[shdwghst457]

While my June 2004 Power Mac has power issues in another thread, my 2.0DC (Late 2005) has been kernel panicking to no end. I've tried component isolation and have reseated the processor, changed the RAM, reset PMU, and have used different hard drives (it's definitely NOT an OS issue!) but I can't get it to stop kernel panicking. The weird part is that if the machine is left off for a long time (read: 24 hours or so) then it will work again for a day or so, but once it dies it won't work again for another 24 hours. Alternatively, sometimes before it even gets a chance to KP, it simply turns on and beeps at me 3 times (bad RAM banks error) and then kicks the fans on full blast. Anyone out there think this is anything other than the logic board? Why does letting it rest make it work again?

It also isn't on it's first logic board, because it doesn't have a serial number. that makes 2 Power Mac G5s I own that have had logic board replacements that Apple has forgotten to serialize!

[reader50]

Please post the log entry from the most recent 2-4 kernel panics. You can find it in /Library/Logs/panic.log

[Doc HM]

I'd say logic board. The G5 2.0 dual is shocking for them. It's the heat that does for them. The crash logs will probably point to some unspecific problem related to memory, but it's the board that actually causes it.

[shdwghst457]

i do notice that the processor temp is around 170F during processes such as video rendering, and the CPU fans stay around 600 rpm (never seen them above 700, front or back). wonder why they don't speed up?

[shdwghst457]

Wed Sep 2 00:50:20 2009


Unresolved kernel trap(cpu 0): 0x400 - Inst access DAR=0x0000000000335B50 PC=0x000000007C420030
Latest crash info for cpu 0:
Exception state (sv=0x58a9a500)
PC=0x7C420030; MSR=0x00009030; DAR=0x00335B50; DSISR=0x00000000; LR=0x0036DA18; R1=0x62ACB430; XCP=0x00000010 (0x400 - Inst access)
Backtrace:
0x0036D950 0x00368658 0x005CD284 0x005CE540 0x005CE888 0x00B186F8
0x00B18B24 0x0011A888 0x000DFA3C 0x0010CE78 0x000E50DC 0x000E7784 0x000E7CE4 0x00253DFC
0x0010A8C4 0x001023CC 0x002B6248 0x002B6434 0x003100AC 0x000B4448 0x00000000
backtrace terminated - frame not mapped or invalid: 0xBFFFE330

Kernel loadable modules in backtrace (with dependencies):
com.apple.BootCache(30.4)@0xb15000->0xb1afff
com.apple.iokit.IOStorageFamily(1.5.6)@0x5b9000->0x5d9fff
Proceeding back via exception chain:
Exception state (sv=0x58a9a500)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x58ab1000)
PC=0x9043C6C0; MSR=0x0200D030; DAR=0xE4E29030; DSISR=0x40000000; LR=0x94D7810C; R1=0xBFFFE330; XCP=0x00000030 (0xC00 - System call)

BSD process name corresponding to current thread: launchctl

Mac OS version:
9L31a

Kernel version:
Darwin Kernel Version 9.8.0: Wed Jul 15 16:57:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_PPC
System model name: PowerMac11,2

System uptime in nanoseconds: 21129968247
unloaded kexts:
(none)
loaded kexts:
com.apple.driver.CSRUSBBluetoothHCIController 2.1.8f2 - last loaded 550005666
com.apple.driver.AppleUSBBluetoothHCIController 2.1.8f2
com.apple.driver.IOI2CPulsar 1.5.2d0
com.apple.driver.IOI2CControllerSMU 1.1.1d2
com.apple.driver.AppleFileSystemDriver 1.1.0
com.apple.driver.CSRHIDTransitionDriver 2.1.8f2
com.apple.driver.XsanFilter 2.7.91
com.apple.iokit.IOATABlockStorage 2.0.6
com.apple.driver.AppleUSBHub 3.4.9
com.apple.iokit.IOUSBUserClient 3.4.9
com.apple.driver.AppleK2SATA 1.0.4f2
com.apple.driver.AppleGPIO 1.3.0d0
com.apple.driver.MacIOGPIO 1.3.0d0
com.apple.driver.AppleMPIC 1.5.3
com.apple.driver.AppleI2C 4.0.0d2
com.apple.driver.IOI2CControllerPPC 1.1.1d2
com.apple.driver.AppleFWOHCI 3.9.7
com.apple.driver.AppleKauaiATA 1.2.1f4
com.apple.driver.AppleK2SATARoot 1.0.5b1
com.apple.driver.AppleUSBEHCI 3.4.6
com.apple.driver.AppleUSBOHCI 3.4.6
com.apple.driver.AirPortBrcm43xx 366.91.21
com.apple.driver.AppleK2 1.7.2f1
com.apple.iokit.AppleBCM5701Ethernet 2.2.3b1
com.apple.driver.AppleSMU 1.2.1d1
com.apple.driver.AppleMacRiscPCI 3.4.0
com.apple.driver.AppleCore99NVRAM 1.1.1
com.apple.driver.AppleFlashNVRAM 1.0.5
com.apple.security.seatbelt 107.12
com.apple.nke.applicationfirewall 1.6.77
com.apple.security.TMSafetyNet 3
com.apple.iokit.IOHIDFamily 1.5.5
com.apple.BootCache 30.4
com.apple.driver.DiskImages 199
com.apple.driver.AppleMacRISC4PE 2.0.4d9
com.apple.iokit.IOBluetoothFamily 2.1.8f2
com.apple.driver.AppleUSBComposite 3.2.0
com.apple.driver.IOI2CFamily 1.1.1d2
com.apple.iokit.IOFireWireFamily 3.4.9
com.apple.iokit.IOATAFamily 2.0.1
com.apple.iokit.IOUSBFamily 3.4.9
com.apple.iokit.IO80211Family 216.1
com.apple.iokit.IOKeyLargo 1.7.2f1
com.apple.iokit.IONetworkingFamily 1.6.1
com.apple.iokit.IOStorageFamily 1.5.6
com.apple.iokit.IOPCIFamily 2.6
com.apple.driver.IOPlap

[shdwghst457]

Wed Oct 7 01:57:18 2009


Unresolved kernel trap(cpu 0): 0x400 - Inst access DAR=0x000000006F6D70A1 PC=0x00000000008AD1C0
Latest crash info for cpu 0:
Exception state (sv=0x65c7dc80)
PC=0x008AD1C0; MSR=0x40001030; DAR=0x6F6D70A1; DSISR=0x40000000; LR=0x00036944; R1=0x665BB380; XCP=0x00000010 (0x400 - Inst access)
Backtrace:
0x00035EB4 0x00036B98 0x0001EF60 0x0002C7F8 0x0004C02C 0x0002A14C
0x0002A32C 0x0002A3D4 0x00297F54 0x0029A008 0x002A7654 0x002A80EC 0x000278B8 0x000B46D8
0x000B02B0 0x000B1298 0x000B4278
backtrace terminated - frame not mapped or invalid: 0xBFFFD060

Proceeding back via exception chain:
Exception state (sv=0x65c7dc80)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x5ad42a00)
PC=0x9356456C; MSR=0x0200F030; DAR=0x6F6D70A1; DSISR=0x00200000; LR=0x9357B708; R1=0xBFFFD060; XCP=0x00000003 (Unknown)

BSD process name corresponding to current thread: SyncServer

Mac OS version:
9L31a

Kernel version:
Darwin Kernel Version 9.8.0: Wed Jul 15 16:57:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_PPC
System model name: PowerMac11,2

System uptime in nanoseconds: 110470198728
unloaded kexts:
(none)
loaded kexts:
com.Logitech.driver.HIDDevices 2.1.3
com.apple.driver.AppleBluetoothHIDMouse 1.2.4b3 - last loaded 1524119623
com.apple.driver.IOBluetoothHIDDriver 2.1.8f2
com.apple.driver.AppleHIDMouse 1.2.4b3
com.apple.driver.InternalModemSupport 2.4.0
com.apple.filesystems.autofs 2.0.2
com.apple.driver.AppleTopazAudio 2.5.8f1
com.apple.driver.AppleOnyxAudio 2.5.8f1
com.apple.iokit.IOBluetoothSerialManager 2.1.8f2
com.apple.driver.DiskImages 199
com.apple.driver.AppleTexasAudio 2.5.8f1
com.apple.GeForcePPC 5.4.8
com.apple.driver.AppleTexas2Audio 2.5.8f1
com.apple.driver.PowerMac11_2_ThermalProfile 3.4.0d0
com.apple.driver.AudioIPCDriver 1.0.6
com.apple.driver.AppleSCCSerial 1.3.2
com.apple.driver.AppleDACAAudio 2.5.8f1
com.apple.driver.AppleHWSensor 1.9d0
com.apple.nvidia.nv40halppc 5.4.8
com.apple.driver.IOI2CSMUSat 1.9d0
com.apple.driver.AirPortBrcm43xx 366.91.21
com.apple.driver.IOI2CLM7x 1.9d0
com.apple.driver.AppleUSBDisplays 2.0.2
com.apple.iokit.IOFireWireIP 1.7.7
com.apple.driver.AppleUSBAudio 2.6.4b17
com.apple.driver.AppleK2Driver 1.7.2f1
com.apple.driver.IOI2CMaxim6690 1.9d0
com.apple.driver.AppleSMUMonitor 1.9d0
com.apple.driver.IOI2CMaxim1631 1.9d0
com.apple.driver.AppleI2S 1.0.1f1
com.apple.iokit.AppleBCM5701Ethernet 2.2.3b1
com.apple.driver.CSRUSBBluetoothHCIController 2.1.8f2
com.apple.driver.IOI2CPulsar 1.5.2d0
com.apple.driver.IOI2CControllerSMU 1.1.1d2
com.apple.driver.AppleFileSystemDriver 1.1.0
com.apple.driver.CSRHIDTransitionDriver 2.1.8f2
com.apple.driver.AppleUSBMergeNub 3.4.6
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.1.1
com.apple.iokit.SCSITaskUserClient 2.1.1
com.apple.driver.XsanFilter 2.7.91
com.apple.iokit.IOATABlockStorage 2.0.6
com.apple.driver.AppleUSBHub 3.4.9
com.apple.iokit.IOUSBUserClient 3.4.9
com.apple.iokit.IOATAPIProtocolTransport 1.5.3
com.apple.driver.AppleK2SATA 1.0.4f2
com.apple.driver.AppleGPIO 1.3.0d0
com.apple.driver.MacIOGPIO 1.3.0d0
com.apple.driver.AppleMPIC 1.5.3
com.apple.driver.AppleI2C 4.0.0d2
com.apple.driver.IOI2CControllerPPC 1.1.1d2
com.apple.driver.AppleSMU 1.2.1d0

[shdwghst457]

this is where it gets weird

Wed Oct 7 02:41:37 2009


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>AoZportBrgZp3xx 37Zp91.21ZqOI2CLOZp 1.9d7Zp!UDiswZqys 2.7Zp
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>IOZpCMaxioZp90 1.?Zp
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>!GZpS 1.0/Zp1
|!AGZq5701EwZqrnet 7Zp.3b1
?ZqRUSB!GZqI!C 2/Zp8f2
>OZq2CPulwZp 1.5.7Zp
>IOI7ZqCSMU 7Zq.1d2
?ZqFileSZpemDriwZp 1.1.7ZpCSRHIGZpansitoZpDrivewZp.1.8f7Zp!UMergZpub 3.7Zp
|IOSGZqMultioZpiaComoZpdsDevoZq 2.1.7ZpSCSITgZqUserCoZqnt 2.7Zq
>XsaoZqlter 7Zq.91
|OZqTABlogZqS 2.0/Zp>!UHugZq.4.9
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|OZqTAPIPwZpocolTwZpsportZp5.3
>'Zq2SATAZp0.4f2ZqAGPIOZp3.0d0ZqacIOGWZq 1.3.7Zp
>!AMWZq 1.5.7Zp!AI2CZp0.0d2ZqOI2C!GZpC 1.1/Zp2
>!AWZq 1.2.7Zq
>!AFWZpCI 3.?Zq
>!AKgZqiATA 7Zp.1f4
?ZqK2SATGZqot 1.7Zqb1
>!WZpCI 3.7Zp
>!UOOZq 3.4.7Zp!AK2 7Zq.2f1
?ZqMacR`

[shdwghst457]

and the latest one:

Wed Oct 7 02:52:56 2009


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'Zp BagZprace:Zp000007Zq 0x007Zq714 0Zp04BE4GZpx0002GZqC 0x07ZpA360 7Zp00B02GZp
'Zp 0x07Zp1298 7Zp00B427Zp
'Zp bacoZpace tgZqinategZq framgZpot mawZqd or oZpalid:'ZpBFFFC7Zp

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>!AWZq 1.2.7Zq
>!AFWZpCI 3.?Zq
>!AKgZqiATA 7Zp.1f4
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?ZqMacR`

[reader50]

The first KP report suggests a hard drive issue of some sort. The 2nd one doesn't suggest anything to me. The two weird ones show text corruption - some of the character bits are off. When the system crashes, the KP report is stored in pram (flash RAM) until the next boot - then written out to the hard drive. Flash requires higher voltage during write operations.

You've tried different hard drives, so what would be common across drives? Drives have motors, they require a power surge to spin up. Suppose your power supply has weakened, and the system crashes whenever it can't keep up. - ie, system wants more power. Voltage drops, and the system KPs.

Do you have a voltmeter to stick on the power connector for an unused drive bay? I'd suggest putting it on the 12-volt rail, then monitor as you use the computer for awhile.

[shdwghst457]

i was typing a response on that computer when it died again. just so you know, the system crashes even it has no hard drives or optical drives, or external devices. but no, i don't have a PSU tester. i've already won an ebay auction for a new board so we'll see if that fixes it.

[shdwghst457]

consider this thread closed, a simple logic board swap did the trick!