while(1) in init_module()

[Rajaram Suryanarayanan <rajaram_linux@xxxxxxxxx>]

Hi,

 

 In the init_module() of a kernel module , I inserted

 

while(1);

 

and then tried to insert the module. When I insmoded the module, the system hung without any keyboard/ mouse responses.

 

Why does this happen ?

Even if the insmod() is busy in the kernel mode with while(1); , it should have been preempted by scheduler to run other processes..right ? ( as kernel 2.6 is preemptive even in kernel mode ).

 

 

Thanks,

Rajaram.

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