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Troubleshooting system-level problems

Console panic information

The information written to the console usually contains the current contents of the CPU registers, along with a kernel error message and a trap number that provide valuable information for analyzing the panic. The same display is available through the panic function of the crash(ADM) command run on a postmortem dump. Note that some crashes may not generate a register dump.

The console display when the system panics looks something like the following. The line numbers are included for reference only; they do not appear on the actual display.

  1 PANIC:
  2 cr0 0xFFFFFFEB   cr2  0x00FFFFFF   cr3 0x00002000   tlb  0x00500E80
  3 ss  0x00000038   uesp 0xD0119554   efl 0x00010282   ipl  0x00000000
  4 cs  0x00000158   eip  0xD0070488   err 0x00000000   trap 0x0000000E
  5 eax 0x00FFFFFF   ecx  0x00000000   edx 0x00000305   ebx  0xD00CD780
  6 esp 0xE0000D40   ebp  0xE0000D64   esi 0xD0119554   edi  0x00000038
  7 ds  0x00000160   es   0x00000160   fs  0x00000000   gs   0x00000000

8 PANIC: Kernel mode trap. Type 0x0000000E 9 Trying to dump NNNN Pages. 10 &................................................................... 11 &................................................................... 12 NNNN Pages dumped

13 ** Safe to Power Off ** 14 - or - 15 ** Press Any Key To Reboot **

The value of NNNN depends on the amount of memory configured in your system. Each dot displayed on the screen corresponds to a 64KB block of memory (or 16 4K pages). Therefore, systems with more memory configured will have more dots than systems with less memory.
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SCO OpenServer Release 5.0.7 -- 11 February 2003