System Failure

Here's a first (which is pretty impressive for two+ years in):

System Failure: cpu=0; code=0000001 (Corrupt stack)
Latest crash info for cpi 0:
   Exception stat (sv=0x2ABBCC80)
      PC=0x000940A0; MSR=0x00001030; DAR=0x175AFFF4; DSISR=0x42000000; LR=0x00093F8C; R1=0x175AFEE0; XCP=0x00000098 (System Failure)
      Backtrace:

         backtrace terminated - frame not mapped or invalid: 0x175AFEE0

Proceeding back via exception chain:
   Exception state (sv=0x2ABBCC80)
     PC=0x001D9FCC; MSR=0x00009030; DAR=0x175AFFF4; DSISR=0x42000000; LR=0x001D9FFC; R1=0x175B00000; XCP=0x0000000C (0x300 - Data access)
     Backtrace:
        0x52415449 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 
        0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 
        0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 
        0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 0x001D9FFC 
     backtrace continues...
   Exception state (sv=0x2AD90280)
     PC=0x9002E76C; MSR=0x0000D030; DAR=0x017B9000; DSISR=0x42000000; LR=0x90025290; R1=0xBFFFF7B00; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 7.9.0:
Wed Mar 30 20:11:17 PST 2005; root:xnu/xnu-517.12.7.obj~1/RELEASE_PPC


Memory access exception (1,0,0)
ethernet MAC Address: 00:00:00:00:00:00
ip address: 0.0.0.0

Waiting for remote debugger connection

For now, I shall just assume it's down to cosmic rays.