Kernel Panic - can you debug ?

Aug 11, 2008
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Hi Guys,
Newbie here, looking for some assistance with a kernel panic message that keeps appearing.

I have copied the output for you to peruse, any assistance would be apprieciated.

that last time it was working we had a power outage upon restart we get the same old Kernel panic message "restart , yadda, yadda"

Below is what the computer spewed out. Thanks in Advance.



Model: iMac8,1, BootROM IM81.00C1.B00, 2 processors, Intel Core 2 Duo, 2.8 GHz, 2 GB
Graphics: kHW_ATIr600M76plusItem, ATI Radeon HD 2600 Pro, spdisplays_pcie_device, 256 MB
Memory Module: BANK 0/DIMM0, 1 GB, DDR2 SDRAM, 800 MHz
Memory Module: BANK 1/DIMM1, 1 GB, DDR2 SDRAM, 800 MHz
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8C), Broadcom BCM43xx 1.0 (
Bluetooth: Version 2.1.0f17, 2 service, 1 devices, 0 incoming serial ports
Network Service: AirPort, AirPort, en1
Network Service: Parallels Host-Guest, Ethernet, en2
Network Service: Parallels NAT, Ethernet, en3
Serial ATA Device: WDC WD3200AAJS-40VWA1, 298.09 GB
Parallel ATA Device: PIONEER DVD-RW DVR-K06A
USB Device: Built-in iSight, Apple Inc., high_speed, 500 mA
USB Device: Apple Optical USB Mouse, Primax Electronics, low_speed, 500 mA
USB Device: BCM2045B2, Broadcom, full_speed, 500 mA
USB Device: Bluetooth USB Host Controller, Apple, Inc., full_speed, 500 mA
USB Device: IR Receiver, Apple Computer, Inc., low_speed, 500 mA


Mon Aug 11 21:25:05 2008
panic(cpu 1 caller 0x001694C6): "vm_map_unwire: entry is unwired"@/SourceCache/xnu/xnu-1228.5.20/osfmk/vm/vm_map.c:4110
Backtrace, Format - Frame : Return Address (4 potential args on stack)
0x344b7df8 : 0x12b0fa (0x4592a4 0x344b7e2c 0x133243 0x0)
0x344b7e48 : 0x1694c6 (0x45c20c 0x355cc000 0x0 0x344b7f0c)
0x344b7f28 : 0x2e699328 (0x355dc000 0x0 0x0 0x0)
0x344b7fc8 : 0x19ebdc (0x0 0x0 0x1a20b5 0x3fc0048)
Backtrace terminated-invalid frame pointer 0
Kernel loadable modules in backtrace (with dependencies):>0x2e69bfff

BSD process name corresponding to current thread: kernel_task

Mac OS version:

Kernel version:
Darwin Kernel Version 9.4.0: Mon Jun 9 19:30:53 PDT 2008; root:xnu-1228.5.20~1/RELEASE_I386
System model name: iMac8,1 (Mac-F227BEC8)
Sep 5, 2008
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Same Problem

Anyone out there, knows what is happening?

vm_map_unwire: entry is unwired???

Thanks in Advance

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