Segmentation fault at start (Arch Linux)

[freq-mod]

22:18:44.976 [*] success New window: 0x5584795d6e80
22:18:44.976 [-] info Creating renderer
22:17:53.438 [x] error Could not open synth:
Naruszenie ochrony pamięci (zrzut pamięci)
malloc(): unaligned tcache chunk detected, followed by segmentation fault.

[freq-mod]

Oh wait - all of a sudden, it stopped crashing! All that was needed was a reboot, still needs to analyze