[uClinux-dev] Hang on first call to sti()

thierry jokyman at sina.com
Sun Mar 2 00:17:53 EST 2003


Hello Ryan 

Do you use 2.0 or 2.4 kernel?
Which file is your first call to sti() in?
>
>> 
>>   I have finally started to make some progress with my Dragonball
>> board.  I now have the dram working and tested, and my kernel boots all
>> the way up to the first call to sti() and then hangs.
>> 
>>   I have a feeling that I am generating an interrupt during my setup
>> that I am not clearing properly before the kernel starts.  Below are my
>> setup brecords.  I'm wondering if someone can see what I am doing wrong.
>> 
>>   I am also wondering what are the minimum hardware requirements for the
>> kernel to run properly.  My brecord setup disables the RTC/Watchdog etc,
>> but I am pretty sure that the OS needs some sort of regular interrupt to
>> keep it going.  I am assuming that it is done with the RTC/GPT causing
>> an interrupt at the jiffies rate or something.  But what exactly are the
>> parameters?
>> 
>>   My board is just a 68EZ328 with 8M dram, no rom or flash.  I have been
>> using the ucsimm build, modified to my needs.
>> 
>> 
>> Thanks,
>> Ryan Hulsker
>
>
>
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Best Regards!				 
        thierry
        jokyman at sina.com
          2003-03-02








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