[Bug 1706] pc386: spurious interrupt 7

bugzilla-daemon at rtems.org bugzilla-daemon at rtems.org
Sat Oct 2 14:02:43 UTC 2010


--- Comment #6 from Joel Sherrill <joel.sherrill at oarcorp.com> 2010-10-02 09:02:42 CDT ---
My recollection is that the low number number IRQs are not those from the
i8259.  They are CPU exceptions proper.  The external interrupt numbers are
after the CPU generated exception.  

What address does the exception print?  Where in the code is that?  I am
suspicious of an FP instruction in the middle of the clock tick ISR code.

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