Kernel panic interrupt many times on my ibook G4

Question

kernel panic interrupt pull up many times, and the latest log file as follows:
Sun Sep 10 11:19:19 2006
panic(cpu 0 caller 0x000A8B98): Uncorrectable machine check: pc = 00000000000ACCA8, msr = 0000000000141030, dsisr = 42000000, dar = 0000000021009000
AsyncSrc = 0000000000000000, CoreFIR = 0000000000000000
L2FIR = 0000000000000000, BusFir = 0000000000000000
Latest stack backtrace for cpu 0:
Backtrace:
0x00095544 0x00095A5C 0x0002683C 0x000A8B98 0x000A7E28 0x000ABB00
Proceeding back via exception chain:
Exception state (sv=0x20FB7500)
PC=0x000ACCA8; MSR=0x00141030; DAR=0x21009000; DSISR=0x42000000; LR=0x000AC98C; R1=0x0D03B800; XCP=0x00000008 (0x200 - Machine check)
Backtrace:
0x00001000 0x0009BC2C 0x0026F830 0x000DF248 0x000DC3C0 0x000DB56C
0x00226A58 0x000FAAD0 0x000F40A8 0x0027AF68 0x0027ACA4 0x002A7A94 0x000ABCB0 0x64617461
Exception state (sv=0x258FD780)
PC=0x900138AC; MSR=0x0200F030; DAR=0x21009000; DSISR=0x42000000; LR=0x90B3482C; R1=0xF0202860; XCP=0x00000030 (0xC00 - System call)
Kernel version:
And my
Hardware Overview:
Machine Name: iBook G4
Machine Model: PowerBook6,7
CPU Type: PowerPC G4 (1.5)
Number Of CPUs: 1
CPU Speed: 1.42 GHz
L2 Cache (per CPU): 512 KB
Memory: 512 MB
Bus Speed: 142 MHz
Boot ROM Version: 4.9.3f0
Serial Number: 4H601071SE9
Sudden Motion Sensor:
State: Enabled
Version: 1.0
And my System Software Overview:
System Version: Mac OS X 10.4.2 (8D37)
Kernel Version: Darwin 8.2.1
Boot Volume: Macintosh HD
Computer Name: iBook
Memory Slot, only built in 512M DIMM0.
ATA Bus:
MATSHITADVD-R UJ-845E:
Model: MATSHITADVD-R UJ-845E
Revision: DMP2
Serial Number:
Detachable Drive: No
Protocol: ATAPI
Unit Number: 0
Socket Type: Internal
No other device connected with ibook.
I have run the hardware test on install CD, all device passed the test.
And I have run cmdopt+pr, kernel panci interrupt still pull up, I will crazy.
Help me!
Thanks
  Mac OS X (10.4.2)  

Answer 1

Check this link for information on the causes of a
kernel panic and a roadmap of troubleshooting steps
to take in the order provided to resolve.
http://www.thexlab.com/faqs/kernelpanics.html
According to the above links way, the kernel panic active yet. The following is new logs.
Sep 14 11:28:46 2006
Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x00000000900105F4 PC=0x000000000005B95C
Latest crash info for cpu 0:
Exception state (sv=0x24A0B280)
PC=0x0005B95C; MSR=0x00009030; DAR=0x900105F4; DSISR=0x40000000; LR=0x0005AE14; R1=0x0D02B1F0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x1D8CC790 0x0005AE14 0x002869B0 0x000E4AD4 0x000E4E28 0x000E7284
0x000E6B60 0x000E7408 0x0021FAF4 0x00224D44 0x00224FE0 0x000F9EB0 0x000E0E48 0x000E09DC
0x000ED698 0x000EDA50 0x000EDAF0 0x002A7A94 0x000ABCB0 0x67743B49
Proceeding back via exception chain:
Exception state (sv=0x24A0B280)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x20EF7500)
PC=0x9002218C; MSR=0x0200F030; DAR=0x20EF9F7E; DSISR=0x40000000; LR=0x9003FDD0; R1=0xBFFFF7F0; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.2.1: Fri Jun 24 23:31:10 PDT 2005; root:xnu-792.3.2.obj~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
Backtrace:
0x00095544 0x00095A5C 0x0002683C 0x000A819C 0x000ABB00
Proceeding back via exception chain:
Exception state (sv=0x24A0B280)
PC=0x0005B95C; MSR=0x00009030; DAR=0x900105F4; DSISR=0x40000000; LR=0x0005AE14; R1=0x0D02B1F0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x1D8CC790 0x0005AE14 0x002869B0 0x000E4AD4 0x000E4E28 0x000E7284
0x000E6B60 0x000E7408 0x0021FAF4 0x00224D44 0x00224FE0 0x000F9EB0 0x000E0E48 0x000E09DC
0x000ED698 0x000EDA50 0x000EDAF0 0x002A7A94 0x000ABCB0 0x67743B49
Exception state (sv=0x20EF7500)
PC=0x9002218C; MSR=0x0200F030; DAR=0x20EF9F7E; DSISR=0x40000000; LR=0x9003FDD0; R1=0xBFFFF7F0; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.2.1: Fri Jun 24 23:31:10 PDT 2005; root:xnu-792.3.2.obj~1/RELEASE_PPC
"/Library/Logs/panic.log" [readonly] 71L, 3405C
Fri Sep 15 11:16:16 2006
Unresolved kernel trap(cpu 0): 0x600 - Alignment DAR=0x00000000000071EF PC=0x00000000000A47D4
Latest crash info for cpu 0:
Exception state (sv=0x20F8EA00)
PC=0x000A47D4; MSR=0x00009030; DAR=0x000071EF; DSISR=0x000000A0; LR=0x0007A98C; R1=0x0CFA3D80; XCP=0x00000018 (0x600 - Alignment)
Backtrace:
0x0007AB58 0x0007B764 0x000A9694
Proceeding back via exception chain:
Exception state (sv=0x20F8EA00)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x00D0B280)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
Kernel version:
Darwin Kernel Version 8.2.1: Fri Jun 24 23:31:10 PDT 2005; root:xnu-792.3.2.obj~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0006): 0x600 - Alignment
Latest stack backtrace for cpu 0:
Backtrace:
0x00095544 0x00095A5C 0x0002683C 0x000A819C 0x000ABB00
Proceeding back via exception chain:
Exception state (sv=0x20F8EA00)
PC=0x000A47D4; MSR=0x00009030; DAR=0x000071EF; DSISR=0x000000A0; LR=0x0007A98C; R1=0x0CFA3D80; XCP=0x00000018 (0x600 - Alignment)
Backtrace:
0x0007AB58 0x0007B764 0x000A9694
Exception state (sv=0x00D0B280)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
Kernel version:
Darwin Kernel Version 8.2.1: Fri Jun 24 23:31:10 PDT 2005; root:xnu-792.3.2.obj~1/RELEASE_PPC
  Mac OS X (10.4.2)