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Pismo Kernel Panics
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Mac Elite
Join Date: Sep 2005
Status:
Offline
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I bought a used Pismo from a friend, and I've had nothing but trouble with it.
I've reset the PRAM, re-installed Tiger twice, run AHT and TechTool Pro (passed w/ flying colours), and the usual routine. Sometimes it panics during the user profile loading, sometimes it panics just with regular use, but most often, it panics/freezes when coming out of sleep. I managed to snag this panic log:
Code:
Sat Mar 25 22:38:48 2006
Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000014 PC=0x000000000003C11C
Latest crash info for cpu 0:
Exception state (sv=0x20A14C80)
PC=0x0003C11C; MSR=0x00001030; DAR=0x00000014; DSISR=0x40000000; LR=0x0003C078; R1=0x0A313E70; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0001DBB0 0x0002E7AC 0x000AC02C 0x012C8E40
Proceeding back via exception chain:
Exception state (sv=0x20A14C80)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x2516E500)
PC=0x90032F28; MSR=0x0000F030; DAR=0xE00EF000; DSISR=0x42000000; LR=0x9075CF30; R1=0xBFFFF820; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.5.0: Sun Jan 22 10:38:46 PST 2006; root:xnu-792.6.61.obj~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
Backtrace:
0x00095718 0x00095C30 0x0002683C 0x000A8384 0x000ABD00
Proceeding back via exception chain:
Exception state (sv=0x20A14C80)
PC=0x0003C11C; MSR=0x00001030; DAR=0x00000014; DSISR=0x40000000; LR=0x0003C078; R1=0x0A313E70; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0001DBB0 0x0002E7AC 0x000AC02C 0x012C8E40
Exception state (sv=0x2516E500)
PC=0x90032F28; MSR=0x0000F030; DAR=0xE00EF000; DSISR=0x42000000; LR=0x9075CF30; R1=0xBFFFF820; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.5.0: Sun Jan 22 10:38:46 PST 2006; root:xnu-792.6.61.obj~1/RELEASE_PPC
*********
The hard drive is perfectly fine (did a thorough bad-sector test), so basically I'm suspecting either the logic board or the RAM -- but both did pass AHT/TechTool. There is currently 384 MB of RAM in the laptop (128 + 256), and I've ordered a 512 MB SODIMM which should arrive this week.
What do you guys/gals think? Any hope for this Pismo?
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Mac Elite
Join Date: Oct 1999
Location: New York
Status:
Offline
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I think you're right - bad ram or logic board. Let us know when you get the ram how it goes.
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Mac Enthusiast
Join Date: Nov 2001
Location: California
Status:
Offline
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My mom got a PowerBook G3 (Pismo) a few years ago. We were having similar problems. We were afraid it was a bad buy (ebay). Tech Tool Pro cleared it, however. We also reinstalled the operating system, reformatted the hard drive. The pesistent disk corruption made me suspect the hard drive at first.
Removing the added RAM stopped the panics and relating disk corruption (mostly with permissions), although it did run slow as molasses and sounded like it was thrashing it's brains out with all the paging to the disk. It ceased to panic. If that stops your problem, the new memory should be a vast improvement.
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12" Powerbook 1.5GHz/SuperDrive, 1.25GB Ram, 80GB HD, Airport Extreme, Mac OS X 10.4.11 Tiger
iBook (Late 2001)600MHz/Combo, 640MB RAM, 20GB HD, Airport, Mac OS X 10.3.9 Panther — web server
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