Why my kernel-mode driver only run if PC restart











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I write a source code of a Windows 8 x64 Kernel Mode Driver but it only work if PC restart. My driver don't work if PC is shutdown. Why i need to restart my PC without shutdown to run my driver. Here is the code:



KeStallExecutionProcessor PROTO STDCALL :QWORD



.DATA

UniString dw  "","D","o","s","D","e","v","i","c","e","s","","C",":","","l","o","g",".","t","x","t",0



Data db 0



SCANCODES db 64 dup (0)

.CODE

DriverEntry proc

Begin:

IN AL,64h           

and al,21h

cmp al,1

jnz L1

IN AL,60h   

ret     

DriverEntry endp





END





x86-64 windows-kernel masm64







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    up vote
    -1
    down vote

    favorite












    I write a source code of a Windows 8 x64 Kernel Mode Driver but it only work if PC restart. My driver don't work if PC is shutdown. Why i need to restart my PC without shutdown to run my driver. Here is the code:



    KeStallExecutionProcessor PROTO STDCALL :QWORD
    

    
.DATA
    
UniString dw  "","D","o","s","D","e","v","i","c","e","s","","C",":","","l","o","g",".","t","x","t",0
    

    
Data db 0
    

    
SCANCODES db 64 dup (0)
    
.CODE
    
DriverEntry proc
    
Begin:
    
IN AL,64h           
    
and al,21h
    
cmp al,1
    
jnz L1
    
IN AL,60h   
    
ret     
    
DriverEntry endp
    

    

    
END





    x86-64 windows-kernel masm64







    share|improve this question
























      up vote
      -1
      down vote

      favorite









      up vote
      -1
      down vote

      favorite











      I write a source code of a Windows 8 x64 Kernel Mode Driver but it only work if PC restart. My driver don't work if PC is shutdown. Why i need to restart my PC without shutdown to run my driver. Here is the code:



      KeStallExecutionProcessor PROTO STDCALL :QWORD
      

      
.DATA
      
UniString dw  "","D","o","s","D","e","v","i","c","e","s","","C",":","","l","o","g",".","t","x","t",0
      

      
Data db 0
      

      
SCANCODES db 64 dup (0)
      
.CODE
      
DriverEntry proc
      
Begin:
      
IN AL,64h           
      
and al,21h
      
cmp al,1
      
jnz L1
      
IN AL,60h   
      
ret     
      
DriverEntry endp
      

      

      
END





      x86-64 windows-kernel masm64







      share|improve this question













      I write a source code of a Windows 8 x64 Kernel Mode Driver but it only work if PC restart. My driver don't work if PC is shutdown. Why i need to restart my PC without shutdown to run my driver. Here is the code:



      KeStallExecutionProcessor PROTO STDCALL :QWORD
      

      
.DATA
      
UniString dw  "","D","o","s","D","e","v","i","c","e","s","","C",":","","l","o","g",".","t","x","t",0
      

      
Data db 0
      

      
SCANCODES db 64 dup (0)
      
.CODE
      
DriverEntry proc
      
Begin:
      
IN AL,64h           
      
and al,21h
      
cmp al,1
      
jnz L1
      
IN AL,60h   
      
ret     
      
DriverEntry endp
      

      

      
END





      x86-64 windows-kernel masm64




      x86-64 windows-kernel masm64






      share|improve this question













      share|improve this question











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      asked 2 days ago









      B. Salvador

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