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IDProjectCategoryView StatusLast Update
0008794ardourbugspublic2021-10-17 17:21
Reporterdomingo Assigned To 
Status newResolutionopen 
PlatformApple MacintoshOSMacOSOS Version10.12 or later
Product Version6.9 
Summary0008794: Hangs when Audio Interface USB is disconnected
DescriptionThis problems bothers me since many versions and finally decided to report it, supposing this is a general problem that can be revised in the future.

Ardour hangs if the audio interface is turned off or unplugged when active.

Interface: Combo Amanero 384 (DAC) under OSX 10.13, using generic drivers.

I wish Ardour would be more agile automatically deactivating and reactivating usb interfaces when they are switched off and on.

Similar problem: When unplugging and replugging a USB sound recorder (Zoom H1), it is not detected automatically by the session in use, the device rather appears duplicated in the list of the Audio/MIDI engine and sometimes not even responding to any both.
Steps To Reproduce
Disconnect and reconnect an active USB interface.
TagsNo tags attached.


al f

2021-10-17 17:21

reporter   ~0026192

Ardour freezes on USB disconnection on my system as well. (K)Ubuntu Studio 20.04, Ardour 6.9. Focusrite Scarlett 2i4.

It seems that sometimes disconections triggers the error message "Session: cannot have two events of type TransportStateChange at the same sample", but I haven' been able to reliably reproduce that.

Issue History

Date Modified Username Field Change
2021-09-10 00:57 domingo New Issue
2021-10-17 17:21 al f Note Added: 0026192