BugID: #05131

==65493== Command: /home/notroot/trunk/mess64d gen32 -artpath /home/notroot/trunk/artwork -video none -nosound -nothrottle -nodebug -nomouse -window -seconds_to_run 2 -rompath /media/roms/mess;/media/roms/mess_software -hashpath /home/notroot/trunk/hash 
...
==65493== Invalid read of size 4
==65493==    at 0x93E21E: mboard_state::read_board() (mboard.c:110)
==65493==    by 0x93E4BD: mboard_state::mboard_read_board_32(address_space&, unsigned int, unsigned int) (mboard.c:199)
==65493==    by 0x19DCA06: delegate_base<unsigned int, address_space&, unsigned int, unsigned int, _noparam, _noparam>::operator()(address_space&, unsigned int, unsigned int) const (delegate.h:542)
==65493==    by 0x1ABCA9A: handler_entry_read::read32(address_space&, unsigned int, unsigned int) const (memory.c:395)
==65493==    by 0x1AE0C37: address_space_specific<unsigned int, (endianness_t)1, true>::read_native(unsigned int, unsigned int) (memory.c:1061)
==65493==    by 0x1AD542C: unsigned char address_space_specific<unsigned int, (endianness_t)1, true>::read_direct<unsigned char, true>(unsigned int, unsigned char) (memory.c:1157)
==65493==    by 0x1ACBE5C: address_space_specific<unsigned int, (endianness_t)1, true>::read_byte(unsigned int) (memory.c:1389)
==65493==    by 0x170DC1C: m68k_memory_interface::read_byte_32_mmu(unsigned int) (m68kcpu.c:1461)
==65493==    by 0x4F8491: delegate_base<unsigned char, unsigned int, _noparam, _noparam, _noparam, _noparam>::operator()(unsigned int) const (delegate.h:540)
==65493==    by 0x171B192: m68ki_read_8_fc(_m68ki_cpu_core*, unsigned int, unsigned int) (m68kcpu.h:1073)
==65493==    by 0x171B757: OPER_AY_AI_8(_m68ki_cpu_core*) (m68kcpu.h:1273)
==65493==    by 0x174F109: _m68ki_cpu_core::m68k_op_move_8_d_ai(_m68ki_cpu_core*) (m68kops.c:15818)
==65493==    by 0x170B42D: cpu_execute_m68k(legacy_cpu_device*) (m68kcpu.c:809)
==65493==    by 0x19DE15F: legacy_cpu_device::execute_run() (devcpu.c:260)
==65493==    by 0x1B0B9D8: device_execute_interface::run() (diexec.h:214)
==65493==    by 0x1B0A6BD: device_scheduler::timeslice() (schedule.c:488)
==65493==    by 0x1AA49B0: running_machine::run(bool) (machine.c:393)
==65493==    by 0x1AA22B3: mame_execute(emu_options&, osd_interface&) (mame.c:190)
==65493==    by 0x19C94F4: cli_frontend::execute(int, char**) (clifront.c:255)
==65493==    by 0x13154D8: main (sdlmain.c:371)
==65493==  Address 0x10be1024 is 100 bytes inside a block of size 104 free'd
==65493==    at 0x632F739: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==65493==    by 0x1F162F3: osd_free (sdlos_unix.c:115)
==65493==    by 0x1A1AB7A: free_file_line(void*, char const*, int) (emualloc.c:216)
==65493==    by 0x19D122E: tagmap_t<unsigned long long, 53>::remove_common(tagmap_t<unsigned long long, 53>::entry_t**) (emualloc.h:131)
==65493==    by 0x19D0E75: tagmap_t<unsigned long long, 53>::reset() (tagmap.h:127)
==65493==    by 0x19D0A3F: tagmap_t<unsigned long long, 53>::~tagmap_t() (tagmap.h:111)
==65493==    by 0x1B4F28B: validity_checker::validate_devices() (validity.c:1132)
==65493==    by 0x1B4BEE8: validity_checker::validate_one(game_driver const&) (validity.c:299)
==65493==    by 0x1B4BAEB: validity_checker::check_shared_source(game_driver const&) (validity.c:201)
==65493==    by 0x1AA2211: mame_execute(emu_options&, osd_interface&) (mame.c:175)
==65493==    by 0x19C94F4: cli_frontend::execute(int, char**) (clifront.c:255)
==65493==    by 0x13154D8: main (sdlmain.c:371)