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eliyahu
fatal crash in equilibrio level 9?
Posted on: 2013/11/6 22:29    #1
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@amigans

has anyone here been able to successfully play level 9 in equilibrio? we can do levels 1-8 just fine, but starting level 9 gets the same crash every time.

andrea: i have crash logs available if you're interested. the interesting bits follow:

Crash log for task "Equilibrio"
Generated by GrimReaper 53.16
Crash occured in module newlib.library.kmod at address 0x01A8B77C
Type of crash: DSI (Data Storage Interrupt) exception

Register dump:
GPR (General Purpose Registers):
   0: DF5C779C 64A67600 00000000 5F143310 CB48578C 020A2BEC 5A773850 00000080 
   8: 00000000 00000000 7F900530 4672616D 000007A8 633F3F08 00000000 68A91000 
  16: 7F8BC0E0 00000001 6491E760 659284B8 02270000 02270000 00000000 00000001 
  24: 6FF91000 00000002 CB48578C 6348564C 63480000 64A677CC 63485654 5B042A28 

FPR (Floating Point Registers, NaN = Not a Number):
   0:              nan             0.04               -0             1305 
   4:                0                0             1305                0 
   8:               -1          -1.0007               -1              0.5 
  12:       4.5036e+15             1920                0                0 
  16:                0                0                0                0 
  20:                0                0                0                0 
  24:                0                0                0                0 
  28:                0                0                0             0.04 

FPSCR (Floating Point Status and Control Register): 0xBF304000

SPRs (Special Purpose Registers):
           Machine State (msr) : 0x0200F030
                Condition (cr) : 0x00000001
      Instruction Pointer (ip) : 0x01A8B77C
       Xtended Exception (xer) : 0xFFFFFFFF
                   Count (ctr) : 0x80080008
                     Link (lr) : 0x644B6C88
            DSI Status (dsisr) : 0x80080009
            Data Address (dar) : 0x644B6CF4

680x0 emulated registers:
DATA: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
ADDR: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
FPU0:                0                0                0                0 
FPU4:                0                0                0                0 

Symbol info:
Instruction pointer 0x01A8B77C belongs to module "newlib.library.kmod" (HUNK/Kickstart)

Stack trace:
    native kernel module newlib.library.kmod+0x0002dcfc
    _Z13texGetTexturePKcb()+0xa8 (section 7 @ 0x446E8)
    _Z24coreGameLoadBackground3Dii()+0x234 (section 7 @ 0x18610)
    _ZN12cGameManager9StartModeE9eGameMode()+0x3b4 (section 7 @ 0x721C)
    _ZN13cConquestPage6UpdateEf()+0xd0 (section 7 @ 0x2AB54)
    _ZN12cMenuManager6UpdateEf()+0x38 (section 7 @ 0xDFC8)
    _ZN12cGameManager6UpdateEf()+0x46c (section 7 @ 0x347C)
    main()+0x348 (section 7 @ 0x6A4)
    native kernel module newlib.library.kmod+0x000020a4
    native kernel module newlib.library.kmod+0x00002d0c
    native kernel module newlib.library.kmod+0x00002ee8
    _start()+0x170 (section 7 @ 0x16C)
    native kernel module dos.library.kmod+0x00024f18
    native kernel module kernel+0x0004357c
    native kernel module kernel+0x000435fc

PPC disassembly:
 01a8b774: 4082005c   bne-              0x1A8B7D0
 01a8b778: 81630000   lwz               r11,0(r3)
*01a8b77c: 80040000   lwz               r0,0(r4)
 01a8b780: 7f8b0000   cmpw              cr7,r11,r0
 01a8b784: 409e004c   bne-              cr7,0x1A8B7D0

i should point out that i've tried this with newlib v53.28 and newlib v53.19; both show the same crash.

-- eliyahu
"Physical reality is consistent with universal laws. When the laws do not operate, there is no reality. All of this is unreal."
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salass00
Re: fatal crash in equilibrio level 9?
Posted on: 2013/11/7 8:50    #2
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@eliyahu

The crash is in strcmp() but most likely the actual bug is in the application or it could be a stack overflow (you left out that part from the crashlog).
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