[inarges]

Okay, here goes -- if anyone out there can give me some advice I would appreciate it SO MUCH.

I have a dual 867 G4, running 10.2.8, 2GB RAM.

I've been having a problem with occasional kernel panics that I just can't seem to solve.

I don't have any Norton or Symantec software. I regularly run Disk Warrior. I don't have any new applications that would have triggered these kernel panics.

I've gotten to the point where I've started pulling out RAM -- I thought the one that's now sitting on my desk was the culprit, as I had gone over a week with no panics. However, last night...

I did previously have a problem with 10.2.5 and my USB hub causing panics -- but 10.2.6 seemed to fix that. It was a while before they started cropping up again.

So, is anyone out there able to decode a kernel panic log? Because this is what I got from last night. I haven't a clue what it means, other than "you had a kernel panic."

Thank you SO much in advance if anyone can help.

---------------------------------

Unresolved kernel trap(cpu 1): 0x400 - Inst access DAR=0x0027fef0 PC=0xfffef054
Latest crash info for cpu 1:
Exception state (sv=0x1C440280)
PC=0xFFFEF054; MSR=0x40009030; DAR=0x0027FEF0; DSISR=0x40000000; LR=0x001FC388; R1=0x17173D40; XCP=0x00000010 (0x400 - Inst access)
Backtrace:
0x001FC328 0x001F010C 0x001D9CD0 0x001D9DD0 0x0020FF8C 0x00092950 0xFF1D48A9
Proceeding back via exception chain:
Exception state (sv=0x1C440280)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x1C6ADC80)
PC=0x9000AEAC; MSR=0x0000F030; DAR=0x0027FEF0; DSISR=0x40000000; LR=0x0063193C; R1=0xF0182C30; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 6.8:
Wed Sep 10 15:20:55 PDT 2003; root:xnu/xnu-344.49.obj~2/RELEASE_PPC


panic(cpu 1): 0x400 - Inst access
Latest stack backtrace for cpu 1:
Backtrace:
0x000857F4 0x00085C24 0x000287B4 0x0008F6A8 0x000927B8
Proceeding back via exception chain:
Exception state (sv=0x1C440280)
PC=0xFFFEF054; MSR=0x40009030; DAR=0x0027FEF0; DSISR=0x40000000; LR=0x001FC388; R1=0x17173D40; XCP=0x00000010 (0x400 - Inst access)
Backtrace:
0x001FC328 0x001F010C 0x001D9CD0 0x001D9DD0 0x0020FF8C 0x00092950 0xFF1D48A9
Exception state (sv=0x1C6ADC80)
PC=0x9000AEAC; MSR=0x0000F030; DAR=0x0027FEF0; DSISR=0x40000000; LR=0x0063193C; R1=0xF0182C30; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 6.8:
Wed Sep 10 15:20:55 PDT 2003; root:xnu/xnu-344.49.obj~2/RELEASE_PPC

[memento]

Originally posted by inarges:
Okay, here goes -- if anyone out there can give me some advice I would appreciate it SO MUCH.

I have a dual 867 G4, running 10.2.8, 2GB RAM.

I've been having a problem with occasional kernel panics that I just can't seem to solve.

I don't have any Norton or Symantec software. I regularly run Disk Warrior. I don't have any new applications that would have triggered these kernel panics.

I've gotten to the point where I've started pulling out RAM -- I thought the one that's now sitting on my desk was the culprit, as I had gone over a week with no panics. However, last night...

I did previously have a problem with 10.2.5 and my USB hub causing panics -- but 10.2.6 seemed to fix that. It was a while before they started cropping up again.

So, is anyone out there able to decode a kernel panic log? Because this is what I got from last night. I haven't a clue what it means, other than "you had a kernel panic."

Thank you SO much in advance if anyone can help.

---------------------------------

Unresolved kernel trap(cpu 1): 0x400 - Inst access DAR=0x0027fef0 PC=0xfffef054
Latest crash info for cpu 1:
Exception state (sv=0x1C440280)
PC=0xFFFEF054; MSR=0x40009030; DAR=0x0027FEF0; DSISR=0x40000000; LR=0x001FC388; R1=0x17173D40; XCP=0x00000010 (0x400 - Inst access)
Backtrace:
0x001FC328 0x001F010C 0x001D9CD0 0x001D9DD0 0x0020FF8C 0x00092950 0xFF1D48A9
Proceeding back via exception chain:
Exception state (sv=0x1C440280)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x1C6ADC80)
PC=0x9000AEAC; MSR=0x0000F030; DAR=0x0027FEF0; DSISR=0x40000000; LR=0x0063193C; R1=0xF0182C30; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 6.8:
Wed Sep 10 15:20:55 PDT 2003; root:xnu/xnu-344.49.obj~2/RELEASE_PPC


panic(cpu 1): 0x400 - Inst access
Latest stack backtrace for cpu 1:
Backtrace:
0x000857F4 0x00085C24 0x000287B4 0x0008F6A8 0x000927B8
Proceeding back via exception chain:
Exception state (sv=0x1C440280)
PC=0xFFFEF054; MSR=0x40009030; DAR=0x0027FEF0; DSISR=0x40000000; LR=0x001FC388; R1=0x17173D40; XCP=0x00000010 (0x400 - Inst access)
Backtrace:
0x001FC328 0x001F010C 0x001D9CD0 0x001D9DD0 0x0020FF8C 0x00092950 0xFF1D48A9
Exception state (sv=0x1C6ADC80)
PC=0x9000AEAC; MSR=0x0000F030; DAR=0x0027FEF0; DSISR=0x40000000; LR=0x0063193C; R1=0xF0182C30; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 6.8:
Wed Sep 10 15:20:55 PDT 2003; root:xnu/xnu-344.49.obj~2/RELEASE_PPC

I have a DP867 also. Random KPs. The only thing I haven't tried is disconnecting my external FW drives. Do you have any?

[inarges]

Oh REALLY? That's interesting... do you have any suspects in your case?

I don't have any external FW drives -- except when I boot up my laptop in Target Disk Mode, which is not that often. Less than once a month, I'd say.

I do have a Macally 4-port USB hub.

I didn't even know what a kernel panic WAS until the whole 10.2.5 debacle. That's part of the reason I suspected my RAM -- it was around the time that I bought 2 more 512 sticks that this started happening.

The problem is that it's always been intermittent, which makes it very slow to troubleshoot by removing RAM. I've resorted to that since I don't know what else to do at this point.

[JB72]

Originally posted by memento:
I have a DP867 also. Random KPs. The only thing I haven't tried is disconnecting my external FW drives. Do you have any?

The memory is always suspect if you're having a lot of KPs. I had a ton in my dual gig MDD until I went and got Crucial RAM, and now all is good.

[mitchell_pgh]

Originally posted by JB72:
The memory is always suspect if you're having a lot of KPs. I had a ton in my dual gig MDD until I went and got Crucial RAM, and now all is good.

Same here... I was pissed... cleaned the HD, did everything I could think of...

(it was actually the $20 RAM that I placed in the thing) went and purchased some inexpensive Crucial... now it's all good.

[inarges]

What's Crucial RAM?

I have PC2100 DDR, two from Apple & two "OEM" from Macwarehouse (I'm looking at one right now & I don't see any identifying information).

[tooki]

crucial.com

tooki

[Cadaver]

It is possible that bad RAM has corrupted key files in your OS that will still lead to KPs, even after the RAM is out.

I know its extreme, but if all else fails, pull the suspect RAM and then reinstall the OS. Then see how long it'll can go without a crash.