Seg fault after stopping audio recording

[riban-bw]

Describe the issue

After recording a long, multitrack audio recording, pressing the stop reording button resulted in a segmentation fault error and zynthian restart.

To Reproduce

Steps to reproduce the behavior:

1. Enable touch navigation.
2. Add 8 audio chains.
3. Enable multitrack recording on all 8 chains.
4. Leave recording for 3.5 hours.
5. On tempo page, press "Record Audio" button to stop recording.

Expected behaviour

Recording stops.

Actual behaviour

Segmentation error.

Additional context

This happened once. I have not yet had time to repeat the test. 48000 fps, 128 frames per buffer, 32-bit. -P 70 -s -S -d alsa -d hw:US16x08 -r 48000 -p 128 -n 2 -X raw

Configuration

Hardware

Raspberry Pi 5 Model B Rev 1.0
Audio: Tascam US-16x08
Display: MIPI DSI 800x480
Wiring: DUMMIES
I2C: Not detected
Profile: 

System

Debian GNU/Linux 12 (bookworm)
Build Date: 2024-10-02
Memory: 9% (781M/8052M)
SD Card: NA (NA/NA)
Temperature: 48.8ºC
Overclock: Maximum

MIDI & UI

Tuning: 440 Hz
Master Channel: 16
Preload Presets: Off
ZS3 (SubSnapShots): On
Power Save: 10 minutes
Audio Levels on Snapshots: On

Software

zyncoder: vangelis (c1b7cb1) 
zynthian-ui: 1259_us16x08 (4f37ac8)
zynthian-sys: 1259_us16x08 (ae68b82)
zynthian-data: vangelis (305b301)
zynthian-webconf: 1259_us16x08 (07aa3db)

[riban-bw]

I observed persistent segfault in zyncore until I rebooted so it may not be the recorder. I also observed segfault in audioplayer if zynthian can't start due to no X11 - but that may be a different issue.