Kernel panic please help

Please help me determine what is causing this kernel panic

Tue Nov 13 17:13:24 2012

panic(cpu 5 caller 0xffffff80234b7e75): Kernel trap at 0xffffff802348777c, type 14=page fault, registers:

CR0: 0x0000000080010033, CR2: 0x0000000000000038, CR3: 0x000000001ec0800b, CR4: 0x00000000001606e0

RAX: 0x0000000000000001, RBX: 0x0000000000000010, RCX: 0xffffff803d415000, RDX: 0x0000000000000821

RSP: 0xffffff814be7bd90, RBP: 0xffffff814be7bdb0, RSI: 0x0000000026a7a9f7, RDI: 0xffffff8027d27840

R8: 0xffffff814be7bf00, R9: 0xffffff814be7bef0, R10: 0x00007ff3320005a0, R11: 0x0000000000000001

R12: 0xffffff8027d27840, R13: 0xffffff803a927c60, R14: 0xffffff803a927c60, R15: 0x000000000000e000

RFL: 0x0000000000010202, RIP: 0xffffff802348777c, CS: 0x0000000000000008, SS: 0x0000000000000000

Fault CR2: 0x0000000000000038, Error code: 0x0000000000000000, Fault CPU: 0x5

Backtrace (CPU 5), Frame : Return Address

0xffffff814be7ba30 : 0xffffff802341d626

0xffffff814be7baa0 : 0xffffff80234b7e75

0xffffff814be7bc70 : 0xffffff80234cd3bd

0xffffff814be7bc90 : 0xffffff802348777c

0xffffff814be7bdb0 : 0xffffff802346264b

0xffffff814be7bf40 : 0xffffff80234b8249

0xffffff814be7bfb0 : 0xffffff80234cd2e1

BSD process name corresponding to current thread: hiutil

Mac OS version:

12C2034

Kernel version:

Darwin Kernel Version 12.2.1: Thu Oct 18 12:13:47 PDT 2012; root:xnu-2050.20.9~1/RELEASE_X86_64

Kernel UUID: 3F93B852-872F-3DF0-BCF8-46D48024C422

Kernel slide: 0x0000000023200000

Kernel text base: 0xffffff8023400000

System model name: Macmini6,2 (Mac-F65AE981FFA204ED)

System uptime in nanoseconds: 1356456694106

last loaded kext at 1303019135902: com.apple.driver.AppleUSBCDC 4.1.22 (addr 0xffffff7fa511c000, size 16384)

last unloaded kext at 1248620232984: com.apple.driver.AppleUSBCDC 4.1.22 (addr 0xffffff7fa510c000, size 12288)