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List:       uclinux-dev
Subject:    Re: [uClinux-dev] Problem:Spurious Interrupt on
From:       Greg Ungerer <gerg () snapgear ! com>
Date:       2009-11-25 23:49:28
Message-ID: 4B0DC288.7010406 () snapgear ! com
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Hi Vinod,

Vinod Nagare 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.....
>  
>  
> Please help me to solve this problem as I need an ISR to be executed 
> every 2ms.

Can you show us the code?

Regards
Greg


------------------------------------------------------------------------
Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@snapgear.com
SnapGear Group, McAfee                      PHONE:       +61 7 3435 2888
8 Gardner Close                             FAX:         +61 7 3217 5323
Milton, QLD, 4064, Australia                WEB: http://www.SnapGear.com
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