Mac Kernel Panic

Thu Jan 24 21:29:35 2008
panic(cpu 0 caller 0x000AE584): "Uncorrectable machine check: pc = 0000000000D58A90, msr = 0000000000149030, dsisr = 42000000, dar = 0000000012FBD564\n" "  AsyncSrc = 0000000000000000, CoreFIR = 0000000000000000\n" "     L2FIR = 0000000000000000,  BusFir = 00000000ff000000\n"@/SourceCache/xnu/xnu-1228.0.2/osfmk/ppc/trap.c:975
Latest stack backtrace for cpu 0:
      Backtrace:
         0x0009AD18 0x0009B6BC 0x00029DC4 0x000AE584 0x000AE804 0x000B22F8 
Proceeding back via exception chain:
   Exception state (sv=0x1dd96780)
      PC=0x00D58A90; MSR=0x00149030; DAR=0x12FBD564; DSISR=0x42000000; LR=0x00D58A48; R1=0x1E057C20; XCP=0x00000008 (0x200 - Machine check)
      Backtrace:
0x00D58A48 0x00D58F28 0x00DB5118 0x00DB5A30 0x00D4C188 0x00358D94 
         0x0003F8D8 0x000AFE54 
      Kernel loadable modules in backtrace (with dependencies):
         com.apple.driver.AirPortBrcm43xx(305.25.82)@0xd44000->0xe70fff
            dependency: com.apple.iokit.IO80211Family(200.7)@0xd21000
            dependency: com.apple.iokit.IOPCIFamily(2.4)@0x5cf000
            dependency: com.apple.iokit.IONetworkingFamily(1.6.0)@0xcd7000
   Exception state (sv=0x1dd5b500)
      PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)

BSD process name corresponding to current thread: kernel_task

Mac OS version:
9B18