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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > How do you find out the cause of a Kernel Panic?

How do you find out the cause of a Kernel Panic?
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May 4, 2005, 02:06 PM
 
Since 10.4 I occasionally get a KP when I choose Shutdown. I would like to know what the heck is causing this as I haven't had a Kernel Panic is 3 years. This is the report it sends to Apple...

panic(cpu 0 caller 0x000E4B4C): vnode_rele_ext: vp 262ef78 usecount -ve : -1
Latest stack backtrace for cpu 0:
Backtrace:
0x00095564 0x00095A7C 0x00026838 0x000E4B4C 0x000EB518 0x000E60C4 0x0026C2F4 0x00278C70
0x002A8174 0x000ABA30 0x00000026
Proceeding back via exception chain:
Exception state (sv=0x3B162000)
PC=0x900C2E00; MSR=0x0000D030; DAR=0x901EB3CA; DSISR=0x40000000; LR=0x0000292C; R1=0xBFFFFEA0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPCModel: PowerMac7,2, BootROM 5.1.4f0, 2 processors, PowerPC 970 (2.2), 2 GHz, 2.5 GB
Graphics: ATI Radeon 9600 Pro, ATY,RV350, AGP, 64 MB
Memory Module: DIMM0/J11, 256 MB, DDR SDRAM, PC3200U-30330
Memory Module: DIMM1/J12, 256 MB, DDR SDRAM, PC3200U-30330
Memory Module: DIMM2/J13, 512 MB, DDR SDRAM, PC3200U-30330
Memory Module: DIMM3/J14, 512 MB, DDR SDRAM, PC3200U-30330
Memory Module: DIMM4/J41, 512 MB, DDR SDRAM, PC3200U-30330
Memory Module: DIMM5/J42, 512 MB, DDR SDRAM, PC3200U-30330
Modem: MicroDash, UCJ, V.92, 1.0F, APPLE VERSION 2.6.4
Bluetooth: Version 1.6.0f2, 2 service, 1 devices, 1 incoming serial ports
Network Service: Built-in Ethernet, Ethernet, en0
Serial ATA Device: ST3160023AS, 149.05 GB
Serial ATA Device: ST3250823AS, 232.89 GB
Parallel ATA Device: PIONEER DVD-RW DVR-106D,
USB Device: Hub, , Up to 12 Mb/sec, 500 mA
USB Device: BCM2033, Broadcom Corp., Up to 12 Mb/sec, 500 mA
USB Device: MP130, Canon, Up to 12 Mb/sec, 500 mA
USB Device: i950, Canon, Up to 12 Mb/sec, 500 mA
USB Device: Hub, , Up to 12 Mb/sec, 500 mA
USB Device: Hub in Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 500 mA
USB Device: Apple Optical USB Mouse, Logitech, Up to 1.5 Mb/sec, 100 mA
USB Device: Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 250 mA
USB Device: SoundSticks, harman/kardon, Up to 12 Mb/sec, 500 mA
USB Device: Studio Display, , Up to 1.5 Mb/sec, 500 mA
FireWire Device: iSight, Apple Computer, Inc., Up to 400 Mb/sec
FireWire Device: ZIP1394A, Iomega Corporation, Up to 400 Mb/sec
FireWire Device: unknown_device, unknown_value, Up to 400 Mb/sec

"Ahhhhhhhhhhhhhhhh"
     
   
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