03464: All sets in seattle.c: MAME crash when try to read the voodoo region

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
03464	Debugger	Critical (emulator)	Always	Oct 5, 2009, 12:17	Sep 24, 2012, 13:58

Tester	sronco	View Status	Public	Platform	MAME (Self-compiled)
Assigned To	Firewave	Resolution	Fixed	OS	Windows Vista/7 (32-bit)
Status [?]	Resolved			Driver	midway/seattle.cpp
Version	0.134u2	Fixed in Version	0.147u1	Build	Debug
		Fixed in Git Commit		Github Pull Request #

Summary	03464: All sets in seattle.c: MAME crash when try to read the voodoo region
Description	When you try to read the voodoo region, mame crash.
Steps To Reproduce	-run MAME with debug -go on memory window -go on address 880003a4 or -run MAME with debug -go on memory window -change the address in physical (from options menu) -go on address 80003a4
Additional Information	I have also tried the last stable (0.134)
Github Commit

Flags
Regression Version
Affected Sets / Systems	All sets in seattle.c

Attached Files

No.05012 Tafoid Administrator Oct 6, 2009, 15:27	Backtrace (from u1) - using BLITZ Program received signal SIGSEGV, Segmentation fault. 0x7800fa97 in setvbuf () from C:\WINNT\system32\msvcrt.dll (gdb) bt #0 0x7800fa97 in setvbuf () from C:\WINNT\system32\msvcrt.dll #1 0x78021c79 in vsnprintf () from C:\WINNT\system32\msvcrt.dll #2 0x00ab2ea4 in logerror ( format=0x257d48c "VOODOO.%d.ERROR:Invalid attempt to read %s\n") at src/emu/mame.c:1225 Backtrace stopped: frame did not save the PC (gdb) bt full #0 0x7800fa97 in setvbuf () from C:\WINNT\system32\msvcrt.dll No symbol table info available. #1 0x78021c79 in vsnprintf () from C:\WINNT\system32\msvcrt.dll No symbol table info available. #2 0x00ab2ea4 in logerror ( format=0x257d48c "VOODOO.%d.ERROR:Invalid attempt to read %s\n") at src/emu/mame.c:1225 arg = 0x22f784 "" mame = (mame_private ) 0xb991f68 cb = (callback_item ) 0x0 machine = (running_machine *) 0xb981efc
No.05013 etabeta Developer Oct 6, 2009, 16:54 edited on: Oct 6, 2009, 16:54	hence, it seems the read simply hits a debug fatal error left by Aaron in the code. not sure if it has been left on purpose though
No.08937 Firewave Senior Tester Sep 21, 2012, 16:34	The error is actually in the logerror call: logerror("VOODOO.%d.ERROR:Invalid attempt to read %s\n", v->index, v->regnames[regnum]); v->regnames has a size of 225 and regnum is 233. I will commit a fix later on .
No.08956 Firewave Senior Tester Sep 24, 2012, 13:58	Fixed in r18112