View Issue Details

IDProjectCategoryView StatusLast Update
0010167ardourbugspublic2026-02-08 21:57
Reporterwargreen Assigned To 
PrioritynormalSeverityminorReproducibilityalways
Status newResolutionopen 
PlatformDebian GNUOSLinuxOS Version(any)
Product Version9.0 
Summary0010167: Crash with master > 16 channels and monitor section enabled
DescriptionHi and thanks for 9 !

With 8.12 and 9, with the monitor section enabled, adding more than 16 output audio channels to the master track lead a crash with this output :

Established under name 'Ardour-3801466'
paths done, cancel = 0
MAE: Monitor/monitor-cut-16
-- Stacktrace Thread: ArdourGUI
  PBD::stacktrace(std::ostream&, int, unsigned long)
  ActionManager::MissingActionException::MissingActionException(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
  /opt/Ardour-9.0.0/lib/libgtkmm2ext.so.0(+0x41b47) [0x7f4249b74b47]
  /opt/Ardour-9.0.0/bin/ardour-9.0.0(+0xcb5265) [0x55df563f0265]
  /opt/Ardour-9.0.0/bin/ardour-9.0.0(+0xcc1502) [0x55df563fc502]
  AbstractUI<Gtkmm2ext::UIRequest>::call_slot(PBD::EventLoop::InvalidationRecord*, std::function<void ()> const&)
  /opt/Ardour-9.0.0/bin/ardour-9.0.0(+0xcc1d7a) [0x55df563fcd7a]
  /opt/Ardour-9.0.0/bin/ardour-9.0.0(+0xcc1e97) [0x55df563fce97]
  PBD::SignalWithCombiner<PBD::OptionalLastValue<void>, void (ARDOUR::ChanCount)>::operator()(ARDOUR::ChanCount)

(ardour-9.0.0:3801466): glibmm-ERROR **: 19:37:00.129:
unhandled exception (type std::exception) in signal handler:
what: missing action: Monitor/monitor-cut-16

Got SIGTERM, quitting.
fish: Job 1, 'pw-jack /opt/Ardour-9.0.0/bin/a…' terminated by signal SIGTRAP (Déroutement de suivi/point d’arrêt)
Steps To ReproduceOn 8.12 or 9
- Enable monitor section
- Add 17 outputs to the master track
- Crash
Additional InformationI can provide a backtrace from -dbg if needed
TagsNo tags attached.

Activities

There are no notes attached to this issue.

Issue History

Date Modified Username Field Change
2026-02-08 21:57 wargreen New Issue