/ardour6/locale
Ardour6.0.pre0.153 (built using 6.0-pre0-158-gf0f822fef and GCC version 7.2.0)
ardour: [INFO]: Your system is configured to limit Ardour to only 4096 open files
ardour: [INFO]: Loading system configuration file /opt/other/ardour/ardour/system_config
ardour: [INFO]: Loading user configuration file /home/mendred/.config/ardour6/config
[New Thread 0x7fffdf503700 (LWP 6372)]
ardour: [INFO]: CPU vendor: GenuineIntel
ardour: [INFO]: CPU brand: Intel(R) Core(TM) i7 CPU       Q 740  @ 1.73GHz
ardour: [INFO]: Using SSE optimized routines
[New Thread 0x7fffded02700 (LWP 6373)]
[New Thread 0x7fffde501700 (LWP 6374)]
[New Thread 0x7fffddd00700 (LWP 6375)]
[New Thread 0x7fffce2df700 (LWP 6376)]
[New Thread 0x7fffcdade700 (LWP 6377)]
ardour: [INFO]: Loading default ui configuration file /opt/other/ardour/ardour/build/gtk2_ardour/default_ui_config
[New Thread 0x7fffc6412700 (LWP 6378)]
[New Thread 0x7fffc5c11700 (LWP 6379)]
[New Thread 0x7fffc5410700 (LWP 6380)]
[New Thread 0x7fffc4c0f700 (LWP 6381)]
Color shuttle bg not found
ardour: [INFO]: Loading color file /opt/other/ardour/ardour/gtk2_ardour/themes/dark-ardour.colors
ardour: [INFO]: Loading ui configuration file /opt/other/ardour/ardour/build/gtk2_ardour/clearlooks.rc
ardour: [INFO]: Loading ui configuration file /opt/other/ardour/ardour/build/gtk2_ardour/clearlooks.rc
[New Thread 0x7fffcc096700 (LWP 6382)]
[New Thread 0x7fffc40f1700 (LWP 6383)]
[Thread 0x7fffc40f1700 (LWP 6383) exited]
[Thread 0x7fffcc096700 (LWP 6382) exited]
[New Thread 0x7fffab0e8700 (LWP 6384)]
[New Thread 0x7fffaa6e1700 (LWP 6385)]
[New Thread 0x7fffa9ee0700 (LWP 6386)]
[New Thread 0x7fffa96df700 (LWP 6387)]
[New Thread 0x7fffa8ede700 (LWP 6388)]
Found nothing along /home/mendred/.config/ardour6/templates:./../templates:./../build/templates:./../gtk2_ardour/templates:./../build/gtk2_ardour/templates:./templates
run dialog
[New Thread 0x7fff93fff700 (LWP 6389)]
[Thread 0x7fffa8ede700 (LWP 6388) exited]
[Thread 0x7fffa96df700 (LWP 6387) exited]
[Thread 0x7fffa9ee0700 (LWP 6386) exited]
[Thread 0x7fffaa6e1700 (LWP 6385) exited]
[Thread 0x7fffc4c0f700 (LWP 6381) exited]
[Thread 0x7fffc5410700 (LWP 6380) exited]
[New Thread 0x7fffaa6e1700 (LWP 6391)]
[Thread 0x7fffaa6e1700 (LWP 6391) exited]
[New Thread 0x7fffcc096700 (LWP 6392)]
[New Thread 0x7fffc510f700 (LWP 6393)]
[New Thread 0x7fffc4e95700 (LWP 6394)]
protocol PreSonus FaderPort active ? 0
protocol Generic MIDI active ? 0
protocol PreSonus FaderPort8 active ? 0
protocol Open Sound Control (OSC) active ? 0
protocol Steinberg CC121 not found
protocol Ableton Push 2 active ? 0
protocol Mackie active ? 0
*** Error in `/opt/other/ardour/ardour/build/gtk2_ardour/ardour-6.0.pre0.153': free(): invalid pointer: 0x00007fffffffe844 ***

Thread 1 "ardour-6.0.pre0" received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
51      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) thread apply all bt

Thread 23 (Thread 0x7fffc4e95700 (LWP 6394)):
#0  0x00007ffff06a6220 in futex_abstimed_wait_cancelable (private=128, abstime=0x7fffc4e94ae0, expected=0, futex_word=0x7fffccdfc000) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  0x00007ffff06a6220 in do_futex_wait (sem=sem@entry=0x7fffccdfc000, abstime=abstime@entry=0x7fffc4e94ae0) at sem_waitcommon.c:111
#2  0x00007ffff06a62ff in __new_sem_wait_slow (sem=sem@entry=0x7fffccdfc000, abstime=abstime@entry=0x7fffc4e94ae0) at sem_waitcommon.c:181
#3  0x00007ffff06a640f in sem_timedwait (sem=0x7fffccdfc000, abstime=0x7fffc4e94ae0) at sem_timedwait.c:39
#4  0x00007fffccbad3bc in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fffccb91a7c in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007fffccb903c7 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#7  0x00007fffcd0a6f62 in ARDOUR::JACKAudioBackend::process_thread() (this=0x5555570143c0) at ../libs/backends/jack/jack_audiobackend.cc:965
#8  0x00007fffcd0a6eee in ARDOUR::JACKAudioBackend::_process_thread(void*) (arg=0x5555570143c0) at ../libs/backends/jack/jack_audiobackend.cc:944
#9  0x00007fffccb9033a in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#10 0x00007fffccbac5e0 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#11 0x00007ffff069c7fc in start_thread (arg=0x7fffc4e95700) at pthread_create.c:465
#12 0x00007fffeefc0a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fffc510f700 (LWP 6393)):
#0  0x00007ffff06a6d5d in __libc_read (fd=22, buf=0x7fffc510ea50, nbytes=4) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fffccbae1f4 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffccbb0cdc in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffccbac5e0 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff069c7fc in start_thread (arg=0x7fffc510f700) at pthread_create.c:465
#5  0x00007fffeefc0a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fffcc096700 (LWP 6392)):
#0  0x00007ffff06a3072 in futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x555557612678) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ffff06a3072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555557612620, cond=0x555557612650) at pthread_cond_wait.c:502
#2  0x00007ffff06a3072 in __pthread_cond_wait (cond=0x555557612650, mutex=0x555557612620) at pthread_cond_wait.c:655
#3  0x00007fffccbad9ec in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffccba4728 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fffccbac5e0 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007ffff069c7fc in start_thread (arg=0x7fffcc096700) at pthread_create.c:465
#7  0x00007fffeefc0a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95