Fsuae_libretro - Failed to open libretro core

Libretro Cores
#1

hi, i have installed retroarch and libretro-fsuae-git on my ArchLinux 64bit. but when i try to load an ADF with fsuae core it says: Failed to open libretro core

why? someone can help me?

$ pacman -Q|grep retro
libretro-fsuae-git 1712.7990f7ad-1
libretro-gambatte 635-1
libretro-genesis-plus-gx-git 1342.7104058-1
libretro-mednafen-pce-fast-git 847.d2080d7-1
libretro-nestopia 721-1
libretro-snes9x 660-1
libretro-uae-git 443.be625e3-1
libretro-vice-git 19926.8139feb92-1
retroarch 1.6.7-2
retroarch-assets-xmb 512-1
retroarch-autoconfig-udev 1224-1
#2 
$ retroarch --libretro /usr/lib/libretro/fsuae_libretro.so ~/a500.fs-uae
[INFO] Loading dynamic libretro core from: "/usr/lib/libretro/fsuae_libretro.so"
[ERROR] Failed to open libretro core: "/usr/lib/libretro/fsuae_libretro.so"
[ERROR] Error(s): /usr/lib/libretro/fsuae_libretro.so: undefined symbol: esp_scsi_init
Errore di segmentazione (core dump creato)