iMac800 crashlog - Can anyone help?

[knothed]

Hi all, I was hoping someone here who knows more than I do about mac code and harware can help me save my mac from the grave.. It has been crashing all the time for about 6 months, through 3 full reformat reinstalls of the OS. The only info I have is below:

 

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Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x000000002CB2934E PC=0x00000000008F4BFC

Latest crash info for cpu 0:

Exception state (sv=0x23A26A00)

PC=0x008F4BFC; MSR=0x00009030; DAR=0x2CB2934E; DSISR=0x40000000; LR=0x008F5604; R1=0x0CF63AE0; XCP=0x0000000C (0x300 - Data access)

Backtrace:

0x008F6598 0x008F5604 0x008EC7FC 0x008DCB80 0x002E54C0 0x002E738C

0x0008C404 0x000291C0 0x000233AC 0x000ABE2C 0x00000000

Kernel loadable modules in backtrace (with dependencies):

com.apple.GeForce(4.0.6)@0x8d5000

dependency: com.apple.iokit.IOPCIFamily(1.6)@0x476000

dependency: com.apple.iokit.IOGraphicsFamily(1.4)@0x5f9000

dependency: com.apple.iokit.IONDRVSupport(1.4)@0x61d000

dependency: com.apple.NVDAResman(4.0.6)@0x633000

Proceeding back via exception chain:

Exception state (sv=0x23A26A00)

previously dumped as "Latest" state. skipping...

Exception state (sv=0x21136500)

PC=0x9000A738; MSR=0x0200F030; DAR=0x0022B00C; DSISR=0x0A000000; LR=0x9000A67C; R1=0xBFFFE9D0; XCP=0x00000030 (0xC00 - System call)

 

Kernel version:

Darwin Kernel Version 8.2.0: Fri Jun 24 17:46:54 PDT 2005; root:xnu-792.2.4.obj~3/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=0x23A26A00)

PC=0x008F4BFC; MSR=0x00009030; DAR=0x2CB2934E; DSISR=0x40000000; LR=0x008F5604; R1=0x0CF63AE0; XCP=0x0000000C (0x300 - Data access)

Backtrace:

0x008F6598 0x008F5604 0x008EC7FC 0x008DCB80 0x002E54C0 0x002E738C

0x0008C404 0x000291C0 0x000233AC 0x000ABE2C 0x00000000

Kernel loadable modules in backtrace (with dependencies):

com.apple.GeForce(4.0.6)@0x8d5000

dependency: com.apple.iokit.IOPCIFamily(1.6)@0x476000

dependency: com.apple.iokit.IOGraphicsFamily(1.4)@0x5f9000

dependency: com.apple.iokit.IONDRVSupport(1.4)@0x61d000

dependency: com.apple.NVDAResman(4.0.6)@0x633000

Exception state (sv=0x21136500)

PC=0x9000A738; MSR=0x0200F030; DAR=0x0022B00C; DSISR=0x0A000000; LR=0x9000A67C; R1=0xBFFFE9D0; XCP=0x00000030 (0xC00 - System call)

 

Kernel version:

Darwin K`

 

 

 

New Log:

 

 

panic(cpu 0 caller 0x00823C4C): Apparent UniNorth Hang: AGP STATUS = 0x00000004

 

Latest stack backtrace for cpu 0:

Backtrace:

0x00095698 0x00095BB0 0x0002683C 0x00823C4C 0x0082436C 0x0080D29C 0x002E7800 0x002E96CC

0x0008C430 0x000291C0 0x000233AC 0x000ABFAC 0x2B484350

Kernel loadable modules in backtrace (with dependencies):

com.apple.GeForce(4.1.6)@0x801000

dependency: com.apple.iokit.IOPCIFamily(1.7)@0x47d000

dependency: com.apple.iokit.IOGraphicsFamily(1.4.1)@0x5fe000

dependency: com.apple.iokit.IONDRVSupport(1.4.1)@0x622000

dependency: com.apple.NVDAResman(4.1.6)@0x638000

Proceeding back via exception chain:

Exception state (sv=0x21576780)

PC=0x9000B208; MSR=0x0200F030; DAR=0xE03D9000; DSISR=0x42000000; LR=0x9000B15C; R1=0xBFFFE900; XCP=0x00000030 (0xC00 - System call)

 

Kernel version:

Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC

 

 

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Thanks everyone!

 

Chris