02822: mwalk: Crash when starting second game

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
02822	Multisession	Critical (emulator)	Always	Jan 13, 2009, 15:38	Apr 23, 2009, 17:00

Tester	Tafoid	View Status	Public	Platform	MAME (Official Binary)
Assigned To		Resolution	Unable to reproduce	OS	Windows 2000
Status [?]	Closed			Driver	sega/segas18.cpp
Version	0.129	Fixed in Version		Build	Normal
		Fixed in Git Commit		Github Pull Request #

Summary	02822: mwalk: Crash when starting second game
Description	When using the "Select New Game" menu and even sometimes with simply with a hard reset (SHIFT+F3), all sets in this driver will crash with Access Violation.
Steps To Reproduce	With MWALK.ZIP artwork in artwork folder.. - "mame mwalk" - letting it start - then choose MWALK again via mame's menu - it crashes after the game indentification screen
Additional Information	I was able to crash with simply using doing a MAME ASTORM - then when the game starts - starting this game again via menu. Here is a backtrace: Remapping: 000000-003FFF (00C000) = I/O space 000000-001FFF (00E000) = color RAM 000000-00FFFF (000000) = tile RAM 000000-000FFF (00F000) = text RAM 000000-0007FF (00F800) = object RAM 000000-003FFF (00C000) = work RAM 000000-00000F (00FFF0) = VDP 000000-00FFFF (000000) = ROM 1 000000-00FFFF (000000) = ROM 0 Program received signal SIGSEGV, Segmentation fault. 0x00cdc85e in memory_decrypted_read_word (space=0x342c1750, byteaddress=0) at src/emu/memory.h:1126 1126 return (UINT16 )&space->direct.decrypted[byteaddress & space->direct.mask]; (gdb) bt full #0 0x00cdc85e in memory_decrypted_read_word (space=0x342c1750, byteaddress=0) at src/emu/memory.h:1126 No locals. #1 0x00cdc85e in memory_decrypted_read_word (space=0x342c1750, byteaddress=0) at src/emu/memory.h:1126 No locals. #2 0x00cdc85e in memory_decrypted_read_word (space=0x34ac15a4, byteaddress=0) at src/emu/memory.h:1126 No locals. #3 0x00cdc85e in memory_decrypted_read_word (space=0x2a451f7c, byteaddress=147458) at src/emu/memory.h:1126 No locals. #4 0x00cdc85e in memory_decrypted_read_word (space=0x2a451f7c, byteaddress=131075) at src/emu/memory.h:1126 No locals. #5 0x00cdc85e in memory_decrypted_read_word (space=0x2a451f7c, byteaddress=0) at src/emu/memory.h:1126 No locals. #6 0x00cdc85e in memory_decrypted_read_word (space=0x2a401efc, byteaddress=1) at src/emu/memory.h:1126 No locals. #7 0x00cdc85e in memory_decrypted_read_word (space=0x2a401efc, byteaddress=0) at src/emu/memory.h:1126 No locals. #8 0x00cdc85e in memory_decrypted_read_word (space=0x68e1e58, byteaddress=109911816) at src/emu/memory.h:1126 No locals. #9 0x00cdc85e in memory_decrypted_read_word (space=0x3, byteaddress=109518836) at src/emu/memory.h:1126 No locals. #10 0x00cdc85e in memory_decrypted_read_word (space=0x3, byteaddress=109518836) at src/emu/memory.h:1126 No locals. #11 0x00cdc85e in memory_decrypted_read_word (space=0x7ffdf000, byteaddress=0) at src/emu/memory.h:1126 No locals. #12 0x00cdc85e in memory_decrypted_read_word (space=0x1, byteaddress=9) at src/emu/memory.h:1126 No locals. #13 0x00cdc85e in memory_decrypted_read_word (space=0x0, byteaddress=0) at src/emu/memory.h:1126 No locals. #14 0x00cdc85e in memory_decrypted_read_word (space=0x401280, byteaddress=0) at src/emu/memory.h:1126 No locals.
Github Commit

Flags
Regression Version	0.128u4
Affected Sets / Systems	mwalk

Attached Files	mwalk.zip (1,854,203 bytes) Jan 14, 2009, 03:38

No.03573 Fujix Administrator Jan 13, 2009, 23:39	Multi session of segas18.c games works for me.
No.03578 Tafoid Administrator Jan 14, 2009, 03:35 edited on: Jan 14, 2009, 04:42	More testing tells me the crash is related to having artwork in the system - if that's possible. If I take the artwork out completely and multisession - it works. With MWALK.ZIP artwork and doing a "mame mwalk" - letting it start - then choosing another game - it crashes. Is this a wider problem with setting up video? The problem started in 0.128u4 w/artwork. It's apparently not related to that other multisession crash. EDIT: I uploaded the artwork file for people to test. EDIT2: Got a backtrace when using ASTORM in multisession, which doesn't use artwork. Now I'm confused :)
No.03598 etabeta Developer Jan 16, 2009, 13:24	fwiw, the crash is not reproducible on sdlmame 0.129 (artwork present, tested both with artwork on and off)
No.04251 Tafoid Administrator Apr 23, 2009, 17:00	This doesn't duplicate for me anymore. Not sure what the issue was, but it seems it was corrected Tested in 0.131 for mwalk and astorm.