Jan 26, 2010 Aerospace & Defense

Quit Bugging Me: Revalidated

By Mike Deliman


One day, I get this phone call. "We're working with the system, we see
the calls that update the exception handlers early on – connecting the
clock routines, etc. Then not very much farther on we see the system
has run past where tasking should be running but it's not.

When we
check, we're not getting any clock interrupts, and the clock exception
handler isn't there any more. How could the system do that? Is there
any way the OS could remove it's clock connections?"

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