.....
Попробуйте ещё запускать audacity и twinkle через padsp:
padsp audacity
padsp twinkle
$ padsp twinkle
ALSA lib pcm_dmix.c:1099:(snd_pcm_dmix_open) unable to open slaveALSA lib pcm_dmix.c:1099:(snd_pcm_dmix_open) unable to open slave
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::WidgetStateEngine(0x1b91020), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::LabelEngine(0x1b94160), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::WidgetStateEngine(0x1b91020), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::WidgetStateEngine(0x1b91020), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::WidgetStateEngine(0x1b954a0), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::WidgetStateEngine(0x1b954a0), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::WidgetStateEngine(0x1b91020), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject::installEventFilter(): Cannot filter events for objects in a different thread.
QObject::installEventFilter(): Cannot filter events for objects in a different thread.
QObject::installEventFilter(): Cannot filter events for objects in a different thread.
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::WidgetStateEngine(0x1b91020), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::LabelEngine(0x1b94160), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::WidgetStateEngine(0x1b91020), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Oxygen::WidgetStateEngine(0x1b91020), parent's thread is QThread(0x1b10db0), current thread is QThread(0x7f3498007350)
QBackingStore::endPaint() called with active painter on backingstore paint device
KCrash: Application 'twinkle' crashing...
KCrash: Attempting to start /usr/libexec/kf5/drkonqi from kdeinit
sock_file=/run/user/500/kdeinit5__0
[1]+ Остановлен padsp twinkle