Seemingly random crashes when recording MIDI

Hi there,
I’m new to this forum. First I have to say I like Ardour more than many other DAWs for Linux because of native lv2 support. I tested Ardour 5.12 (Distro-Version) on my Manjaro machine, and while it wasn’t rock-solid I managed to get some tracks done.

So I decided to support the development and bought Ardour 6.
It works nice with audio, but as soon as I try to record some MIDI (while in loop-playback) Ardour crashes in a random fashion after a couple of minutes which makes it unusable for MIDI-work, on which I rely heavily. It seems to occur often shortly after I recorded something or if I simply press space to stop the recording when I’m done.

Any chance to get some insight on how to troubleshoot this? I’m on Manjaro (KDE Plasma), realtime-kernel 5.4 … let me know if you need some further information.

thanks in advance

Please file a bug report at and include a very very detailed set of steps to reproduce this crash.

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Thanks for the fast reply. I’ll try to reproduce this step by step and will post it.

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