Lock up when measure latency or record

Anyone else having any of that? Its through a Focusrite card in ALSA mode. The UI still kind of responds but pressing play, record or measure latency seems to lock it up.

Fedora kernal 6.9.4-200
ardour8-8.6.0-1.fc40.x86_64

Very weird, not seen it happen before.

Can you run Ardour from the command line and see if there is any interesting / suspicious output?

Also, guessing based on the recent Fedora kernel – are you running under Pipewire? If so, you could try selecting the “JACK” back-end (assuming Pipewire’s jack emulation is available / enabled).

Yeah, its Pipewire. I had it again last night, and a reboot sorted it. I wonder if its something about some other process holding onto the sound card, and Ardour can’t grab it.

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