What this error message does mean?

RTL is astonished to announce out of fake regs                                  
RTL is astonished to announce out of fake regs                                  
RTL is astonished to announce out of fake regs                                  
RTL is astonished to announce out of fake regs                                  
RTL is astonished to announce out of fake regs                                  
RTL is astonished to announce out of fake regs                                  
RTL is astonished to announce out of fake regs                                  
write_chars() 0                                                                 
write_chars() <1>Unable to handle kernel paging request at virtual address 0a302
029                                                                             
current->tss.cr3 = 00000000, %cr3 = 00ac9000                                    
*pde = 00000000                                                                 
Oops: 0000                                                                      
CPU:    0                                                                       
EIP:    0010:[<0a302029>]                                                       
EFLAGS: 00010092                                                                
eax: ffffff10   ebx: 00000092   ecx: 00000000   edx: 0a302029                   
esi: c0a9ca6c   edi: 00000000   ebp: c0a9ca64   esp: c0a9ca44                   
ds: 0018   es: 0018   ss: 0018                                                  
Process  (pid: 0, process nr: 23, stackpage=c0a9d000)                           
Stack: 00000000 00000000 c0109be0 00000000 c0a9ca6c 000f41e8 0000000e c01c2ced  
       000002fd c0108df0 000f41e8 00000000 000002fd 0000000e c01c2ced 000002fd  
       00000000 00000018 c0170018 ffffff00 c018feee 00000010 00000287 c01b449c  
...
[blahblahblah]
...
Code: 0f b6 0c 03 89 4c 24 38 51 68 44 5f 19 c0 e8 26 af 00 00 83               
RTL is astonished to announce out of fake regs                                  
Aiee, killing interrupt handler                                                 
RTL is astonished to announce out of fake regs                                  
Kernel panic: Attempted to kill the idle task!                                  
RTL is astonished to announce out of fake regs                                  
In interrupt handler - not syncing                                              
RTL is astonished to announce out of fake regs                                  
RTL is astonished to announce out of fake regs                                  
RTL is astonished to announce out of fake regs                                  
[crash]


Background info
A 5 ms periodical task every time called [unintentionally]
rtl_printf("write_chars() %d"...); on a 100 MHz 486DX4.

Yes, I can imagine, that this can freeze the host.
I guess rtl_printf lasted more than 5 msec and scheduler had to
do something. But what happens in this case exactly?
I wonder what are the fake regs? 

Gabor
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