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diskboot.config crash ?

Subject: diskboot.config crash ?
by samo79 on 2013/2/21 20:45:32

After latest updates from time to time i got various strange crash on diskboot.config, for example today i got one playing GLQuake

Quote:
Crash log for task "glquake"
Generated by GrimReaper 53.5
Crash occured in module diskboot.config at address 0x01821674
Type of crash: DSI (Data Storage Interrupt) exception

Register dump:
GPR (General Purpose Registers):
0: 49AED008 4DB99660 00000000 49AED008 099C0200 00096000 0000000C 020A9824
8: 5428C008 49AED008 00000000 00000000 00000794 4DBA939C 00000000 00000000
16: 3E71D340 6F1271F4 00000000 123F8B94 00340014 02270000 02270000 4DBA0000
24: 4DBA0000 4DBA0000 4DB99650 3C927218 020A9824 49AED008 099C0200 00096000


FPR (Floating Point Registers, NaN = Not a Number):
0: nan 0 0.95 1
4: 1 320 240 320
8: 1606.09 0.00834089 0.0139008 0
12: 26.4699 0.001 3.39519e-313 -5.05923e-321
16: 0 1.39067e-309 0 0
20: 0 0 0 1.61895e-319
24: 4.94066e-324 0 1.08779e-311 -4.07294e-35
28: 0 1.35808e-312 8.8275e-311 31.0884

FPSCR (Floating Point Status and Control Register): 0x8A004000


SPRs (Special Purpose Registers):
Machine State (msr) : 0x0002B030
Condition (cr) : 0x48422044
Instruction Pointer (ip) : 0x01821674
Xtended Exception (xer) : 0x20000002
Count (ctr) : 0x0181633C
Link (lr) : 0x01821B20
DSI Status (dsisr) : 0x00000000
Data Address (dar) : 0x099C0200



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 0x01821674 belongs to module "diskboot.config" (HUNK/Kickstart)

Stack trace:
kernel module diskboot.config at 0x01821674
kernel module diskboot.config at 0x01813884
native kernel module newlib.library.kmod+0x000080ec
module glquake at 0x6F104308 (section 5 @ 0x452F0)
module glquake at 0x6F0C7E10 (section 5 @ 0x8DF8)
module glquake at 0x6F0C7F98 (section 5 @ 0x8F80)
module glquake at 0x6F0CEB6C (section 5 @ 0xFB54)
module glquake at 0x6F127748 (section 5 @ 0x68730)
native kernel module newlib.library.kmod+0x00002094
native kernel module newlib.library.kmod+0x00002d3c
native kernel module newlib.library.kmod+0x00002eb8
glquake:_start()+0x170 (section 1 @ 0x170)
native kernel module dos.library.kmod+0x00022a10
kernel module diskboot.config at 0x0183bd20
kernel module diskboot.config at 0x0183bda0
module SYS:System/GrimReaper at 0x00000000 (section 0 @ 0xFFFFFFE8)

PPC disassembly:
0182166c: 39600000 li r11,0
01821670: 418200ac beq- 0x182171C
*01821674: 7c04582e lwzx r0,r4,r11
01821678: 396b0004 addi r11,r11,4
0182167c: 90090000 stw r0,0(r9)

System information:

CPU
Model: AMCC PPC440EP V1.3
CPU speed: 799 MHz
FSB speed: 133 MHz
Extensions:

Machine
Machine name: Sam440EP
Memory: 1048576 KB
Extensions: bus.pci


What's that ?
diskboot.config stand for ?
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