How to find what was wrong when kernel is panic

[Hong Hsu <honghsu@bellatlantic.net>]

Hi,

Recently I installed a standalone module on redhat kernel 2.4.18-3. 
After setup device file,
#mknod  /dev/x10/c3   c  120  34

The lsmod shows the module x10_plusb is loaded.  The hwbrowser shows the 
hardware PowerLincUSB is recognized.
I tried to test it:
#echo on > /dev/x10/c3

it locked system with error message:
kernel panic: Aiee, killing interrupt handler!

At this point, I have to reboot the machine.  Where I should start to 
find out what is wrong with the driver, OR module?    

Thanks for your help,
-Hong


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