Re: Abnormal behaviour towards "INIT" interrupt management

From: Francois Wellenreiter <Francois.Wellenreiter_at_Ext.Bull.Net>
Date: 2004-04-01 16:26:59
> 
>>All the processors call the "ia64_monarch_init_handler",
>>the result is that the same trace appears many times (1 per CPU in fact)
>>and a kernel oops occurs (I think it is due to a concurrent access
>>to the same stack without any lock mechanism).
> 
> 
> What kind of machine is this?  

I've done my tests first on Tiger4 (with a SAL version 3.00)
and after on a Bull NOvaScale 5160.
These tests went to the same results...

> Linux registers different OS_INIT
> procedures for the monarch and non-monarch processors, so it
> sounds like a SAL bug if more than one CPU calls
> ia64_monarch_init_handler().

That's what I fear.



		Francois WELLENREITER

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Received on Thu Apr 1 01:26:03 2004

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