Kernel Panic!


macrumors 6502a
Original poster
Jul 12, 2007
I was installing updates, and it asked me to reboot. I was in the middle of typing something, so I just disregarded the message. I forgot about it, and opened Dashboard. Then, I got the KP. Here's what the log said:

panic(cpu 1 caller 0x001A4A55): Unresolved kernel trap (CPU 1, Type 14=page fault), registers:
CR0: 0x8001003b, CR2: 0x0000004d, CR3: 0x01010000, CR4: 0x000006e0
EAX: 0x00000001, EBX: 0x1e71d0a0, ECX: 0x00000001, EDX: 0x1e6b10b4
CR2: 0x0000004d, EBP: 0x142ebc08, ESI: 0x1e71d100, EDI: 0x2c757000
EFL: 0x00010202, EIP: 0x008e1231, CS:  0x00000008, DS:  0x1e710010

Backtrace, Format - Frame : Return Address (4 potential args on stack) 
0x142eb9b8 : 0x128d08 (0x3cc0ec 0x142eb9dc 0x131de5 0x0) 
0x142eb9f8 : 0x1a4a55 (0x3d2524 0x1 0xe 0x3d1d48) 
0x142ebb08 : 0x19aeb4 (0x142ebb20 0x3e9a600 0x142ebb68 0x8dabb1) 
0x142ebc08 : 0x8d93b4 (0x2c757000 0x142ebc28 0x142ebc58 0x2c757168) 
0x142ebc58 : 0x8bb37a (0x2c757000 0x142ebcd0 0x0 0x0) 
0x142ebcf8 : 0x3b1449 (0x2c757000 0x1 0x142ebd2c 0x142ebd28) 
0x142ebd38 : 0x3b4905 (0x2c757000 0x1 0x31e01d0 0x1) 
0x142ebd68 : 0x189db1 (0x2c757000 0x1 0x31e01d0 0x3f6c7c0) 
0x142ebdb8 : 0x12b4c3 (0x3f6c78c 0x3f3f8a0 0x142ebdf8 0x11e042) 
0x142ebdf8 : 0x124b17 (0x3f6c700 0x2911c60 0x3820f58 0x0) 
0x142ebf08 : 0x195a42 (0x142ebf44 0x0 0x0 0x0) 
0x142ebfc8 : 0x19b32e (0x334c1c0 0x0 0x10 0x0) No mapping exists for frame pointer
Backtrace terminated-invalid frame pointer 0xbfffd348
      Kernel loadable modules in backtrace (with dependencies):

Kernel version:
Darwin Kernel Version 8.10.3: Wed Jun 27 23:29:36 PDT 2007; root:xnu-792.23.3~1/RELEASE_I386

Model: iMac7,1, BootROM IM71.007A.B00, 2 processors, Intel Core 2 Duo, 2 GHz, 1 GB
Graphics: ATI Radeon HD 2400 XT, ATI,RadeonHD2400, PCIe, 128 MB
Memory Module: BANK 0/DIMM0, 1 GB, DDR2 SDRAM, 667 MHz
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x88), Broadcom BCM43xx 1.0 (
Bluetooth: Version 1.9.1f18, 2 service, 1 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: WDC WD2500AAJS-40RYA0, 232.89 GB
Parallel ATA Device: MATSHITADVD-R   UJ-85J
USB Device: Built-in iSight, Apple Inc., Up to 480 Mb/sec, 500 mA
USB Device: Keyboard Hub, Apple, Inc., Up to 480 Mb/sec, 500 mA
USB Device: Apple Keyboard, Apple, Inc, Up to 1.5 Mb/sec, 100 mA
USB Device: Photosmart C4200 series, HP, Up to 480 Mb/sec, 500 mA
USB Device: Apple Optical USB Mouse, Mitsumi Electric, Up to 1.5 Mb/sec, 500 mA
USB Device: IR Receiver, Apple Computer, Inc., Up to 1.5 Mb/sec, 500 mA
USB Device: Bluetooth USB Host Controller, Apple, Inc., Up to 12 Mb/sec, 500 mA
The only thing I could think of that would have caused it was iStat Pro, as the KP occured right after it loaded. I haven't installed any new RAM or other hardware. I'm not too worried about this, but I'd like to know what caused it.


Moderator emeritus
Oct 21, 2003
Portland, OR
It's a video card problem.

Let me rephrase that. It was casued by an issue accessing the video card.

At this point you need to determine if it's a transient KP or if it's a reproducable KP. If this doesn't occur again, I wouldn't worry about it.


macrumors 6502a
Original poster
Jul 12, 2007
iStat Pro shows the GPU at 131 degrees, GPU Diode at 135 degrees, and the GPU heatsink at 130 degrees. I'm not sure if that's normal, but it sounds extremely hot.