Unresolved kernel trap(cpu 0): 0x400 - Inst access DAR=0x00000000EC5BF000 PC=0x0000000055534244
Latest crash info for cpu 0:
   Exception state (sv=0x1C9FD780)
      PC=0x55534244; MSR=0x40009030; DAR=0xEC5BF000; DSISR=0x40000000; LR=0x55534246; R1=0x0A3EB820; XCP=0x00000010 (0x400 - Inst access)
      Backtrace:
0x1CE8AE50 0x004DA03C 0x1CE8A5F0 0x002BF014 0x002BEDDC 0x002BF844 
         0x002BB008 0x002BAE70 0x0047A7EC 0x00687D64 0x00687860 0x002BF014 0x002BEDDC 0x002BF844 
         0x002BFEB0 0x000A9814 
      Kernel loadable modules in backtrace (with dependencies):
         com.apple.iokit.IOUSBHIDDriver(2.2.5)@0x1ce89000
            dependency: com.apple.iokit.IOUSBFamily(2.2.6)@0x46a000
            dependency: com.apple.iokit.IOHIDFamily(1.4.4)@0x4d7000
         com.apple.driver.AppleUSBComposite(2.2.6)@0x686000
            dependency: com.apple.iokit.IOUSBFamily(2.2.6)@0x46a000
         com.apple.iokit.IOUSBFamily(2.2.6)@0x46a000
         com.apple.iokit.IOHIDFamily(1.4.4)@0x4d7000
Proceeding back via exception chain:
   Exception state (sv=0x1C9FD780)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x1CEC0500)
      PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0004): 0x400 - Inst access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x1C9FD780)
      PC=0x55534244; MSR=0x40009030; DAR=0xEC5BF000; DSISR=0x40000000; LR=0x55534246; R1=0x0A3EB820; XCP=0x00000010 (0x400 - Inst access)
      Backtrace:
0x1CE8AE50 0x004DA03C 0x1CE8A5F0 0x002BF014 0x002BEDDC 0x002BF844 
         0x002BB008 0x002BAE70 0x0047A7EC 0x00687D64 0x00687860 0x002BF014 0x002BEDDC 0x002BF844 
         0x002BFEB0 0x000A9814 
      Kernel loadable modules in backtrace (with dependencies):
         com.apple.iokit.IOUSBHIDDriver(2.2.5)@0x1ce89000
            dependency: com.apple.iokit.IOUSBFamily(2.2.6)@0x46a000
            dependency: com.apple.iokit.IOHIDFamily(1.4.4)@0x4d7000
         com.apple.driver.AppleUSBComposite(2.2.6)@0x686000
            dep`Model: PowerMac3,1, BootROM 4.2.8f1, 1 processors, PowerPC G4  (2.9), 400 MHz, 384 MB
Graphics: ATI Radeon 8500, ATY,R200, AGP, 64 MB
Memory Module: DIMM0/J21, 64 MB, SDRAM, PC100-222S
Memory Module: DIMM1/J22, 64 MB, SDRAM, PC100-222S
Memory Module: DIMM2/J23, 128 MB, SDRAM, PC133-333
Memory Module: DIMM3/J24, 128 MB, SDRAM, PC133-333
AirPort: AirPort Extreme, 404.2 (3.90.34.0.p16)
Network Service: AirPort, AirPort, en1
PCI Card: usb, usb, SLOT-B
PCI Card: usb, usb, SLOT-B
PCI Card: pci9005,1f, , SLOT-B
PCI Card: PDC20269, ata, SLOT-C
PCI Card: pci144f,7051, sppci_othernetwork, SLOT-D
Parallel ATA Device: Maxtor 6E030L0, 28.64 GB
Parallel ATA Device: _NEC DVD_RW ND-2500A, 
USB Device: iPod, Apple, Up to 480 Mb/sec, 500 mA
USB Device: USB2.0 Hub Controller, NEC Corporation, Up to 12 Mb/sec, 500 mA
USB Device: USB-PS/2 Optical Mouse, Logitech, Up to 1.5 Mb/sec, 500 mA
USB Device: Hub in Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 500 mA
USB Device: Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 250 mA
USB Device: Attache 2.0, PNY, Up to 12 Mb/sec, 500 mA