johol

Try updating bluez to a version >= 5.51 but I think, the highest version available for rasbian buster is 5.50. You have to compile the higher version by your self....

Starting mp4record from the console I get following MMAP address=0xb6d78000, size=1586752(0x183640), mode=0, try 1 g_rcd_info.mmap_info->is_sd_exist =0 Seems to me, that mp4record does not recognize the SD card. Could it be...

Thanks for the advice. Formating the card with the app fixed recording. Noticed that the 128GB card is formated to exfat.

I was able to stop beeping by removing the acodec kernel module # diff -au system.sh.orig system.sh --- system.sh.orig 2024-06-16 16:45:55.246021590 +0200 +++ system.sh 2024-06-16 16:47:02.250021241 +0200 @@ -471,3 +471,7...

Thank you for your help. MySQLConfig.File was missing in my config.