On Oct 25, 2009, at 3:05 AM, Vinod Nagare <vinodnag...@yahoo.com> wrote:
I am using a custom build board using MCF5485 and uClinux 2.4.x
ported on it. I am using General Purpose Timer (GPT), which is
generating interrupts to CPU and an ISR is connected to this
interrupt.
When the timer is configured to generate interrupt for period 100ms
the ISR is invoked every 100ms and functions properly.
But when I configurs timer (GPT) to generate interrupt every 10ms
following message is printed on console (connected to minicom) and
the system starves and ISR is not invoked.
Spurious interrupt 4488788
Spurious interrupt 4289755
..........................................
and such messages are printed continously.....
What is the return value from your ISR?
Is the timer used for something else on the system, or is itnotherwise
unused? Check the kernel code / drivers.
These are first guesses.
-
allon
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