Machine reboots unexpectedly. In /var/log/messages following entry is saved: Jul 29 14:24:19 LULA savecore[851]: reboot after panic: moea_pvo_to_pte: pvo 0x1f136640 has invalid pte 0x1dc5518 in moea_pteg_table but valid in pvo: 93960a97, 99bab281 OS specification ('uname -a'): FreeBSD LULA 13.1-RELEASE FreeBSD 13.1-RELEASE releng/13.1-n250148-fc952ac2212 GENERIC powerpc HW specification: Apple Mac mini G4, 1.5 Ghz, 1GB RAM Kernel modules active ('kldstat'): Id Refs Address Size Name 1 8 0x100180 110ee8c kernel 2 1 0xdbc88000 24000 fdescfs.ko 3 1 0xdbe00000 21000 mac_ntpd.ko 4 1 0xdbe6e000 3d000 fusefs.ko