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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

kernel panic...


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tallboy
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can anyone help me in diagnosing an ongoing kernel panic? here's a sample:

[quote]Fri Feb 17 17:51:21 2006

Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x000000000000022C PC=0x000000000024F100
Latest crash info for cpu 0:
Exception state (sv=0x1C75B500)
PC=0x0024F100; MSR=0x00009030; DAR=0x0000022C; DSISR=0x40000000; LR=0x0024F0F4; R1=0x0A13B9D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0024F0F4 0x0025D194 0x0025D1E8 0x0025D1E8 0x0025D1E8 0x0025D1E8 0x0028850C 0x002884C4
0x00267CE4 0x002886AC 0x00280034 0x0007B3B4 0x00021668 0x0001BCE8 0x0001C0F0 0x000942B8
0x00490044
Kernel loadable modules in backtrace (with dependencies):
com.apple.iokit.IOPCIFamily(1.4)@0x487000
Proceeding back via exception chain:
Exception state (sv=0x1C75B500)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x1C98D500)
PC=0x900074C8; MSR=0x0000F030; DAR=0x0577D000; DSISR=0x42000000; LR=0x90007018; R1=0xF0080160; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 7.8.0:
Wed Dec 22 14:26:17 PST 2004; root:xnu/xnu-517.11.1.obj~1/RELEASE_PPC


panic(cpu 0): 0x300 - Data access
Latest stack backtrace for cpu 0:
Backtrace:
0x000835F8 0x00083ADC 0x0001EDA4 0x00090BD8 0x00093FCC
Proceeding back via exception chain:
Exception state (sv=0x1C75B500)
PC=0x0024F100; MSR=0x00009030; DAR=0x0000022C; DSISR=0x40000000; LR=0x0024F0F4; R1=0x0A13B9D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0024F0F4 0x0025D194 0x0025D1E8 0x0025D1E8 0x0025D1E8 0x0025D1E8 0x0028850C 0x002884C4
0x00267CE4 0x002886AC 0x00280034 0x0007B3B4 0x00021668 0x0001BCE8 0x0001C0F0 0x000942B8
0x00490044
Kernel loadable modules in backtrace (with dependencies):
com.apple.iokit.IOPCIFamily(1.4)@0x487000
Exception state (sv=0x1C98D500)
PC=0x900074C8; MSR=0x0000F030; DAR=0x0577D000; DSISR=0x42000000; LR=0x90007018; R1=0xF0080160; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 7.8.0:
Wed Dec 22 14:26:17 PST 2004; root:xnu/xnu-517.11.1.obj~1/RELEASE_PPC[quote]
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surfwax95

 
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Seems to be a problem with your graphics card, do you think you could post your computer's specs?

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macAttack

 
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what were you doing at the time it happened?
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tallboy
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it's an ibook g3 700 with 384mb sdram. i just installed a new 256 ram chip to see if that was the cause of the kernel panic. obviously not, but strangely, without the ram installed it didn't have any kernel panics. though that might be due to it being slow enough to the point where we never used it as much as before, but food for thought.

here's my graphics card info:

Type: display
Bus: AGP
Slot: ATI
VRAM (Total): 16 MB
Vendor: ATI (0x1002)
Device ID: 0x4c59
Revision ID: 0x0000
ROM Revision: 113-XXXXX-127
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tallboy
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it happens at random times. sometimes when doing completely normal things, like browsing in firefox, other times it happens when the screen saver is running. there seems to be no discernable source. it doesn't happen when i do one specific thing, let's say.
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macAttack

 
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Member Since: Apr 23, 2005
Location: Cape Cod, MA
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where is te computer? on your lap? on the table? If its not in a well ventialted place, it will panic, used to happen all the time to me.
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tallboy
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it's on the desk 90% of the time. because you mentioned the graphics card, plus the fact that it's had a kernel panic six times this evening while it's been running the screen saver, i go to turn it off and when it runs the preview in the little window, it has more kernel panics.

i am getting seriously freaked out here.
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tallboy
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does the ibook g3 700mhrz have a seperate graphics card? from what i'm, finding, it doesn't, but i may be wrong.

i may also be drunk, too. so that might have some bearing on the information i'm finding.
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