Что сообщает, если запустить ее в консоли?
ardour6
WARNING: Your system has a limit for maximum amount of locked memory!
This might cause Ardour to run out of memory before your system runs
out of memory. You can view the memory limit with 'ulimit -l', and it
is normally controlled by /etc/security/limits.conf
WARNING: Could not check your glib-2.0 for mutex locking atomic operations.
bind txt domain [gtk2_ardour6] to /usr/share/ardour6/locale
Ardour6.8.0 (собран, используя 6.8, при помощи GCC версии 10.3.1 20210702 (ALT Sisyphus 10.3.1-alt1))
Ardour: [INFO]: Your system is configured to limit Ardour to 16384 open files
Ardour: [INFO]: Загрузка файла конфигурации /etc/ardour6/system_config
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX-capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: Intel(R) Core(TM) i7-4710HQ CPU @ 2.50GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
Ardour: [INFO]: Loading plugin meta data file /usr/share/ardour6/plugin_metadata/plugin_tags
Ardour: [INFO]: Загрузка файла конфигурации UI по умолчанию /etc/ardour6/default_ui_config
Ardour: [INFO]: Loading 452 MIDI patches from /usr/share/ardour6/patchfiles
Ardour: [INFO]: Загружается файл /usr/share/ardour6/themes/dark-ardour.colors с описанием цветовой схемы
(тут останавливается)^C