Bad memory?

Apple OS X

Bad memory?

Posted by Daniel Armstrong on February 9, 2010 at 6:54 pm

My compute, a 2.1 ghz G5 crashes continually, but never at the same time and during different tasks. I think it might be bad memory. I reinstalled everything yesterday. here is the kern panic report and the configuration for when the last crash occurred. maybe someone can decipher these and tell me what might be the problem.

______________________________
KERNEL Panic Report

Unresolved kernel trap(cpu 0): 0x300 – Data access DAR=0x0000000000000002 PC=0x000000000006ED24
Latest crash info for cpu 0:
Exception state (sv=0x287a6a00)
PC=0x0006ED24; MSR=0x00009030; DAR=0x00000002; DSISR=0x42000000; LR=0x0006ECFC; R1=0x28C1FCE0; XCP=0x0000000C (0x300 – Data access)
Backtrace:
0x0006ECD0 0x00066800 0x000AF18C 0x000B22F8
backtrace terminated – frame not mapped or invalid: 0xF00806B0

Proceeding back via exception chain:
Exception state (sv=0x287a6a00)
previously dumped as “Latest” state. skipping…
Exception state (sv=0x29364c80)
PC=0x921C1ADC; MSR=0x0200F030; DAR=0x0009D000; DSISR=0x42000000; LR=0x921C1A1C; R1=0xF00806B0; XCP=0x0000000C (0x300 – Data access)

BSD process name corresponding to current thread: mdworker

Mac OS version:
9A581

Kernel version:
Darwin Kernel Version 9.0.0: Tue Oct 9 21:37:58 PDT 2007; root:xnu-1228~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 – Data access
Latest stack backtrace for cpu 0:
Backtrace:
0x0009AD18 0x0009B6BC 0x00029DC4 0x000AEA90 0x000B22F8
Proceeding back via exception chain:
Exception state (sv=0x287a6a00)
PC=0x0006ED24; MSR=0x00009030; DAR=0x00000002; DSISR=0x42000000; LR=0x0006ECFC; R1=0x28C1FCE0; XCP=0x0000000C (0x300 – Data access)
Backtrace:
0x0006ECD0 0x00066800 0x000AF18C 0x000B22F8
backtrace terminated – frame not mapped or invalid: 0xF00806B0

Exception state (sv=0x29364c80)
PC=0x921C1ADC; MSR=0x0200F030; DAR=0x0009D000; DSISR=0x42000000; LR=0x921C1A1C; R1=0xF00806B0; XCP=0x0000000C (0x300 – Data access)

BSD process name corresponding to current thread: mdworker

_____________________________
CONFIGURATION

Model: PowerMac12,1, BootROM 5.2.6f1, 1 processor, PowerPC G5 (3.1), 2.1 GHz, 1 GB
Graphics: kHW_ATIrv380Item, ATY,RV380, spdisplays_pcie_device, 128 MB
Memory Module: DIMM0/BUILT-IN, 512 MB, built-in, built-in
Memory Module: DIMM1/J6700, 512 MB, DDR2 SDRAM, PC2-4200U-444
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x4318), Broadcom BCM43xx 1.0 (4.170.25.10)
Bluetooth: Version 2.0.0f20, 2 service, 1 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
PCI Card: ATY,RV380, display, PCI-E
Serial ATA Device: WDC WD2500JS-40MVB1, 232.89 GB
Parallel ATA Device: MATSHITADVD-R UJ-846
USB Device: hub_device, high_speed, 500 mA
USB Device: Built-in iSight, Micron, high_speed, 500 mA
USB Device: IR Receiver, Apple Computer, Inc., full_speed, 500 mA
USB Device: Hub in Apple Extended USB Keyboard, Mitsumi Electric, full_speed, 500 mA
USB Device: Apple Extended USB Keyboard, Mitsumi Electric, full_speed, 250 mA
USB Device: Bluetooth USB Host Controller, Apple, Inc., full_speed, 500 mA
USB Device: USB Optical Mouse, Logitech, low_speed, 500 mA

Zane Barker replied 16 years, 6 months ago 2 Members · 1 Reply
1 Reply

Zane Barker
February 10, 2010 at 3:54 am

Could be ram but that panic log is pointing to the CPU so it could also be a bad CPU.

[Daniel Armstrong] “My compute, a 2.1 ghz G5”

That machine is got to be about 6 years old. You could try some new ram but it that does not work then it is NOT going to be worth fixing. When I priced a similar repair on a near 5 year old G5 the cost was going to be just over $1000 so definitely NOT worth it.

Hindsight is always 1080p

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